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

This month's competitions

May 2026

10 dates

Scratch OlympiadInternational Scratch Creative Programming Olympiad

Registrations and project submission – Selection stage · Mar 1 – Jun 30, 2026

Online (creativeprogramming.org)⚡ TechnologyProgrammingInternational

🧒 Kids🧑‍💻 Teens🌍 Adults

Projects in Scratch and RobboScratch; categories from 7-year-olds to adults.

closedConfirmedOfficial website ↗source

ACSLAmerican Computer Science League

Regular season Contest 4 · Mar 2 – May 17, 2026

Online (HackerRank platform)⚡ TechnologyProgrammingInternational

🧒 Kids🧑‍💻 Teens

closedConfirmedOfficial website ↗source

OBIBrazilian Olympiad in Informatics

Registration – Introductory category · Mar 25 – May 26, 2026

Online (registration by the school)⚡ TechnologyProgrammingBrazil

🧒 Kids🧑‍💻 Teens🎓 University

closedConfirmedOfficial website ↗source

OBIBrazilian Olympiad in Informatics

Registration – Programming category (reopened until 17/06 for Session B) · Mar 25 – Jun 17, 2026

Online (registration by the school)⚡ TechnologyProgrammingBrazil

🧒 Kids🧑‍💻 Teens🎓 University

closedConfirmedOfficial website ↗source

Scratch MonthScratch Month (Scratch Month & Scratch Day)

Scratch Month – Global creative coding celebration · May 1–31, 2026

Online and community events worldwide⚡ TechnologyProgrammingInternational

🧒 Kids🧑‍💻 Teens🌍 Adults

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

closedConfirmedOfficial website ↗source

APIOAsia-Pacific Informatics Olympiad (APIO)

Asia-Pacific Informatics Olympiad Official Contest · May 9–10, 2026

Online (accredited national contest sites)⚡ TechnologyProgrammingInternational

🧑‍💻 Teens

5-hour window to solve complex IOI-style algorithmic problems.

closedConfirmedOfficial website ↗source

EGOIEuropean Girls' Olympiad in Informatics

Competition · May 12–18, 2026

Cesenatico, Italy⚡ TechnologyProgrammingInternational

🧑‍💻 Teens

closedConfirmedOfficial website ↗source

DrCTDrCT – International Computational Thinking Olympiad

DrCT Official Contest (Design Thinking & Computational Thinking) · May 16–17, 2026

Online (SIMCC / Mathletes platform)⚡ TechnologyProgrammingInternational

🧒 Kids🧑‍💻 Teens

Evaluation of logic, algorithms, problem decomposition, and foundational robotics concepts.

closedConfirmedOfficial website ↗source

ACSLAmerican Computer Science League

ACSL Invitational Finals · May 23, 2026

Online⚡ TechnologyProgrammingInternational

🧒 Kids🧑‍💻 Teens

Participation by invitation for the top scorers across the four regular contests.

closedConfirmedOfficial website ↗source

OBIBrazilian Olympiad in Informatics

Phase 1 (Local) – Introductory category · May 27–29, 2026

Registered schools (all over Brazil)⚡ TechnologyProgrammingBrazil

🧒 Kids🧑‍💻 Teens🎓 University

closedConfirmedOfficial 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.