Tournament Listing 2025-2026
Sort by tournament names or dates by clicking on the down arrow in that column.
| Host Name | Tournament (Count: 295) | Competition Date | Level | Division | State | Contact | |
|---|---|---|---|---|---|---|---|
| Akron Regional Science Olympiad (Eastern) | 2026 East Regional B | 12-10-25 | regional | B | OH | ||
| Akron Regional Science Olympiad (Eastern) | 2026 East Regional C | 12-10-25 | regional | C | OH | ||
| Alabama Science Olympiad | C Division - Auburn University State Tournament | 02-14-26 | regional | C | AL | jag0038@auburn.edu | |
| Alabama Science Olympiad | B Division - UofA State Tournament | 02-28-26 | regional | B | AL | Leslie Jones | ljones@eng.ua.edu |
| Alabama Science Olympiad | Elementary SciOly @ University of West AL | 03-04-26 | regional | AA | AL | Chet Nicklas | cnicklas@uwa.edu |
| Alabama Science Olympiad | Elementary SciOly @ Jacksonville State University | 03-07-26 | regional | AA | AL | Natasha Scott | nlscott@jsu.edu |
| Alabama Science Olympiad | Elementary SciOly @ Auburn University | 03-28-26 | regional | AA | AL | Kristen Jackson | jacksk6@auburn.edu |
| Allendale Science Olympiad Invitational | AHS Science Olympiad Invitational | 02-21-26 | invitational | B | MI | Allendale High School | hsscienceolympiad@apsfalcons.net |
| Allendale Science Olympiad Invitational | AHS Science Olympiad Invitational | 02-21-26 | invitational | C | MI | Allendale High School | hsscienceolympiad@apsfalcons.net |
| Arcadia Science Olympiad Invitational | Peacock Invitational | 02-07-26 | invitational | C | CA (N) | Andrew Austin | aaustin@ausd.net |
| Archimedean Science Olympiad | Archimedean Science Olympiad | 12-08-25 | invitational | B | FL | archimedean.invitational@gmail.com | |
| Arizona Science Olympiad | Estrella Mountain Invitational - Div B | 11-22-25 | invitational | B | AZ | Joni Sheesley | jsheesley@liberty25.org |
| Arizona Science Olympiad | Estrella Mountain Invitational - Div C | 11-22-25 | invitational | C | AZ | Joni Sheesley | jsheesley@liberty25.org |
| Arizona Science Olympiad | North Central Regional - Div B | 02-28-26 | regional | B | AZ | Shelli Powell | spowell@ranchosolano.com |
| Arizona Science Olympiad | North Central Regional - Div C | 02-28-26 | regional | C | AZ | Shelli Powell | spowell@ranchosolano.com |
| Arizona Science Olympiad | Southern Regional - Div B | 03-07-26 | regional | B | AZ | Kevin Nieves Pichardo | Kevin.NievesPichardo@tusd1.org |
| Arizona Science Olympiad | Southern Regional - Div C | 03-07-26 | regional | C | AZ | Kevin Nieves Pichardo | Kevin.NievesPichardo@tusd1.org |
| Arizona Science Olympiad | Arizona State Finals - Div B | 04-11-26 | state | B | AZ | direrctor@azscienceolympiad.org | |
| Arizona Science Olympiad | Arizona State Finals - Div C | 04-11-26 | state | C | AZ | Reina Gomez | director@azscienceolympiad.org |
| Arizona Science Olympiad | AZ Sample Tournament - B | 04-12-26 | state | B | AZ | director@azsciolympiad.org | |
| Arkansas Science Olympiad | North Arkansas Regional Tournament | 02-07-26 | regional | B | AR | Steven Summers | steven_summers@asun.edu |
| Arkansas Science Olympiad | North Arkansas Regional Tournament | 02-07-26 | regional | C | AR | Steven Summers | steven_summers@asun.edu |
| Arkansas Science Olympiad | Arkansas State Tournament | 03-07-26 | state | B | AR | Rene Shroat-Lewis | rashroatlew@ualr.edu |
| Arkansas Science Olympiad | Arkansas State Tournament | 03-07-26 | state | C | AR | Rene Shroat-Lewis | rashroatlew@ualr.edu |
| Bay Area Regional Science Olympiad | Bay Area Regional Tournament | 03-14-26 | regional | B | CA (N) | Letta Meyer | barsodirector@gmail.com |
| Bay Area Regional Science Olympiad | Bay Area Regional Tournament | 03-14-26 | regional | C | CA (N) | Letta Meyer | barsodirector@gmail.com |
| Beachwood HS Science Olympiad | Beachwood Invitational | 11-24-25 | invitational | C | OH | Rakhee Banerjee | rbanerjee@beachwoodschools.org |
| Bismarck State College Science Olympiad | Bismarck State College SO Regional 2025 | 03-26-26 | regional | B | ND | ||
| Bismarck State College Science Olympiad | Bismarck State College SO Regional 2026 | 03-26-26 | regional | C | ND | ||
| Black-eyed Susan Science Olympiad | BESSO 1st Chance - in-person | 11-01-25 | invitational | B | MD | BESSO STEM Connections | besso.stemconnections@gmail.com |
| Black-eyed Susan Science Olympiad | BESSO 1st Chance - in-person | 11-01-25 | invitational | C | MD | BESSO STEM Connections | besso.stemconnections@gmail.com |
| Black-eyed Susan Science Olympiad | BESSO 1st Chance - virtual (Mini) | 11-02-25 | invitational | B | MD | BESSO STEM Connections | besso.stemconnections@gmail.com |
| Black-eyed Susan Science Olympiad | BESSO 1st Chance - virtual (mini) | 11-02-25 | invitational | C | MD | BESSO STEM Connections | besso.stemconnections@gmail.com |
| Boyceville Science Olympiad Invitational | Boyceville Satellite Invitational B | 12-06-25 | invitational | B | WI | Andrew Hamm | andyha@boyceville.k12.wi.us |
| Boyceville Science Olympiad Invitational | Boyceville Satellite Invitational C | 12-06-25 | invitational | C | WI | Andrew Hamm | andyha@boyceville.k12.wi.us |
| Brookwood Science Olympiad | BISOT | 01-17-26 | invitational | C | GA | Matthew Meek | matthew.meek@gcpsk12.org |
| Bulldog Invitational | Bulldog Invitational | 12-13-25 | invitational | C | GA | Sarah Kufrovich | skufrovich@forsyth.k12.ga.us |
| Carnegie Mellon Science Olympiad | CMU Science Olympiad Invitational 2026 | 01-24-26 | invitational | C | PA | Arin Bhandari | cmuscioly@gmail.com |
| Central New Mexico Science Olympiad | Central NM Division B | 01-31-26 | regional | B | NM | Erin Garcia | scifair@unm.edu |
| Central New Mexico Science Olympiad | Central New Mexico C | 01-31-26 | regional | C | NM | Erin Garcia | scifair@unm.edu |
| Chaboya Science Olympiad Invitational | Chaboya Satellite Invitational Division B | 02-07-26 | invitational | B | CA (N) | Rekha Chowlur | rchowlur@gmail.com |
| Clarksville Science Olympiad | BESSO Clarksville | 12-20-25 | invitational | B | MD | ||
| Colorado Science Olympiad | Southern Regional B | 03-07-26 | regional | B | CO | Tim Lundt | southcoscio@gmail.com |
| Colorado Science Olympiad | Northern Regional B | 03-07-26 | regional | B | CO | Mando Ramirez | nocoscio@gmail.com |
| Colorado Science Olympiad | Southern Regional C | 03-07-26 | regional | C | CO | Tim Lundt | southcoscio@gmail.com |
| Colorado Science Olympiad | Northern Regional C | 03-07-26 | regional | C | CO | Mando Ramirez | nocoscio@gmail.com |
| Colorado Science Olympiad | Colorado State Tournament B | 04-04-26 | state | B | CO | PikesPeak StateCollege | coscioly@outlook.com |
| Colorado Science Olympiad | Colorado State Tournament C | 04-04-26 | state | C | CO | PikesPeak StateCollege | coscioly@outlook.com |
| Columbia Invitational | Capital Region Invitational 2026 | 01-10-26 | invitational | C | NY | ||
| Coppell High School | Coppell HS Invitationals | 02-09-26 | invitational | C | TX | Manoj Kumar | Mxk2170@g.coppellisd.com |
| Crab SO | 2026 CrabSO (In-person) | 01-24-26 | invitational | B | MD | ||
| Crab SO | 2026 CrabSO (Virtual) | 01-24-26 | invitational | B | MD | ||
| Cumberland Valley Science Olympiad | Eagle Invitational | 02-14-26 | invitational | B | PA | Christopher Irvin | cirvin@cvschools.org |
| CVHS Invitational | GullSO 2025 | 12-13-25 | invitational | C | CA | Garland Dughi | gdughi@gmail.com |
| CWRU Science Olympiad | CWRU Invitational | 02-14-26 | invitational | C | OH | ||
| Delaware Science Olympiad | 2026 Teaching | 02-28-26 | state | C | DE | ||
| Delaware Science Olympiad | Delaware 2026 Div C | 03-07-26 | state | C | DE | ||
| Delaware Science Olympiad | Delaware 2026 Div B | 03-21-26 | state | B | DE | ||
| Delaware Science Olympiad | Delaware 2026 Div A | 04-18-26 | state | A | DE | ||
| Dick Smith Memorial Invitational | Dick Smith Memorial Tournament | 12-01-25 | invitational | C | PA | bgauvin@pascioly.org | |
| District of Columbia | DC State Tournament 2026 | 04-04-26 | state | B | DC | ||
| District of Columbia | DC State Tournament 2026 | 04-04-26 | state | C | DC | ||
| Dodgen-Walton Invitational | Dodgen-Walton In Person 2025 | 11-15-25 | invitational | B | GA | Doug Wolfe | douglas.wolfe@cobbk12.org |
| Dodgen-Walton Satellite | DW Satellite 2025 | 11-15-25 | invitational | B | GA | Doug Wolfe | douglas.wolfe@cobbk12.org |
| Duke University Science Olympiad | DUSO | 01-31-26 | invitational | C | NC | ||
| Dulles Science Olympiad Invitational | Dulles Invitational 2025 | 11-08-25 | invitational | B | TX | Dulles Science Olympiad | dullesscienceolympiad@gmail.com |
| Dulles Science Olympiad Invitational | Dulles Invitational 2025 | 11-08-25 | invitational | C | TX | Dulles Science Olympiad | dullesscienceolympiad@gmail.com |
| Florida Elementary Science Olympiad | Florida's First Coast Science Olympiad | 03-28-26 | invitational | A | FL | Shelley Modaff | shelley@floridascienceolympiad.org |
| Florida Elementary Science Olympiad | Northwest Florida Science Olympiad | 03-28-26 | invitational | A | FL | ||
| Florida Elementary Science Olympiad | Central Florida ESO | 04-18-26 | invitational | A | FL | Amy Trujillo | trujillo@osceolascience.org |
| Florida Elementary Science Olympiad | Southeast Elementary Science Olympiad at FAU | 04-25-26 | invitational | A | FL | Tim Theisen | ttheisen@fau.edu |
| Florida Elementary Science Olympiad | North Central Florida Elementary Science Olympiad | 05-16-26 | invitational | A | FL | Marc Moody | moodyms@frazerschool.org |
| Florida State Science Olympiad | Southern Regional University of Miami | 02-14-26 | regional | B | FL | Anurag Aka | umiamiscioly@gmail.com |
| Florida State Science Olympiad | Southern Regional University of Miami | 02-14-26 | regional | C | FL | Anurag Aka | umiamiscioly@gmail.com |
| Florida State Science Olympiad | Southwest Regional at Caloosa Middle | 02-21-26 | regional | B | FL | ||
| Florida State Science Olympiad | Olympia High School Invitational | 02-21-26 | invitational | C | FL | Samuel Davis | samuel.davis@ocps.net |
| Florida State Science Olympiad | Southwest Regional at Caloosa Middle | 02-21-26 | regional | C | FL | ||
| Florida State Science Olympiad | Eastern Regional at Embry-Riddle Aeronautical University | 02-28-26 | regional | B | FL | bwinnes@volusia.k12.fl.u | |
| Florida State Science Olympiad | Western Regional | 02-28-26 | regional | B | FL | amagrath@hccfl.edu | |
| Florida State Science Olympiad | Southeast Regional | 02-28-26 | regional | B | FL | Tim Theisen | ttheisen@fau.edu |
| Florida State Science Olympiad | Northern Regional at The Frazier School | 02-28-26 | regional | B | FL | ||
| Florida State Science Olympiad | Western Regional | 02-28-26 | regional | C | FL | amagrath@hccfl.edu | |
| Florida State Science Olympiad | Eastern Regional at Embry-Riddle Aeronautical University | 02-28-26 | regional | C | FL | bwinnes@volusia.k12.fl.u | |
| Florida State Science Olympiad | Northern Regional at The Frazier School | 02-28-26 | regional | C | FL | ||
| Florida State Science Olympiad | Southeast Regional at Florida Atlantic University | 02-28-26 | regional | C | FL | Tim Theisen | ttheisen@fau.edu |
| Florida State Science Olympiad | Central Regional | 03-07-26 | regional | B | FL | Andrew HAYES | andrewrhayes920@gmail.com |
| Florida State Science Olympiad | Central Regional | 03-07-26 | regional | C | FL | Andrew HAYES | andrewrhayes920@gmail.com |
| Florida State Science Olympiad | Florida State Science Olympiad (Tentative Date: 04/11/26) | 04-11-26 | state | B | FL | Mustafa Bektas | ufso.eboard@floridascienceolympiad.org |
| Florida State Science Olympiad | Florida State Science Olympiad (Tentative Date: 4/11/26) | 04-11-26 | state | C | FL | Mustafa Bektas | ufso.eboard@floridascienceolympiad.org |
| Fresno County Regional Science Olympiad | 2026 Fresno Regional B | 03-07-26 | regional | B | CA (N) | ||
| Fresno County Regional Science Olympiad | 2026 Fresno Regional C | 03-07-26 | regional | C | CA (N) | ||
| Georgia Science Olympiad | Muscogee County | 02-07-26 | regional | B | GA | ||
| Georgia Science Olympiad | Shorter University | 02-07-26 | regional | B | GA | Clint Helms | chelms@shorter.edu |
| Georgia Science Olympiad | Oglethorpe University | 02-07-26 | regional | B | GA | ||
| Georgia Science Olympiad | UNG - Gainesville C Regional | 02-07-26 | regional | C | GA | Paula Nolibos | Paula.Nolibos@ung.edu |
| Georgia Science Olympiad | University of Georgia | 02-07-26 | regional | C | GA | ||
| Georgia Science Olympiad | Emory University | 02-14-26 | regional | B | GA | ||
| Georgia Science Olympiad | Bulloch County Regional | 02-21-26 | regional | B | GA | ||
| Georgia Science Olympiad | Jackson County GYSTC B Regional | 02-21-26 | regional | B | GA | Jeremy Peacock | jpeacock@jcss.us |
| Georgia Science Olympiad | Berry College Regional | 02-21-26 | regional | C | GA | ||
| Georgia Science Olympiad | Georgia State - Dunwoody C Regional | 02-21-26 | regional | C | GA | Bayard Stringer | cstringer4@gsu.edu |
| Georgia Science Olympiad | Middle Georgia State - C Regional | 02-21-26 | regional | C | GA | Lawrence Camarota | lawrence.camarota@mga.edu |
| Georgia Science Olympiad | Georgia State Atlanta B Regional | 02-28-26 | regional | B | GA | Sumith Doluweera | ddoluweera@gsu.edu |
| Georgia Science Olympiad | Georgia Southern University C Regional | 02-28-26 | regional | C | GA | Michael Huggins | mhuggins@georgiasouthern.edu |
| Georgia Science Olympiad | UNG - Dahlonega C Regional | 02-28-26 | regional | C | GA | Greta Giles | Greta.Giles@ung.edu |
| Georgia SO Scrimmage | 2026 Georgia Scrimmage | 10-11-25 | invitational | B | GA | ||
| Georgia SO Scrimmage | 2026 Georgia Scrimmage | 10-11-25 | invitational | C | GA | ||
| Gopher Science Olympiad | Gopher Invitational | 02-14-26 | invitational | C | MN | Minnesota SO Alum | mnsoalum@umn.edu |
| High Desert Invitational | High Desert Invitational 2023 | 01-03-26 | invitational | B | CA (S) | Raymond Stavers | bellscoach42@charter.net |
| High Desert Invitational | Mini 2026B | 01-03-26 | invitational | B | CA (S) | Raymond Stavers | bellscoach42@charter.net |
| High Desert Invitational | Mini 2026C | 01-03-26 | invitational | C | CA (S) | Raymond Stavers | bellscoach42@charter.net |
| High Desert Invitational | High Desert Invitational 2026 B | 01-31-26 | invitational | B | CA (S) | Raymond Stavers | bellscoach42@charter.net |
| High Desert Invitational | High Desert Invitational 2026 C | 01-31-26 | invitational | C | CA (S) | Raymond Stavers | bellscoach42@charter.net |
| Highlands Virtual Invitational | Highlands Virtual Invitational | 10-04-25 | invitational | B | HI | Travis Osaki | pearlcityscioly@gmail.com |
| Highlands Virtual Invitational | Highlands Virtual Invitational | 10-04-25 | invitational | C | HI | Travis Osaki | pearlcityscioly@gmail.com |
| Horace Greeley Science Olympiad | Horace Greeley Satellite Invitational Division B 2025-2026 | 01-19-26 | invitational | B | NY | HG Invitational Organizers | hgscioly.invitational@gmail.com |
| Hudson Middle School (OH) Science Olympiad | Hudson President's Day Invitational | 02-14-26 | invitational | B | OH | Jordan Renna | hmsscienceolympiad@hudson.k12.oh.us |
| Hylas Science Olympiad | Hylas SO | 12-07-25 | invitational | B | CA (N) | ||
| Hylas Science Olympiad | Hylas SO | 12-07-25 | invitational | C | CA (N) | ||
| Indiana Science Olympiad | Membership | 10-10-25 | state | A | IN | Jeremy Long | JLong@ns.whiting.k12.in.us |
| Indiana Science Olympiad | Manchester University B | 02-07-26 | regional | B | IN | ||
| Indiana Science Olympiad | University of Southern Indiana Div B 2026 Regional | 02-07-26 | regional | B | IN | Allison Grabert | afgrabert@usi.edu |
| Indiana Science Olympiad | Manchester University C | 02-07-26 | regional | C | IN | ||
| Indiana Science Olympiad | University of Southern Indiana Div C 2026 Regional | 02-07-26 | regional | C | IN | Allison Grabert | afgrabert@usi.edu |
| Indiana Science Olympiad | IU Northwest Division B | 02-14-26 | regional | B | IN | Harold Olivey | holivey@iun.edu |
| Indiana Science Olympiad | IU Northwest Division C | 02-14-26 | regional | C | IN | Harold Olivey | holivey@iun.edu |
| Indiana Science Olympiad | Butler 2026 Division B | 02-21-26 | regional | B | IN | Marva Meadows | mmeadows@butler.edu |
| Indiana Science Olympiad | Butler 2026 Division C | 02-21-26 | regional | C | IN | Marva Meadows | mmeadows@butler.edu |
| Indiana Science Olympiad | Valparaiso Regional | 02-28-26 | regional | B | IN | ||
| Indiana Science Olympiad | Ivy Tech Lafayette 2026 Division B | 02-28-26 | regional | B | IN | Soma Mukhopadhyay | smukhopadhyay@ivytech.edu |
| Indiana Science Olympiad | Ivy Tech Lafayette 2026 Division C | 02-28-26 | regional | C | IN | Soma Mukhopadhyay | smukhopadhyay@ivytech.edu |
| Indiana Science Olympiad | Valparaiso Regional | 02-28-26 | regional | C | IN | ||
| Indiana Science Olympiad | State Tournament | 03-28-26 | state | B | IN | Jeremy Gerber | gerberj@mcsin-k12.org |
| Indiana Science Olympiad | State Tournament | 03-28-26 | state | C | IN | Jeremy Gerber | gerberj@mcsin-k12.org |
| Indiana Science Olympiad Invitational | INSO Invitational | 03-07-26 | invitational | B | IN | Erika Glombicki | elglombicki@munsterschools.gov |
| Indiana Science Olympiad Invitational | INSO Invitational | 03-07-26 | invitational | C | IN | Erika Glombicki | elglombicki@munsterschools.gov |
| IS98 Bay Academy | The Bay Academy Invitational (Virtual) | 10-25-25 | invitational | B | NY | Christopher Caputo | ccaputo2@schools.nyc.gov |
| Jenks High School | Jenks High School | 12-06-25 | invitational | B | OK | Amy Tankersley | atankersley@uco.edu |
| Jenks High School | Jenks High School | 12-06-25 | invitational | C | OK | Amy Tankersley | atankersley@uco.edu |
| Jordan Science Olympiad | JSO Invitational - Division B | 02-14-26 | invitational | B | TX | ||
| Jordan Science Olympiad | JSO Invitational - Division C | 02-14-26 | invitational | C | TX | ||
| Kansas Science Olympiad | Pioneer Trail Olathe | 11-08-25 | invitational | B | KS | kmwhite@olatheschools.org | |
| Kansas Science Olympiad | O-town throw down | 11-15-25 | invitational | C | KS | Kristen White | kmwhite@olatheschools.org |
| Kansas Science Olympiad | Mill Valley HS Invitational-Schrodingers | 12-06-25 | invitational | C | KS | Chad Brown | cbrown@usd232.org |
| Kansas Science Olympiad | Mill Creek MS | 01-17-26 | invitational | B | KS | Laurie Heisel | LHeisel@usd232.org |
| Kansas Science Olympiad | Wilbur Invitational | 01-24-26 | invitational | B | KS | Tim Elsen | telsen@usd259.net |
| Kansas Science Olympiad | Hays Division B Regional | 01-31-26 | regional | B | KS | s_bhoumik@fhsu.edu | |
| Kansas Science Olympiad | Hays Division C Regional | 01-31-26 | regional | C | KS | s_bhoumik@fhsu.edu | |
| Kansas Science Olympiad | Heights Div C Invitational | 01-31-26 | invitational | C | KS | Heather Kincaid | hkincaid@usd259.net |
| Kansas Science Olympiad | Wichita Division B Regional | 02-21-26 | regional | B | KS | Andrea Friend | frienda@usd385.org |
| Kansas Science Olympiad | Andover Regional | 02-21-26 | invitational | B | KS | Amy Rech | Recha@usd385.org |
| Kansas Science Olympiad | Andover Regional | 02-21-26 | invitational | C | KS | Amy Rech | Recha@usd385.org |
| Kansas Science Olympiad | Wichita Division C Regional | 02-21-26 | regional | C | KS | Amy Rech | Recha@usd385.org |
| Kansas Science Olympiad | Northeast KS Division B Regional | 02-28-26 | regional | B | KS | ||
| Kansas Science Olympiad | Northeast KS Division C Regional | 02-28-26 | regional | C | KS | Barbie Grado | |
| Kansas Science Olympiad | Kansas Science Olympiad Division B | 04-04-26 | state | B | KS | Susan McCoy | Susan.McCoy@wichita.edu |
| Kansas Science Olympiad | Kansas Science Olympiad Division C | 04-04-26 | state | C | KS | Susan McCoy | susan.mccoy@wichita.edu |
| Kentucky Science Olympiad | 2026 Lexington Regional B | 03-07-26 | regional | B | KY (E) | ||
| Kentucky Science Olympiad | 2026 Lexington Regional C | 03-07-26 | regional | C | KY (E) | ||
| Kentucky Science Olympiad | 2026 Louisville Regional B | 03-21-26 | regional | B | KY (E) | ||
| Kentucky Science Olympiad | 2026 Louisville Regional C | 03-21-26 | regional | C | KY (E) | ||
| Kentucky Science Olympiad | 2026 Madisonville Regional B | 03-28-26 | regional | B | KY (E) | ||
| Kentucky Science Olympiad | 2026 Madisonville Regional C | 03-28-26 | regional | C | KY (E) | ||
| Kentucky Science Olympiad | 2026 State Tournament B | 04-18-26 | state | B | KY (E) | ||
| Kentucky Science Olympiad | 2026 State Tournament C | 04-18-26 | state | C | KY (E) | ||
| LASA Science Olympiad | LASSO Satellite Invitational Div. B | 10-19-25 | invitational | B | TX | Monica Cong | lasa.scioly@gmail.com |
| LASA Science Olympiad | LASSO Satellite Invitational Div. C | 10-19-25 | invitational | C | TX | Monica Cong | lasa.scioly@gmail.com |
| Louisiana Science Olympiad | Region 3 Invitational Div B | 01-24-26 | invitational | B | LA | ||
| Louisiana Science Olympiad | Region 1 Invitational | 01-24-26 | invitational | B | LA | ||
| Louisiana Science Olympiad | Region 1 Invitational | 01-24-26 | invitational | C | LA | ||
| Louisiana Science Olympiad | Region 3 Invitational Div C | 01-24-26 | invitational | C | LA | ||
| Louisiana Science Olympiad | State Finals | 03-21-26 | state | B | LA | Theodore Chiasson | theodore.chiasson@lcuniversity.edu |
| Louisiana Science Olympiad | State Finals | 03-21-26 | state | C | LA | Theodore Chiasson | theodore.chiasson@lcuniversity.edu |
| Maryland Division A | DivA @ Clarksville | 05-02-26 | regional | AA | MD | ||
| Maryland Division A | Div A @ The John Carroll School | 05-30-26 | regional | AA | MD | ||
| Maryland Science Olympiad | MSO Regional Div C-01 (Western Region) | 02-21-26 | regional | C | MD | woland69@gmail.com | |
| Maryland Science Olympiad | MSO Regional Div B East/West (Richard Montgomery HS) | 02-28-26 | regional | B | MD | Lissa Vincent | elisabeth_a_vincent@mcpsmd.org |
| Maryland Science Olympiad | MSO Regional Div C-03 (Western HS) | 02-28-26 | regional | C | MD | ||
| Maryland Science Olympiad | MSO Regional Div B Baltimore (Morgan State) | 03-07-26 | regional | B | MD | Kate McGuire | kate_m_mcguire@ymail.com |
| Maryland Science Olympiad | MSO Regional Div C-02 (Central Region) | 03-14-26 | regional | C | MD | BINDU ABRAHAM | abraham@umbc.edu |
| Maryland Science Olympiad | State Tournament MD, Div B | 04-11-26 | state | B | MD | test1 test1 | msoatjhu@gmail.com |
| Maryland Science Olympiad | State Tournament MD, Div C | 04-18-26 | state | C | MD | Jay Farmer | jay_farmer@hcpss.org |
| Mason Science Olympiad | Mason Satellite Invitational B 25-26 | 11-15-25 | invitational | B | OH | Mason Invite | masoninvitiational@gmail.com |
| Mason Science Olympiad | Mason Satellite Invitational C 25-26 | 11-15-25 | invitational | C | OH | Mason Invite | masoninvitiational@gmail.com |
| Massachusetts State Science Olympiad | Masachusetts Middle School State Science Olympiad | 03-07-26 | state | B | MA | Brian Niece | bniece@assumption.edu |
| Massachusetts State Science Olympiad | Massachusetts High School State Science Olympiad | 03-07-26 | state | C | MA | Martha Moore | moore944@gmail.com |
| Mentor High Science Olympiad | Mentor High Invitational | 01-31-26 | invitational | B | OH | Mickey Pugh | Mentorinvitational@gmail.com |
| Mentor High Science Olympiad | Mentor High Invitational | 01-31-26 | invitational | C | OH | Mickey Pugh | Mentorinvitational@gmail.com |
| MHS and WWMS Science Olympiad | Mustang Invitational | 11-08-25 | invitational | B | IN | Erika Glombicki | elglombicki@munsterschools.gov |
| MHS and WWMS Science Olympiad | Mustang Invitational | 11-08-25 | invitational | C | IN | Erika Glombicki | elglombicki@munsterschools.gov |
| Michigan Science Olympiad - Battle of the States | Battle of the States B | 12-02-25 | invitational | B | MI | Benjamin Brophy | ben@miscioly.org |
| Michigan Science Olympiad - Battle of the States | Battle of the States C | 12-02-25 | invitational | C | MI | Benjamin Brophy | ben@miscioly.org |
| Monta Vista Science Olympiad | Monta Vista Science Olympiad (Div. B) | 11-14-25 | invitational | B | CA (N) | Monta Vista Science Olympiad | montavistascioly@gmail.com |
| Monta Vista Science Olympiad | Monta Vista Science Olympiad (Div. C) | 11-14-25 | invitational | C | CA (N) | Monta Vista Science Olympiad | montavistascioly@gmail.com |
| Montana Science Olympiad | Varsity MTSO Division B | 02-19-26 | state | B | MT | Science Math Resource Center | mtscioly@montana.edu |
| Montana Science Olympiad | Junior Varsity MTSO Division B | 02-19-26 | state | B | MT | ||
| Montana Science Olympiad | Junior Varsity MTSO Division C | 02-19-26 | state | C | MT | ||
| Montana Science Olympiad | Varsity MTSO Division C | 02-19-26 | state | C | MT | Science Math Resource Center | mtscioly@montana.edu |
| Mount Vernon Middle and High School | Mount Vernon Middle School Satellite Invitational | 02-21-26 | invitational | B | IA | Rob Hanson | rhanson@mvcsd.org |
| Mount Vernon Middle and High School | Mount Vernon High School Satellite Invitational | 02-21-26 | invitational | C | IA | Rob Hanson | rhanson@mvcsd.org |
| Mountain House High School | MoHo SO Virtual | 02-01-26 | invitational | C | CA (N) | lsavage@lammersvilleusd.net; hbal@lammersvilleusd.net | |
| Nebraska Science Olympiad | NE Science Olympiad STATE Tournament | 04-18-26 | state | C | NE | Deanna Johansen | deannajohansen@unomaha.edu |
| Nevada Science Olympiad | Nevada State Division A - 2026 | 03-28-26 | state | A | NV | elementarysupport@nevadaso.org | |
| Nevada Science Olympiad | Nevada State Division B - 2026 | 04-11-26 | state | B | NV | support@nevadaso.org | |
| Nevada Science Olympiad | Nevada State Division C - 2026 | 04-11-26 | state | C | NV | support@nevadaso.org | |
| North Pocono Invitational | North Pocono Invitational 2026 | 01-31-26 | invitational | C | PA | scioly@npd.org | |
| Northview Invitational | Northview Division C | 12-06-25 | invitational | C | OH | Andy Roth | snvscioly@gmail.com |
| Northwestern Science Olympiad | Northwestern Science Olympiad | 02-21-26 | invitational | C | IL | Northwestern SciOly | scienceolympiad@u.northwestern.edu |
| NWAR Science Olympiad | NWACC Regional Tournament | 01-31-26 | regional | B | AR | ||
| NWAR Science Olympiad | NWACC Regional Tournament | 01-31-26 | regional | C | AR | Capitola Phillips | sciencegranny57@gmail.com |
| Oak Valley Invitational | Oak Valley Invitational 2026 | 01-10-26 | invitational | B | CA (S) | Srinivasan Rajagopalan | oakvalleyinvitational@gmail.com |
| Ohio Science Olympiad | 2026 OHSO State Tournament | 04-18-26 | state | B | OH | ||
| Ohio Science Olympiad | 2026 OHSO State Tournament | 04-18-26 | state | C | OH | ||
| Oklahoma Science Olympiad | OKSciOly East Division B Tournament | 02-07-26 | regional | B | OK | Amy Tankersley | atankersley@uco.edu |
| Oklahoma Science Olympiad | OKSciOly East Division C Tournament | 02-07-26 | regional | C | OK | Bob Melton | bmelton6@uco.edu |
| Oklahoma Science Olympiad | OKSciOly West Division B Regional | 03-07-26 | regional | B | OK | David Martyn | david.martyn@swosu.edu |
| Oklahoma Science Olympiad | OKSciOly West Division C Regional | 03-07-26 | regional | C | OK | David Martyn | david.martyn@swosu.edu |
| Oklahoma Science Olympiad | OKSciOly State Tournament | 04-11-26 | state | B | OK | Bob Melton | bmelton6@uco.edu |
| Oklahoma Science Olympiad | OKSciOly State Tournament | 04-11-26 | state | C | OK | Amy Tankersley | atankersley@uco.edu |
| Oklahoma State University | OSU Invitational | 11-01-25 | invitational | B | OK | Amy Tankersley | atankersley@uco.edu |
| Oklahoma State University | OSU Invitational | 11-01-25 | invitational | C | OK | Amy Tankersley | atankersley@uco.edu |
| Pennsylvania Science Olympiad | Northeast Regional Tournament B | 03-11-26 | regional | B | PA | Tim Sichler | tsichler@pascioly.org |
| Pennsylvania Science Olympiad | Northeast Regional Tournament C | 03-11-26 | regional | C | PA | Tim Sichler | tsichler@pascioly.org |
| Pennsylvania Science Olympiad | Southeast Regional Tournament B | 03-13-26 | regional | B | PA | ||
| Pennsylvania Science Olympiad | Southeast Regional Tournament C | 03-13-26 | regional | C | PA | ||
| Pennsylvania Science Olympiad | Central East Regional Tournament B | 03-19-26 | regional | B | PA | ||
| Pennsylvania Science Olympiad | Central East Regional Tournament C | 03-19-26 | regional | C | PA | ||
| Pennsylvania Science Olympiad | Southwestern Regional Tournament B | 03-27-26 | regional | B | PA | Steven Brooks | sbrooks@pascioly.org |
| Pennsylvania Science Olympiad | Southwestern Regional Tournament C | 03-27-26 | regional | C | PA | Steven Brooks | sbrooks@pascioly.org |
| Pennsylvania Science Olympiad | Central Regional Tournament B | 03-28-26 | regional | B | PA | ||
| Pennsylvania Science Olympiad | Northwest Regional Tournament B | 03-28-26 | regional | B | PA | ||
| Pennsylvania Science Olympiad | Northwest Regional Tournament C | 03-28-26 | regional | C | PA | ||
| Pennsylvania Science Olympiad | Central Regional Tournament C | 03-28-26 | regional | C | PA | ||
| Pennsylvania Science Olympiad | PA State Tournament B | 04-25-26 | state | B | PA | ||
| Pennsylvania Science Olympiad | PA State Tournament C | 04-25-26 | state | C | PA | ||
| Phillips Academy Andover Invitational | Phillips Academy Satellite Invitational | 03-28-26 | invitational | C | MA | Ishaan Padmawar | ishaanp12@gmail.com |
| Raymond Park Invitational | Raymond Park Invitational Division B | 12-13-25 | invitational | B | IN | Luke Gobel | LGobel@warren.k12.in.us |
| Raymond Park Invitational | Raymond Park Invitational Division C | 12-13-25 | invitational | C | IN | Luke Gobel | LGobel@warren.k12.in.us |
| Rhode Island Science Olympiad | Rhode Island Science Olympiad B | 04-11-26 | state | B | RI | James Magyar | jmagyar@ric.edu |
| Rhode Island Science Olympiad | Rhode Island Science Olympiad C | 04-11-26 | state | C | RI | James Magyar | jmagyar@ric.edu |
| Rickards Science Olympiad | Rickards Invitational Div. B SATELLITE | 11-01-25 | invitational | B | FL | director@rsoi.org | |
| Rickards Science Olympiad | Rickards Invitational Div. C SATELLITE | 11-01-25 | invitational | C | FL | director@rsoi.org | |
| Rustin Invitational | Rustin B-Div Invitational | 12-10-25 | invitational | B | PA | Jaime Suarez | jsuarez@pascioly.org |
| Sacramento Regional Science Olympiad | Sacramento Regional B | 03-07-26 | regional | B | CA (N) | James Hill | jdhill@sanjuan.edu |
| Sacramento Regional Science Olympiad | Sacramento Regional C | 03-07-26 | regional | C | CA (N) | James Hill | jdhill@sanjuan.edu |
| San Diego Regional SO | San Diego Regional | 02-07-26 | regional | A | CA (S) | Zoom Duong | sdso-director@scilympiad.com |
| San Diego Regional SO | San Diego Regional | 02-07-26 | regional | B | CA (S) | Zoom Duong | sdso-director@scilympiad.com |
| San Diego Regional SO | San Diego Regional | 02-28-26 | regional | C | CA (S) | Zoom Duong | sdso-director@scilympiad.com |
| Santa Clara County Regional Science Olympiad | Santa Clara County Regional Science Olympiad | 03-21-26 | regional | B | CA (N) | Isaac Newton | sccscioly@gmail.com |
| Santa Clara County Regional Science Olympiad | Santa Clara County Regional Science Olympiad | 03-21-26 | regional | C | CA (N) | Isaac Newton | sccscioly@gmail.com |
| Science Olympiad at Cornell | Cornell Invitational 2025-26 Division C | 11-15-25 | invitational | C | NY | ||
| Science Olympiad at Cornell | Cornell Invitational 2025-26 Division B | 02-07-26 | invitational | B | NY | ||
| Science Olympiad at Penn State | SOAPS 2026 Invitational B | 01-17-26 | invitational | B | PA | sciolyatpsu@gmail.com | |
| Science Olympiad at Penn State | SOAPS 2026 Invitational C | 01-17-26 | invitational | C | PA | sciolyatpsu@gmail.com | |
| Science Olympiad at Pitt | 2026 Pitt Invitational | 01-24-26 | invitational | B | PA | pittscioly@gmail.com | |
| Science Olympiad at the University of Pennsylvania | Tenth Penn Invitational | 02-14-26 | invitational | C | PA | pennscienceolympiad@gmail.com | |
| Science Olympiad at the University of Virginia | SOUVA Satellite Invitational Fall 2025 Division B | 11-15-25 | invitational | B | VA | Danny Cao | dvcao2003@gmail.com |
| Science Olympiad at the University of Virginia | SOUVA Satellite Invitational Fall 2025 Division C | 11-15-25 | invitational | C | VA | Danny Cao | dvcao2003@gmail.com |
| Science Olympiad Outreach at UGA | UGA Division C Invitational 2025 | 10-25-25 | invitational | C | GA | ugascienceolympiad@uga.edu | |
| Seven Lakes Invitational | SLHS Invitational 25-26 | 12-06-25 | invitational | C | TX | Julie Irving | julieirving@katyisd.org |
| Silvercreek science Olympiad | Silvercreek Satellite div B | 01-25-26 | invitational | B | CA (N) | ||
| Silvercreek science Olympiad | Silvercreek Satellite div C | 01-25-26 | invitational | C | CA (N) | ||
| Solon Middle School Invitational | 2026 Solon Middle School DivB Invitational | 02-07-26 | invitational | B | OH | Wei Huang | smsso.coaches@gmail.com |
| Springhouse Science Olympiad | Springhouse Invitational 2026 | 01-26-26 | state | B | PA | ||
| Stanislaus County Science Olympiad | Stanislaus County B | 03-14-26 | regional | B | CA (N) | Cheryl Goulart | cgoulart@stancoe.org |
| Stanislaus County Science Olympiad | Stanislaus County C | 03-14-26 | regional | C | CA (N) | Cheryl Goulart | cgoulart@stancoe.org |
| STEMBoost Invitational | STEMBoost Invitational (Satellite) 2026 | 01-17-26 | invitational | B | CA (N) | stemboost.org@gmail.com | |
| Sylvania Science Olympiad Div B | Sylvania Division B 2025 | 12-13-25 | invitational | B | OH | Rick Fuchs | rfuchs@sylvaniaschools.org |
| Sylvania Southview Invitational | Sylvania Southview Div. C | 02-21-26 | invitational | C | OH | Joseph Duffey | jduffey@sylvaniaschools.org |
| Tennessee Science Olympiad | ChSCC Regional Div B | 02-07-26 | regional | B | TN (E) | Ian Beck | ian.beck@chattanoogastate.edu |
| Tennessee Science Olympiad | ChSCC Regional Div C | 02-07-26 | regional | C | TN (E) | Ian Beck | ian.beck@chattanoogastate.edu |
| Tennessee Science Olympiad | MTSU Regional Div B | 02-21-26 | regional | B | TN (E) | Kevin Ragland | kevin.ragland@mtsu.edu |
| Tennessee Science Olympiad | MTSU Regional Div C | 02-21-26 | regional | C | TN (E) | Kevin Ragland | kevin.ragland@mtsu.edu |
| Tennessee Science Olympiad | STCC Regional Tournament | 02-28-26 | regional | B | TN (E) | ||
| Tennessee Science Olympiad | ETSU Regional Div B | 02-28-26 | regional | B | TN (E) | HENSONG@mail.etsu.edu | |
| Tennessee Science Olympiad | ETSU Regional Div C | 02-28-26 | regional | C | TN (E) | HENSONG@mail.etsu.edu | |
| Tennessee Science Olympiad | STCC Regional Tournament | 02-28-26 | regional | C | TN (E) | ||
| Troy Athens High School & Saline High School | Hawk and Hornet | 11-15-25 | invitational | C | MI | ||
| UCR Science Olympiad | 2026 UCR Highlander Invitational - Division B | 01-24-26 | invitational | B | CA (S) | ucrscioly@gmail.com | |
| UCR Science Olympiad | 2026 UCR Highlander Invitational - Division C | 01-24-26 | invitational | C | CA (S) | ucrscioly@gmail.com | |
| UMD Science Olympiad | UMD Division C Invitational | 02-14-26 | invitational | C | MD | Ty Grant | mso.umd@gmail.com |
| Utah Science Olympiad | Utah State Tournament B | 03-28-26 | state | B | UT | ||
| Utah Science Olympiad | Utah State Tournament C | 03-28-26 | state | C | UT | ||
| Washington Science Olympiad | Regional NW (Division C) Seattle | 02-21-26 | regional | C | WA | Sue Murphy | statedirector@washingtonscienceolympiad.com |
| Washington Science Olympiad | Regional NW (Division C) - RAHS | 02-28-26 | regional | C | WA | Scott McComb | scott.mccomb@g.highlineschools.org |
| Washington Science Olympiad | Regional Tournament - Eastern (Division B) | 03-07-26 | regional | B | WA | Sue Murphy | statedirector@washingtonscienceolympiad.com |
| Washington Science Olympiad | Regional Tournament - Southwest (Division B) | 03-07-26 | regional | B | WA | Sue Murphy | statedirector@washingtonscienceolympiad.com |
| Washington Science Olympiad | Regional NW (Division B) Northshore MS | 03-07-26 | regional | B | WA | Sue Murphy | statedirector@washingtonscienceolympiad.com |
| Washington Science Olympiad | Regional Tournament - Eastern (Division C) | 03-07-26 | regional | C | WA | Sue Murphy | statedirector@washingtonscienceolympiad.com |
| Washington Science Olympiad | Regional Tournament - Southwest (Division C) | 03-07-26 | regional | C | WA | Sue Murphy | statedirector@washingtonscienceolympiad.com |
| Washington Science Olympiad | Regional NW (Division B) - RAHS | 03-14-26 | regional | B | WA | Scott McComb | Scott.McComb@highlineschools.org |
| Washington Science Olympiad | State Tournament - Division B | 04-18-26 | state | B | WA | Sue Murphy | statedirector@washingtonscienceolympiad.com |
| Washington Science Olympiad | State Tournament - Division C | 04-18-26 | state | C | WA | Sue Murphy | statedirector@washingtonscienceolympiad.com |
| Whale Science Olympiad Invitational | Whale Science Olympiad Invitational | 10-19-25 | invitational | B | NY | cpointer@vestalcsd.org | |
| Whale Science Olympiad Invitational | Whale Science Olympiad Invitational | 10-19-25 | invitational | C | NY |