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

March 2030

11 dates

No competition with a confirmed date this month.

This month, no set day · announcements and estimates

APMOAsian Pacific Mathematics Olympiad

Exam (held in each participating country) · usually held in March · 2030

Venue to be announcedMathematicsInternational

🧑‍💻 Teens

⏳ Dates and registration not announced yet

Brazil is among the participating countries.

awaiting datesEstimateOfficial website ↗source

CanguruKangaroo Math Brazil

Exam · usually held in March · 2030

Registered schools (all over Brazil)MathematicsBrazil

🧒 Kids🧑‍💻 Teens

⏳ Dates and registration not announced yet

awaiting datesEstimateOfficial website ↗source

FEBRACEBrazilian Science and Engineering Fair (FEBRACE)

In-person finalists' fair and awards · usually held in March · 2030

Venue to be announcedScienceBrazil

🧑‍💻 Teens

⏳ Dates and registration not announced yet

Qualifies projects for Regeneron ISEF.

awaiting datesEstimateOfficial website ↗source

GSoCGoogle Summer of Code

Contributor applications · usually held in March · 2030

Online⚡ TechnologyOpen sourceInternational

🎓 University🌍 Adults

⏳ Dates and registration not announced yet

Coding period starts in late May.

awaiting datesEstimateOfficial website ↗source

German MathInternational German Math Olympiad

International German Math Olympiad Final Exam · usually held in March · 2030

OnlineMathematicsInternational

🧒 Kids🧑‍💻 Teens

⏳ Dates and registration not announced yet

Free online math competition testing logical thinking and problem-solving for primary and secondary students.

awaiting datesEstimateOfficial website ↗source

Hi-LinguaHi-Lingua Language Competition

Hi-Lingua Language Competition Finals · usually held in March · 2030

OnlineLinguisticsInternational

🧒 Kids🧑‍💻 Teens

⏳ Dates and registration not announced yet

Global competition evaluating language proficiency, essay writing, and communication in English, German, French, and Spanish.

awaiting datesEstimateOfficial website ↗source

OBBBrazilian Biology Olympiad

1st-round exam · usually held in March · 2030

Registered schools (all over Brazil)BiologyBrazil

🧑‍💻 Teens

⏳ Dates and registration not announced yet

awaiting datesEstimateOfficial website ↗source

Reply ChallengeReply Challenges (Code & Cyber Security)

Reply Challenge coding and security marathon · usually held in March · 2030

Online⚡ TechnologyProgrammingInternational

🧑‍💻 Teens🎓 University🌍 Adults

⏳ Dates and registration not announced yet

Team-based online contest with Teen (14–19) and Standard divisions, combining algorithms and digital security.

awaiting datesEstimateOfficial website ↗source

ToTTournament of Towns

Spring round (A level) · usually held in March · 2030

Participating towns (exam held locally)MathematicsInternational

🧑‍💻 Teens

⏳ Dates and registration not announced yet

Fall round in October.

awaiting datesEstimateOfficial website ↗source

USACOUSA Computing Olympiad

US Open – Season championship contest · usually held in March · 2030

Online⚡ TechnologyProgrammingInternational

🧒 Kids🧑‍💻 Teens

⏳ Dates and registration not announced yet

Season with four online contests (December, January, February, and the US Open in March) open to students worldwide.

awaiting datesEstimateOfficial website ↗source

picoCTFpicoCTF

Competition (online) · usually held in March · 2030

Online⚡ TechnologyCybersecurityInternational

🧑‍💻 Teens🎓 University

⏳ Dates and registration not announced yet

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.