Kiroween 2026 Featured Online Build something wicked and git commit to the darkness. $100,000 in prizes Dec 04, 2026 05:00 PM EST to submit 10849 participants
Battle of the Schools Toronto, Canada Battle of the Schools is a weekend hackathon between the University of Toronto and the University of Waterloo, hosted by UTMIST and WAT.ai. $CAD 4,000 in prizes Sep 12 – 13, 2026 231 participants
RescueHacks Online Build AI that could save a life. Non-monetary prizes Winners announced 155 participants
Toronto Anthropic AI Hackathon Toronto, Canada The frontier of safe and scalable intelligence. Non-monetary prizes Nov 19 – 23, 2025 120 participants