OBAFOGBrazilian Rocket Olympiad (formerly MOBFOG)
Rocket Days (16 groups; invited teams only) · Aug 3 – Dec 17, 2026
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 days48h 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
December 2026
10 dates
ONCNational Science Olympiad
National awards ceremony for medalists · Dec 5, 2026
OBIBrazilian Olympiad in Informatics
Olympic Week (invitees only) · Dec 6–12, 2026
OBMBrazilian Mathematical Olympiad
Score review requests · Dec 7–9, 2026
ONIANational Artificial Intelligence Olympiad
3rd ONIA – Phase 2, stage 2 · Dec 7–13, 2026
OBLBrazilian Linguistics Olympiad
Andrei Zalizniak Tournament – results · Dec 8, 2026
OBFEPBrazilian Public School Physics Olympiad
Final results – 3rd and 4th years (announced by this date) · Dec 11, 2026
OBMBrazilian Mathematical Olympiad
Announcement of award winners · Dec 14, 2026
OBMEPBrazilian Public School Mathematics Olympiad
Announcement of award winners · Dec 15, 2026
FEBRACEBrazilian Science and Engineering Fair (FEBRACE)
FEBRACE 2027 finalists announced (2 p.m. Brasília time) · Dec 18, 2026
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.