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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RMM

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

This month's competitions

February 2026

3 dates

GENIUSGENIUS Olympiad

Registrations and environmental project submission · Dec 1 – Mar 7, 2026

Online (geniusolympiad.org)ScienceInternational

🧑‍💻 Teens

Categories: Science, Robotics, Business, Art, Creative Writing and Music with an environmental focus.

closedConfirmedOfficial website ↗source

CSOClimateScience Olympiad

Online qualifying round (Qualifiers) · Jan 1 – Jun 10, 2026

Online (climatescience.org/olympiad)ScienceInternational

🧑‍💻 Teens🎓 University

25-minute online quiz on climate science and ecological transition.

closedConfirmedOfficial website ↗source

RMMRomanian Master of Mathematics

Competition · Feb 23–28, 2026

Bucharest, RomaniaMathematicsInternational

🧑‍💻 Teens

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.