Imagine CupMicrosoft Imagine Cup
Startup applications · Nov 2 – Feb 28, 2027
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 days48h 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
December 2026
10 dates
Advent of CyberTryHackMe Advent of Cyber
Daily security and hacking challenges (December 1 to 24) · Dec 1–24, 2026
MLH GHWMLH Global Hack Week: Open Source Week
Online hackathon week (open source) · Dec 4–10, 2026
OBIBrazilian Olympiad in Informatics
Olympic Week (invitees only) · Dec 6–12, 2026
OBMBrazilian Mathematical Olympiad
Score review requests · Dec 7–9, 2026
WROWorld Robot Olympiad (WRO) 2026
International final · Dec 8–10, 2026
Hacker CupMeta Hacker Cup
Meta Hacker Cup World Finals · Dec 12, 2026
OBMBrazilian Mathematical Olympiad
Announcement of award winners · Dec 14, 2026
SWERCICPC Southwestern Europe Regional Contest (SWERC)
Regional contest · Dec 18–20, 2026
This month, no set day · announcements and estimates
AoCAdvent of Code
Daily programming puzzles (from December 1 to mid-month) · December 2026 (days to be confirmed)
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.