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
October 2026
9 dates
SMETASMETA Olympiads
Registrations for SMETA Olympiads · Aug 25 – Oct 25, 2026
STEM OlympiadInternational STEM Olympiad
Project submission – STEM Maker Challenge · Oct 1 – Dec 21, 2026
NEO ScienceInternational NEO Science Olympiad
Qualifying Exams in Chemistry, Biology, Physics and Natural Science · Oct 3–17, 2026
ONCNational Science Olympiad
Phase 2 preliminary results · Oct 15, 2026
AMOAmerican Math Olympiad (AMO)
American Math Olympiad Official Contest · Oct 17–19, 2026
OBMEPBrazilian Public School Mathematics Olympiad
Phase 2 (Saturday, 14h30, Brasília time) · Oct 17, 2026
ONCNational Science Olympiad
Final results · Oct 23, 2026
OBABrazilian Astronomy and Astronautics Olympiad
Phase 2 – International pre-selection, exam 2 (pre-selected students only) · Oct 30, 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.