TreeHacks 2026 Stanford, CA, USA The largest collegiate hackathon in the US. $606,605 in prizes Feb 14 – 15, 2026 1098 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 2166 participants
World’s Largest Hackathon presented by Bolt Online Build with AI for a shot at some of the $1M+ in prizes. $1,037,500 in prizes Winners announced 128473 participants
Anthropic x USC Claude Hackathon Online Build with Anthropic's state-of-the-art model Claude! Non-monetary prizes Winners announced 69 participants
LA Hacks 2025 Los Angeles, CA, USA Expand your horizons at LA Hacks 2025! $60,282 in prizes Apr 25 – 27, 2025 584 participants
TreeHacks 2025 Stanford, CA, USA The largest collegiate hackathon in the U.S. $255,600 in prizes Feb 14 – 16, 2025 827 participants
LA Hacks 2024 Los Angeles, CA, USA Welcome to the Grand Adventure of LA Hacks 2024 $47,216 in prizes Apr 19 – 21, 2024 706 participants
TreeHacks 2024 Stanford, CA, USA The largest collegiate hackathon in the U.S. $213,100 in prizes Feb 16 – 18, 2024 1124 participants
IrvineHacks 2024 Irvine, CA, USA Create. Connect. Inspire. $7,480 in prizes Jan 26 – 28, 2024 342 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
HackMIT 2023 Cambridge, MA, USA 1000 hackers, $10k+ prizes, 24 hours. Get ready to hack, build, and innovate at a hackathon like no other. September 16-17, 2023 at MIT. $10,000 in prizes Sep 16 – 17, 2023 1072 participants
