Inference-Time Compute Hackathon 2026 San Francisco, CA, USA Frontier AI Hackathon $95,000 in prizes Jun 19 – 20, 2026 129 participants
Cal Hacks 12.0 San Francisco, CA, USA This year's Cal Hacks is co-hosted by Claude, Fetch AI, AppLovin, and Amazon's Annapurna Labs! Together we'll assemble in SF for a weekend of hacking, friendship, and crazy ideas. $58,100 in prizes Oct 24 – 26, 2025 2163 participants
TreeHacks 2025 Stanford, CA, USA The largest collegiate hackathon in the U.S. $255,600 in prizes Feb 14 – 16, 2025 827 participants
TreeHacks 2024 Stanford, CA, USA The largest collegiate hackathon in the U.S. $213,100 in prizes Feb 16 – 18, 2024 1123 participants
Cal Hacks 10.0 San Francisco, CA, USA This year's Cal Hacks is co-hosted by MindsDB. Together we'll assemble in SF for a weekend of hacking, friendship, and crazy ideas. $144,650 in prizes Oct 27 – 29, 2023 770 participants
OxfordHack 2022 Oxfordshire, United Kingdom The official Oxford student Hackathon, where over 300 people gather every year to collaborate, innovate, learn and experiment while creating a project from scratch in 24 hours. £7,400 in prizes Nov 12 – 13, 2022 109 participants
Hack the North 2022 Waterloo, Canada Canada's Biggest Hackathon - University of Waterloo $CAD 50,298 in prizes Sep 17 – 18, 2022 827 participants