CanguruKangaroo Math Brazil
Registration (done by schools) · Dec 1 – Mar 13, 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
March 2026
5 dates
OBMEPBrazilian Public School Mathematics Olympiad
Registration (done by schools) · Feb 4 – Mar 16, 2026
CanguruKangaroo Math Brazil
Exam (official date 19/03; alternative dates 20 to 25/03) · Mar 19–25, 2026
OBMBrazilian Mathematical Olympiad
Registration – 5th Jacob Palis Júnior Competition (qualifier for the OBM, Levels 1, 2 and 3) · Mar 30 – May 20, 2026
OBMBrazilian Mathematical Olympiad
Registration – 7th Elon Lages Lima Competition (University Level Phase 1) · Mar 30 – May 20, 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.