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

September 2026

4 dates

OBIBrazilian Olympiad in Informatics

Phase 2 final results · Sep 4, 2026

Online (OBI website)⚡ TechnologyProgrammingBrazil

🧒 Kids🧑‍💻 Teens🎓 University

closedConfirmedOfficial website ↗source

OBIBrazilian Olympiad in Informatics

OBI Girls' Competition (CF-OBI) – Exam · Sep 11, 2026

Registered schools (all over Brazil)⚡ TechnologyProgrammingBrazil

🧒 Kids🧑‍💻 Teens🎓 University

closedConfirmedOfficial website ↗source

TFC.BRWomen's Computing Tournament (TFC.BR)

Online contest of the Women's Computing Tournament · Sep 12, 2026

Online⚡ TechnologyProgrammingBrazil

🧒 Kids🧑‍💻 Teens

Online coding contest designed to encourage and empower girls in computer science.

closedConfirmedOfficial website ↗source

OBIBrazilian Olympiad in Informatics

Phase 3 (National) – Introductory category · Sep 26, 2026

Venues designated by the OBI (all over Brazil)⚡ TechnologyProgrammingBrazil

🧒 Kids🧑‍💻 Teens🎓 University

closedConfirmedOfficial 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.