2026–2030 calendar

Competition calendar

Tech competitions highlighted (⚡), science olympiads, hackathons and more. Filter by age and click an event for details.

⚡ Upcoming tech dates

48h HackathonsMLH GHWOnline hackathon weekNov 6–12, 2026happening now </> ProgrammingBebrasWorld-Wide Bebras Week of computational thinkingNov 9–13, 2026happening now 🔐 CybersecurityCSAWCSAW Cybersecurity Games Global FinalsNov 12–14, 2026in 2 days 48h HackathonsJunctionHackathon (48 h)Nov 13–15, 2026in 3 days

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Bebras Brasil WAICY opens STEM Olympiad

Bebras Brasil

Bebras Brasil OBI NEO Science

Bebras Brasil NEO Science

NEO Science

OMI NEO Science

OMI Technovation opens NEO Science

OMI NEO Science

NEO Science

Scratch Olympiad NEO Science ONC

NEO Science

NEO Science AMO OBMEP

TJR GEMA Scratch Coding Olympiad

Long registration periods appear only on the days they open and close.

This month's competitions

October 2026

20 dates

TJRYouth Robotics Tournament

Regional and state qualifying stages · May 2 – Oct 31, 2026

Multiple Brazilian states (local and virtual stages)⚡ TechnologyRoboticsBrazil

🧒 Kids🧑‍💻 Teens🎓 University

In-person regional competitions and online qualifying challenges.

closedConfirmedOfficial website ↗source

OBAFOGBrazilian Rocket Olympiad (formerly MOBFOG)

Rocket Days (16 groups; invited teams only) · Aug 3 – Dec 17, 2026

Hotel Fazenda Ribeirão, Barra do Piraí/RJAstronomyBrazil

🧒 Kids🧑‍💻 Teens

happening nowConfirmedOfficial website ↗source

SMETASMETA Olympiads

Registrations for SMETA Olympiads · Aug 25 – Oct 25, 2026

Online (smetaolympiads.org)ScienceInternational

🧒 Kids🧑‍💻 Teens

Open registrations for primary and secondary students in Math, Science, English, and Arts.

closedConfirmedOfficial website ↗source

Space AppsNASA International Space Apps Challenge 2026

Participant registration · Aug 26 – Nov 15, 2026

Online⚡ TechnologyHackathonsInternational

🧒 Kids🧑‍💻 Teens🎓 University🌍 Adults

Free and open to all ages; participants under 18 must be registered and accompanied by a parent or guardian

open nowConfirmedOfficial website ↗source

GEMA ScratchInternational Scratch Olympiad (GEMA)

Project submission – Autumn Edition · Sep 1 – Oct 31, 2026

Online (scratcholympiads.com)⚡ TechnologyProgrammingInternational

🧒 Kids🧑‍💻 Teens

Submission of original Scratch projects evaluated on creativity and coding logic.

closedConfirmedOfficial website ↗source

Scratch OlympiadInternational Scratch Creative Programming Olympiad

Online international finals · Sep 15 – Oct 15, 2026

Online⚡ TechnologyProgrammingInternational

🧒 Kids🧑‍💻 Teens🌍 Adults

Final evaluation of shortlisted projects by an international jury.

closedConfirmedOfficial website ↗source

Bebras BrasilBebras Challenge Brazil

Tests held at schools · Oct 1–7, 2026

Schools across Brazil⚡ TechnologyProgrammingBrazil

🧒 Kids🧑‍💻 Teens

From 3rd grade to the final year of high school; schools register students; results from October 26

closedConfirmedOfficial website ↗source

STEM OlympiadInternational STEM Olympiad

Project submission – STEM Maker Challenge · Oct 1 – Dec 21, 2026

Online (stemolympiad.org)ScienceInternational

🧒 Kids🧑‍💻 Teens

Hands-on engineering and Maker creation challenge for Grades 4 to 9 students.

happening nowConfirmedOfficial website ↗source

WAICYWorld Artificial Intelligence Competition for Youth

Submission of AI projects and prototypes · Oct 1 – Nov 29, 2026

Online (waicy.org)⚡ TechnologyArtificial intelligenceInternational

🧒 Kids🧑‍💻 Teens

Categories in Applied AI, LLMs/Prompts, AI Art and Video for students aged 6 to 18.

open nowConfirmedOfficial website ↗source

NEO ScienceInternational NEO Science Olympiad

Qualifying Exams in Chemistry, Biology, Physics and Natural Science · Oct 3–17, 2026

Online (neoscience.org)ScienceInternational

🧒 Kids🧑‍💻 Teens

Chemistry and Biology exams on 03/10; Physics, Math and Natural Science on 17/10.

closedConfirmedOfficial website ↗source

OBIBrazilian Olympiad in Informatics

Phase 3 (National) – Programming category (includes Senior Level) · Oct 3, 2026

Venues designated by the OBI (all over Brazil)⚡ TechnologyProgrammingBrazil

🧒 Kids🧑‍💻 Teens🎓 University

closedConfirmedOfficial website ↗source

OMIMexican Olympiad in Informatics

National stage · Oct 9–12, 2026

Pachuca, Hidalgo, Mexico⚡ TechnologyProgrammingIbero-American

🧒 Kids🧑‍💻 Teens

At Universidad Politécnica Metropolitana de Hidalgo; exams on 10 and 11 Oct 2026

closedConfirmedOfficial website ↗source

TechnovationTechnovation Girls

Team registration · Oct 11 – Mar 11, 2027

Online⚡ TechnologyProgrammingInternational

🧒 Kids🧑‍💻 Teens

Ages 8–18, in mentored teams; girls track and co-ed track

open nowConfirmedOfficial website ↗source

ONCNational Science Olympiad

Phase 2 preliminary results · Oct 15, 2026

Online (resultado.onciencias.org)ScienceBrazil

🧒 Kids🧑‍💻 Teens

closedConfirmedOfficial website ↗source

AMOAmerican Math Olympiad (AMO)

American Math Olympiad Official Contest · Oct 17–19, 2026

Online (and partner schools across Brazil)MathematicsInternational

🧒 Kids🧑‍💻 Teens

Test administration window featuring open-response and multiple-choice questions aligned with US Common Core standards.

closedConfirmedOfficial website ↗source

OBMEPBrazilian Public School Mathematics Olympiad

Phase 2 (Saturday, 14h30, Brasília time) · Oct 17, 2026

Exam centers designated by OBMEPMathematicsBrazil

🧒 Kids🧑‍💻 Teens

closedConfirmedOfficial website ↗source

OBIBrazilian Olympiad in Informatics

OBI2026 final results and medal table · Oct 22, 2026

Online (OBI website)⚡ TechnologyProgrammingBrazil

🧒 Kids🧑‍💻 Teens🎓 University

closedConfirmedOfficial website ↗source

ONCNational Science Olympiad

Final results · Oct 23, 2026

Online (resultado.onciencias.org)ScienceBrazil

🧒 Kids🧑‍💻 Teens

closedConfirmedOfficial website ↗source

OBABrazilian Astronomy and Astronautics Olympiad

Phase 2 – International pre-selection, exam 2 (pre-selected students only) · Oct 30, 2026

At the student's schoolAstronomyBrazil

🧒 Kids🧑‍💻 Teens

closedConfirmedOfficial website ↗source

Coding OlympiadInternational Coding Olympiad

1st Online Qualifying Round (Arena Battles & Codementum) · Oct 31 – Nov 1, 2026

Online (codingolympiad.org)⚡ TechnologyProgrammingInternational

🧒 Kids🧑‍💻 Teens

36-hour window to solve block-based, logic, and coding challenges.

closedConfirmedOfficial website ↗source

Confirmed: official days · Month announced: days to be confirmed · Estimate: the month it is usually held, not announced yet · No forecast: date unknown.
Dates checked on the organizers' official websites and calendars (last review on November 6, 2026). They may change: always confirm on the official website before registering or traveling.