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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Imagine Cup closes

Technovation closes

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

This month's competitions

March 2027

10 dates

TechnovationTechnovation Girls

Team registration · Oct 11 – Mar 11, 2027

Online⚡ TechnologyProgrammingInternational

🧒 Kids🧑‍💻 Teens

Ages 8–18, in mentored teams; girls track and co-ed track

open nowConfirmedOfficial website ↗source

IM²CInternational Mathematical Modeling Challenge

Contest window (each team picks 5 consecutive days) · Feb 1 – Apr 26, 2027

Participating schools (teams nominated by each country)MathematicsInternational

🧑‍💻 Teens

in 83 daysConfirmedOfficial website ↗source

This month, no set day · announcements and estimates

APMOAsian Pacific Mathematics Olympiad

Exam (held in each participating country) · usually held in March · 2027

Participating countries (exam held locally)MathematicsInternational

🧑‍💻 Teens

⏳ Dates and registration not announced yet

Brazil is among the participating countries.

awaiting datesEstimateOfficial website ↗source

GSoCGoogle Summer of Code

Participant registration · usually held in March · 2027

Online⚡ TechnologyOpen sourceInternational

🎓 University🌍 Adults

⏳ Dates and registration not announced yet

Ages 18+; for students and open source beginners; paid, mentored project

awaiting datesEstimateOfficial website ↗source

German MathInternational German Math Olympiad

International German Math Olympiad Final Exam · usually held in March · 2027

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 · 2027

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

Reply ChallengeReply Challenges (Code & Cyber Security)

Reply Challenge coding and security marathon · usually held in March · 2027

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 · 2027

Participating towns (exam held locally)MathematicsInternational

🧑‍💻 Teens

⏳ Dates and registration not announced yet

The O level usually takes place in February and the A level in March.

awaiting datesEstimateOfficial website ↗source

USACOUSA Computing Olympiad

US Open – Season championship contest · usually held in March · 2027

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 2027 (CyLab Security Academy)

Online competition · usually held in March · 2027

Online⚡ TechnologyCybersecurityInternational

🧑‍💻 Teens🎓 University🌍 Adults

⏳ Dates and registration not announced yet

Free; run by Carnegie Mellon, now as CyLab Security Academy; main prizes are for US students

awaiting datesEstimateOfficial website ↗source

No date yet in 2027 (7)

EGOIEuropean Girls' Olympiad in Informatics

Competition · no date forecast yet · 2027

Warsaw, Poland⚡ TechnologyProgrammingInternational

🧑‍💻 Teens

Host confirmed; dates 'TBA'. The month varies widely between editions (May to October), so it was not estimated.

awaiting datesMonth announcedOfficial website ↗source

FGCFIRST Global Challenge 2027

World final (robotics olympics) · no date forecast yet · 2027

Madrid, Spain⚡ TechnologyRoboticsInternational

🧑‍💻 Teens

⏳ Dates and registration not announced yet

Dates not yet announced; one national team per country

awaiting datesNo forecastOfficial website ↗source

IESOInternational Earth Science Olympiad

Competition · no date forecast yet · 2027

Venue to be announcedScienceInternational

🧑‍💻 Teens

⏳ Dates and registration not announced yet

awaiting datesNo forecastOfficial website ↗

IJSOInternational Junior Science Olympiad

Competition · no date forecast yet · 2027

Venue to be announcedScienceInternational

🧑‍💻 Teens

⏳ Dates and registration not announced yet

awaiting datesNo forecastOfficial website ↗source

IOAAInternational Olympiad on Astronomy and Astrophysics

Competition · no date forecast yet · 2027

Venue to be announcedAstronomyInternational

🧑‍💻 Teens

⏳ Dates and registration not announced yet

awaiting datesNo forecastOfficial website ↗source

OutreachyOutreachy

Applications for paid internships (May cohort) · no date forecast yet · 2027

Online⚡ TechnologyOpen sourceInternational

🎓 University🌍 Adults

⏳ Dates and registration not announced yet

For people underrepresented in tech, ages 18+; in 2026, applications ran February 6–13

awaiting datesNo forecastOfficial website ↗source

RMMRomanian Master of Mathematics

Competition · no date forecast yet · 2027

Venue to be announcedMathematicsInternational

🧑‍💻 Teens

⏳ Dates and registration not announced yet

awaiting datesNo forecastOfficial 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.