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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CSAW Hack the North OBOceano closes

Long registration periods appear only on the days they open and close.

This month's competitions

September 2026

12 dates

TJRYouth Robotics Tournament

Regional and state qualifying stages · May 2 – Oct 31, 2026

Multiple Brazilian states (local and virtual stages)⚡ TechnologyRoboticsBrazil

🧒 Kids🧑‍💻 Teens🎓 University

In-person regional competitions and online qualifying challenges.

closedConfirmedOfficial website ↗source

OBOceanoBrazilian Ocean Olympiad

Registrations (open to schools and general public) · Jun 8 – Sep 20, 2026

Online (olimpiada.maredeciencia.eco.br)ScienceBrazil

🧒 Kids🧑‍💻 Teens🎓 University🌍 Adults

Tracks: knowledge exams, socio-environmental projects, and cultural/artistic works.

closedConfirmedOfficial website ↗source

Space AppsNASA International Space Apps Challenge 2026

Participant registration · Aug 26 – Nov 15, 2026

Online⚡ TechnologyHackathonsInternational

🧒 Kids🧑‍💻 Teens🎓 University🌍 Adults

Free and open to all ages; participants under 18 must be registered and accompanied by a parent or guardian

open nowConfirmedOfficial website ↗source

CSOClimateScience Olympiad

Global semifinals and finals · Sep 1 – Oct 31, 2026

OnlineScienceInternational

🧑‍💻 Teens🎓 University

Solving complex case studies on climate mitigation.

closedConfirmedOfficial website ↗source

Hacker CupMeta Hacker Cup

Qualification Round (online, 72 hours) · Sep 4–7, 2026

Online⚡ TechnologyProgrammingInternational

🎓 University🌍 Adults

Competition open globally to programmers from any country.

closedConfirmedOfficial website ↗source

OBIBrazilian Olympiad in Informatics

Phase 2 final results · Sep 4, 2026

Online (OBI website)⚡ TechnologyProgrammingBrazil

🧒 Kids🧑‍💻 Teens🎓 University

closedConfirmedOfficial website ↗source

OBMBrazilian Mathematical Olympiad

Announcement of selected students and participation confirmation (invitees only) · Sep 7 – Oct 2, 2026

Online (form on the OBM website)MathematicsBrazil

🧑‍💻 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

CSAWCSAW Cybersecurity Games & CTF

CSAW CTF Qualification Round · Sep 18–20, 2026

Online⚡ TechnologyCybersecurityInternational

🧑‍💻 Teens🎓 University

48-hour online marathon qualifying teams for regional finals (US, Europe, Asia and Latin America).

closedConfirmedOfficial website ↗source

Hack the NorthHack the North 2026

Hackathon (36 h) · Sep 18–20, 2026

Waterloo, Canada⚡ TechnologyHackathonsInternational

🎓 University

Canada's largest hackathon; aimed at students

closedConfirmedOfficial website ↗source

OBOceanoBrazilian Ocean Olympiad

Knowledge category exams · Sep 24–26, 2026

Registered schools and institutions (across Brazil)ScienceBrazil

🧒 Kids🧑‍💻 Teens🎓 University🌍 Adults

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.