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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IOI

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

This month's competitions

September 2027

7 dates

IOIInternational Olympiad in Informatics

Competition · Sep 12–19, 2027

Potsdam, Germany⚡ TechnologyProgrammingInternational

🧑‍💻 Teens

in 306 daysConfirmedOfficial website ↗source

This month, no set day · announcements and estimates

BJCBreakthrough Junior Challenge

Video submission deadline · usually held in September · 2027

OnlineScienceInternational

🧑‍💻 Teens

⏳ Dates and registration not announced yet

For ages 13 to 18; in 2025 and 2026 the deadline was September 15.

awaiting datesEstimateOfficial website ↗source

CSAWCSAW Cybersecurity Games & CTF

CSAW CTF Qualification Round · usually held in September · 2027

Online⚡ TechnologyCybersecurityInternational

🧑‍💻 Teens🎓 University

⏳ Dates and registration not announced yet

Largest student-run cybersecurity competition in the world, organized by the NYU Center for Cybersecurity.

awaiting datesEstimateOfficial website ↗source

CSOClimateScience Olympiad

Global semifinals and finals · usually held in September · 2027

OnlineScienceInternational

🧑‍💻 Teens🎓 University

⏳ Dates and registration not announced yet

Global climate solutions competition for youth aged 12–25 with online qualifying stages.

awaiting datesEstimateOfficial website ↗source

Hack the NorthHack the North

Hackathon (36 h) · usually held in September · 2027

Waterloo, Canada⚡ TechnologyHackathonsInternational

🎓 University

⏳ Dates and registration not announced yet

awaiting datesEstimateOfficial website ↗source

HackMITHackMIT 2027

Hackathon (mid-September) · September 2027 (days to be confirmed)

Cambridge, United States⚡ TechnologyHackathonsInternational

🎓 University

For university students aged 18 or older (2026 rule); selection by application

awaiting datesMonth announcedOfficial website ↗source

Scratch OlympiadInternational Scratch Creative Programming Olympiad

Online international finals · usually held in September · 2027

Online⚡ TechnologyProgrammingInternational

🧒 Kids🧑‍💻 Teens🌍 Adults

⏳ Dates and registration not announced yet

National and consolidated stage in the first semester; online finals and results in the second semester.

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.