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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RECF Worlds Technovation

RECF Worlds

ISEF

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

This month's competitions

May 2027

19 dates

RECF WorldsRECF World Championship 2027

World final · Apr 25 – May 7, 2027

St. Louis, United States⚡ TechnologyRoboticsInternational

🧒 Kids🧑‍💻 Teens🎓 University

Final of RECF Robotics, separate from VEX since 2026; the period covers all divisions

in 166 daysConfirmedOfficial website ↗source

FIRSTFIRST Championship 2027

World final (FLL, FTC and FRC) · Apr 28 – May 1, 2027

Houston, United States⚡ TechnologyRoboticsInternational

🧒 Kids🧑‍💻 Teens

Spots earned at regional events of the FIRST CANOPY season

in 169 daysConfirmedOfficial website ↗source

TechnovationTechnovation Girls

Final project submission deadline · May 5, 2027

Online⚡ TechnologyProgrammingInternational

🧒 Kids🧑‍💻 Teens

Deadline at 5 p.m. Pacific time (9 p.m. Brasília time)

in 176 daysConfirmedOfficial website ↗source

ISEFRegeneron International Science and Engineering Fair (ISEF)

Fair (international final) · May 8–14, 2027

Los Angeles, USAScienceInternational

🧑‍💻 Teens

Places are earned at affiliated fairs such as FEBRACE and MOSTRATEC.

in 179 daysConfirmedOfficial website ↗source

This month, no set day · announcements and estimates

ACSLAmerican Computer Science League

ACSL Invitational Finals · usually held in May · 2027

Online⚡ TechnologyProgrammingInternational

🧒 Kids🧑‍💻 Teens

⏳ Dates and registration not announced yet

Four regular-season contests across the school year with an online final for qualifiers in May.

awaiting datesEstimateOfficial website ↗source

APIOAsia-Pacific Informatics Olympiad (APIO)

Asia-Pacific Informatics Olympiad Official Contest · usually held in May · 2027

Online (accredited national contest sites)⚡ TechnologyProgrammingInternational

🧑‍💻 Teens

⏳ Dates and registration not announced yet

One of the most prestigious international algorithmic programming olympiads for high school students.

awaiting datesEstimateOfficial website ↗source

DrCTDrCT – International Computational Thinking Olympiad

DrCT Official Contest (Design Thinking & Computational Thinking) · usually held in May · 2027

Online (SIMCC / Mathletes platform)⚡ TechnologyProgrammingInternational

🧒 Kids🧑‍💻 Teens

⏳ Dates and registration not announced yet

International computational thinking, algorithms, and robotics logic olympiad organized through the Singapore hub.

awaiting datesEstimateOfficial website ↗source

IPOInternational Philosophy Olympiad

Competition · usually held in May · 2027

Venue to be announcedScienceInternational

🧑‍💻 Teens

⏳ Dates and registration not announced yet

Host not yet announced; recent editions took place in mid-May.

awaiting datesEstimateOfficial website ↗source

Imagine CupMicrosoft Imagine Cup

Microsoft Imagine Cup World Finals · usually held in May · 2027

Seattle, Washington, USA⚡ TechnologyProgrammingInternational

🎓 University🌍 Adults

⏳ Dates and registration not announced yet

Global technology innovation competition for university students and tech startup founders.

awaiting datesEstimateOfficial website ↗source

OBABrazilian Astronomy and Astronautics Olympiad

Exam (30th OBA) · usually held in May · 2027

Registered schools (all over Brazil)AstronomyBrazil

🧒 Kids🧑‍💻 Teens

⏳ Dates and registration not announced yet

awaiting datesEstimateOfficial website ↗source

OBAFOGBrazilian Rocket Olympiad (formerly MOBFOG)

Launch deadline · usually held in May · 2027

Registered schools (all over Brazil)AstronomyBrazil

🧒 Kids🧑‍💻 Teens

⏳ Dates and registration not announced yet

awaiting datesEstimateOfficial website ↗source

OBLBrazilian Linguistics Olympiad

Phase 1 (month announced by OBL; day to be announced) · no date forecast yet · 2027

To be announcedLinguisticsBrazil

🧑‍💻 Teens

⏳ Dates and registration not announced yet

awaiting datesNo forecastOfficial website ↗source

OBNBrazilian Brain Bee (OBN)

National Finals of the Brazilian Brain Bee · usually held in May · 2027

Online (and regional hubs)BiologyBrazil

🧑‍💻 Teens

⏳ Dates and registration not announced yet

Neuroscience and neurobiology competition for high school students, qualifying the national delegate for the International Brain Bee.

awaiting datesEstimateOfficial website ↗source

OBRACBrazilian Cartography Olympiad

Stage I – online theory exam · usually held in May · 2027

OnlineCartographyBrazil

🧑‍💻 Teens

⏳ Dates and registration not announced yet

awaiting datesEstimateOfficial website ↗source

ONHBNational Olympiad in Brazilian History

Online phases begin · usually held in May · 2027

OnlineHistoryBrazil

🧑‍💻 Teens

⏳ Dates and registration not announced yet

awaiting datesEstimateOfficial website ↗source

Pwn2WinPwn2Win CTF

Pwn2Win international offensive security competition · usually held in May · 2027

Online⚡ TechnologyCybersecurityInternational

🎓 University🌍 Adults

⏳ Dates and registration not announced yet

World-class Brazilian CTF organized by Epic Leet holding top weight on the global CTFtime ranking.

awaiting datesEstimateOfficial website ↗source

RobofestRobofest – International Autonomous Robotics Competition

Robofest World Championship · usually held in May · 2027

Southfield, Michigan, USA (and online format)⚡ TechnologyRoboticsInternational

🧒 Kids🧑‍💻 Teens🎓 University

⏳ Dates and registration not announced yet

Competition organized by Lawrence Technological University focused exclusively on fully autonomous robots.

awaiting datesEstimateOfficial website ↗source

Scratch MonthScratch Month (Scratch Month & Scratch Day)

Scratch Month – Global creative coding celebration · usually held in May · 2027

Online and community events worldwide⚡ TechnologyProgrammingInternational

🧒 Kids🧑‍💻 Teens🌍 Adults

⏳ Dates and registration not announced yet

Official global initiative by the Scratch Foundation throughout May featuring weekly prompts and creative challenges.

awaiting datesEstimateOfficial website ↗source

VANDAVanda International Science Competition

Vanda International Science Competition Official Contest · usually held in May · 2027

Online (and Mathletes partner schools)ScienceInternational

🧒 Kids🧑‍💻 Teens

⏳ Dates and registration not announced yet

International integrated science olympiad (Physics, Chemistry, and Biology) based on Singapore's renowned science curriculum.

awaiting datesEstimateOfficial website ↗source

No date yet in 2027 (16)

CSCPTCybersecurity Challenge PT

Qualifying competition (date to be defined) · no date forecast yet · 2027

Online⚡ TechnologyCybersecurityIbero-American

🧑‍💻 Teens🎓 University

⏳ Dates and registration not announced yet

Selects Team Portugal for the ECSC; for students aged 14 to 25

awaiting datesNo forecastOfficial website ↗source

Cone SulSouthern Cone Mathematical Olympiad

Competition · no date forecast yet · 2027

Venue to be announcedMathematicsIbero-American

🧑‍💻 Teens

⏳ Dates and registration not announced yet

awaiting datesNo forecastOfficial website ↗source

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

OIABIbero-American Biology Olympiad

Competition · no date forecast yet · 2027

Venue to be announcedBiologyIbero-American

🧑‍💻 Teens

⏳ Dates and registration not announced yet

awaiting datesNo forecastOfficial website ↗source

OIAQIbero-American Chemistry Olympiad

Competition · no date forecast yet · 2027

Venue to be announcedChemistryIbero-American

🧑‍💻 Teens

⏳ Dates and registration not announced yet

awaiting datesNo forecastsource

OIIIbero-American Olympiad in Informatics

Competition · no date forecast yet · 2027

Venue to be announced⚡ TechnologyProgrammingIbero-American

🧑‍💻 Teens

⏳ Dates and registration not announced yet

awaiting datesNo forecast

OIMIbero-American Mathematical Olympiad

Competition · no date forecast yet · 2027

Venue to be announcedMathematicsIbero-American

🧑‍💻 Teens

⏳ Dates and registration not announced yet

awaiting datesNo forecastOfficial website ↗source

OIbFIbero-American Physics Olympiad

Competition · no date forecast yet · 2027

Venue to be announcedPhysicsIbero-American

🧑‍💻 Teens

⏳ Dates and registration not announced yet

awaiting datesNo forecast

OLAALatin American Astronomy and Astronautics Olympiad

Competition · no date forecast yet · 2027

Venue to be announcedAstronomyIbero-American

🧑‍💻 Teens

⏳ Dates and registration not announced yet

awaiting datesNo forecastOfficial website ↗source

OMCPLPMathematical Olympiad of the Community of Portuguese-Speaking Countries

Competition · no date forecast yet · 2027

Venue to be announcedMathematicsIbero-American

🧑‍💻 Teens

⏳ Dates and registration not announced yet

awaiting datesNo forecastOfficial website ↗

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.