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

October 2026

3 dates

Bebras BrasilBebras Challenge Brazil

Tests held at schools · Oct 1–7, 2026

Schools across Brazil⚡ TechnologyProgrammingBrazil

🧒 Kids🧑‍💻 Teens

From 3rd grade to the final year of high school; schools register students; results from October 26

closedConfirmedOfficial website ↗source

OBIBrazilian Olympiad in Informatics

Phase 3 (National) – Programming category (includes Senior Level) · Oct 3, 2026

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

🧒 Kids🧑‍💻 Teens🎓 University

closedConfirmedOfficial website ↗source

OBIBrazilian Olympiad in Informatics

OBI2026 final results and medal table · Oct 22, 2026

Online (OBI website)⚡ 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.