Tio·Vené

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
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September 2026

›Today
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30
Brackeys
31
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GEMA ScratchCSO
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Scratch Olympiad
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CSAW
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IOAA
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IOAA
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WAICY opensIOAASTEM Olympiad
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IOAA
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IOAANEO Science

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

This month's competitions

September 2026

7 dates

SMETASMETA Olympiads

Registrations for SMETA Olympiads · Aug 25 – Oct 25, 2026

Online (smetaolympiads.org)ScienceInternational
🧒 Kids🧑‍💻 Teens

Open registrations for primary and secondary students in Math, Science, English, and Arts.

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

GEMA ScratchInternational Scratch Olympiad (GEMA)

Project submission – Autumn Edition · Sep 1 – Oct 31, 2026

Online (scratcholympiads.com)⚡ TechnologyProgrammingInternational
🧒 Kids🧑‍💻 Teens

Submission of original Scratch projects evaluated on creativity and coding logic.

closedConfirmedOfficial website ↗source

Scratch OlympiadInternational Scratch Creative Programming Olympiad

Online international finals · Sep 15 – Oct 15, 2026

Online⚡ TechnologyProgrammingInternational
🧒 Kids🧑‍💻 Teens🌍 Adults

Final evaluation of shortlisted projects by an international jury.

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

IOAAInternational Olympiad on Astronomy and Astrophysics

Competition · Sep 25 – Oct 5, 2026

Hanoi, VietnamAstronomyInternational
🧑‍💻 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.