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

This month's competitions

November 2026

8 dates

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

ONEENational Energy Efficiency Olympiad

Olympic Week and Final Challenge · Nov 3–6, 2026

Brasília/DF (ANEEL and CNI headquarters)ScienceBrazil

🧒 Kids🧑‍💻 Teens

Gathering of the 54 finalist students from all Brazilian states and the Federal District.

closedConfirmedOfficial website ↗source

OBMEP MirimMirim Olympiad – OBMEP (grades 2 to 5)

Phase 2 · Nov 10, 2026

Registered schools (all over Brazil)MathematicsBrazil

🧒 Kids

happening nowConfirmedOfficial website ↗source

TJRYouth Robotics Tournament

National Finals of the Youth Robotics Tournament · Nov 20–22, 2026

São Paulo (SP), Brazil⚡ TechnologyRoboticsBrazil

🧒 Kids🧑‍💻 Teens🎓 University

Meeting of qualifying students and teams across all categories.

in 10 daysConfirmedOfficial website ↗source

MNRBrazilian National Robotics Exhibition

National stage · Nov 23–29, 2026

João Pessoa, PB⚡ TechnologyRoboticsBrazil

🧒 Kids🧑‍💻 Teens🎓 University

Part of the Robótica 2026 event, together with OBR and CBR; free admission

in 13 daysConfirmedOfficial website ↗source

OBRBrazilian Robotics Olympiad

In-person National stage (Practical category) · Nov 23–29, 2026

João Pessoa Convention Center, João Pessoa/PB⚡ TechnologyRoboticsBrazil

🧒 Kids🧑‍💻 Teens

in 13 daysConfirmedOfficial website ↗source

OBABrazilian Astronomy and Astronautics Olympiad

Phase 2 – International pre-selection, exam 3 (pre-selected students only) · Nov 27, 2026

At the student's schoolAstronomyBrazil

🧒 Kids🧑‍💻 Teens

in 17 daysConfirmedOfficial website ↗source

OBSMABrazilian Health and Environment Olympiad

National stage – awards ceremony · Nov 30, 2026

Fiocruz Manguinhos Campus, Rio de Janeiro/RJHealth and environmentBrazil

🧒 Kids🧑‍💻 Teens

in 20 daysConfirmedOfficial 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.