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, 2026tomorrow 48h HackathonsJunctionHackathon (48 h)Nov 13–15, 2026in 2 days

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

This month's competitions

October 2029

11 dates

No competition with a confirmed date this month.

This month, no set day · announcements and estimates

AMOAmerican Math Olympiad (AMO)

American Math Olympiad Official Contest · usually held in October · 2029

Online (and partner schools across Brazil)MathematicsInternational

🧒 Kids🧑‍💻 Teens

⏳ Dates and registration not announced yet

International competition organized by SIMCC in partnership with Southern Illinois University, open from Grade 2 to High School.

awaiting datesEstimateOfficial website ↗source

ECSCEuropean Cybersecurity Challenge

Final (national teams) · usually held in October · 2029

Venue to be announced⚡ TechnologyCybersecurityInternational

🧑‍💻 Teens🎓 University

⏳ Dates and registration not announced yet

National teams from European countries (ages 14 to 25).

awaiting datesEstimateOfficial website ↗source

FGCFIRST Global Challenge

International Robotics Contest of Nations · usually held in October · 2029

Host city changes internationally each year⚡ TechnologyRoboticsInternational

🧑‍💻 Teens

⏳ Dates and registration not announced yet

Olympics-style robotics contest bringing national teams from 190+ countries together to tackle global challenges.

awaiting datesEstimateOfficial website ↗source

GEMA ScratchInternational Scratch Olympiad (GEMA)

International Scratch Olympiad Project Submission · usually held in October · 2029

Online⚡ TechnologyProgrammingInternational

🧒 Kids🧑‍💻 Teens

⏳ Dates and registration not announced yet

Online Scratch contest creating games, animations, and interactive stories with physical medals.

awaiting datesEstimateOfficial website ↗source

HacktoberfestHacktoberfest

Month of open-source contributions · usually held in October · 2029

Online⚡ TechnologyOpen sourceInternational

🧑‍💻 Teens🎓 University🌍 Adults

⏳ Dates and registration not announced yet

Runs throughout October.

awaiting datesEstimateOfficial website ↗source

MOSTRATECInternational Science and Technology Fair (MOSTRATEC)

International science and technology fair · usually held in October · 2029

Venue to be announcedScienceBrazil

🧑‍💻 Teens

⏳ Dates and registration not announced yet

Held at Fenac, in Novo Hamburgo, RS.

awaiting datesEstimateOfficial website ↗source

OBMBrazilian Mathematical Olympiad

OBM exam (single round, levels 1–3) · usually held in October · 2029

Venue to be announcedMathematicsBrazil

🧑‍💻 Teens🎓 University

⏳ Dates and registration not announced yet

Qualifier (Jacob Palis Júnior Competition) between May and June.

awaiting datesEstimateOfficial website ↗source

OIAQIbero-American Chemistry Olympiad

Competition · usually held in October · 2029

Venue to be announcedChemistryIbero-American

🧑‍💻 Teens

⏳ Dates and registration not announced yet

awaiting datesEstimateOfficial website ↗source

PAGMOPan-American Girls' Mathematical Olympiad

Competition · usually held in October · 2029

Venue to be announcedMathematicsIbero-American

🧑‍💻 Teens

⏳ Dates and registration not announced yet

In 2024, it took place in late November.

awaiting datesEstimateOfficial website ↗source

RoadsecRoadsec – Hacker Festival & MegaHack

Annual edition of the Roadsec festival · usually held in October · 2029

São Paulo (SP), Brazil⚡ TechnologyCybersecurityBrazil

🧑‍💻 Teens🎓 University🌍 Adults

⏳ Dates and registration not announced yet

Latin America's largest hacker festival, featuring technical talks, workshops, and the Hackaflag CTF championship.

awaiting datesEstimateOfficial website ↗source

Space AppsNASA International Space Apps Challenge

Hackathon (weekend) · usually held in October · 2029

Online and local sites in many countries⚡ TechnologyHackathonsInternational

🧑‍💻 Teens🎓 University🌍 Adults

⏳ Dates and registration not announced yet

Usually in early October; in 2026 it was held in November.

awaiting datesEstimateOfficial 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.