OBFBrazilian Physics Olympiad
Phase 3 fee payment (qualified students) · Oct 9 – Nov 5, 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
Long registration periods appear only on the days they open and close.
This month's competitions
November 2026
2 dates
OBFBrazilian Physics Olympiad
Phase 3 (experimental exam 8h30–11h30, 9th grade to 2nd year of high school only; theory exam 13h30–17h30; local time) · Nov 7, 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.