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

August 2028

14 dates

No competition with a confirmed date this month.

This month, no set day · announcements and estimates

BrackeysBrackeys Game Jam

Brackeys Game Jam – Indie game development marathon · usually held in August · 2028

Online (itch.io)⚡ TechnologyGamesInternational

🧑‍💻 Teens🎓 University🌍 Adults

⏳ Dates and registration not announced yet

One of the largest and most established global game creation jams in the indie community on itch.io.

awaiting datesEstimateOfficial website ↗source

GMTKGMTK Game Jam

GMTK Game Jam – Global game creation marathon · usually held in August · 2028

Online (itch.io)⚡ TechnologyGamesInternational

🧑‍💻 Teens🎓 University🌍 Adults

⏳ Dates and registration not announced yet

One of the world's largest game dev jams spanning 48 to 96 hours around a surprise theme.

awaiting datesEstimateOfficial website ↗source

IESOInternational Earth Science Olympiad

Competition · usually held in August · 2028

Venue to be announcedScienceInternational

🧑‍💻 Teens

⏳ Dates and registration not announced yet

awaiting datesEstimateOfficial website ↗source

IOAAInternational Olympiad on Astronomy and Astrophysics

Competition · usually held in August · 2028

Venue to be announcedAstronomyInternational

🧑‍💻 Teens

⏳ Dates and registration not announced yet

In 2026, between September and October (Hanoi).

awaiting datesEstimateOfficial website ↗source

IOAIInternational Olympiad in Artificial Intelligence

Competition · usually held in August · 2028

Venue to be announced⚡ TechnologyArtificial intelligenceInternational

🧑‍💻 Teens

⏳ Dates and registration not announced yet

In 2027, planned for July.

awaiting datesEstimateOfficial website ↗source

IOIInternational Olympiad in Informatics

Competition · usually held in August · 2028

Japan⚡ TechnologyProgrammingInternational

🧑‍💻 Teens

⏳ Dates and registration not announced yet

Between late July and September, depending on the host.

awaiting datesEstimateOfficial website ↗source

OBFEPBrazilian Public School Physics Olympiad

1st-round exam · usually held in August · 2028

Registered schools (all over Brazil)PhysicsBrazil

🧑‍💻 Teens

⏳ Dates and registration not announced yet

2nd round usually between late October and November.

awaiting datesEstimateOfficial website ↗source

OBGBrazilian Geography Olympiad

Online phases begin · usually held in August · 2028

OnlineGeographyBrazil

🧑‍💻 Teens

⏳ Dates and registration not announced yet

In-person national final usually in late November, in Campinas, SP.

awaiting datesEstimateOfficial website ↗source

OBQBrazilian Chemistry Olympiad

Phase III – national exam · usually held in August · 2028

Venue to be announcedChemistryBrazil

🧑‍💻 Teens

⏳ Dates and registration not announced yet

State qualifiers usually in June.

awaiting datesEstimateOfficial website ↗source

ONCNational Science Olympiad

1st-round exam · usually held in August · 2028

Registered schools (all over Brazil)ScienceBrazil

🧒 Kids🧑‍💻 Teens

⏳ Dates and registration not announced yet

awaiting datesEstimateOfficial website ↗source

SJWPStockholm Junior Water Prize

International final · usually held in August · 2028

Venue to be announcedScienceInternational

🧑‍💻 Teens

⏳ Dates and registration not announced yet

During World Water Week, in Stockholm.

awaiting datesEstimateOfficial website ↗source

TM²Girls in Mathematics Tournament (TM²)

Phase 1 Exam of the Girls in Mathematics Tournament · usually held in August · 2028

Registered schools (all over Brazil)MathematicsBrazil

🧑‍💻 Teens

⏳ Dates and registration not announced yet

IMPA and AOBM initiative to promote female participation in olympiad mathematics; qualifier for EGMO and PAGMO.

awaiting datesEstimateOfficial website ↗source

iGeoInternational Geography Olympiad

Competition · usually held in August · 2028

Melbourne, AustraliaGeographyInternational

🧑‍💻 Teens

⏳ Dates and registration not announced yet

In 2028, planned for July (July 3–10).

awaiting datesEstimateOfficial website ↗source

js13kjs13kGames

Web game competition, up to 13 KB (online) · usually held in August · 2028

Online⚡ TechnologyGamesInternational

🧑‍💻 Teens🎓 University🌍 Adults

⏳ Dates and registration not announced yet

Traditionally from August 13 to September 13.

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.