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 2164 participants
SFTW Hackathon @ Berkeley Berkeley, California, USA SFTW Hackathon @ Berkeley $19,000 in prizes Oct 10, 2025 59 participants
MCP and A2A Hackathon - AWS Edition San Francisco, CA, USA Creators Corner invites you to turn bold ideas into action with an exclusive MCP hackathon. Join us to build AI agents that push the limits of LLMs and AI applications! $23,500 in prizes May 2, 2025 155 participants
Hacktech by Caltech 2025 Pasadena, CA, USA Innovate, Implement, Impact Non-monetary prizes Apr 25 – 27, 2025 257 participants
HackPrinceton Spring 2025 Princeton, NJ, USA Collaborate and build out brilliant, innovative, and impactful ideas $1,050 in prizes Mar 28 – 30, 2025 264 participants
