TreeHacks 2026 Stanford, CA, USA The largest collegiate hackathon in the US. $606,605 in prizes Feb 14 – 15, 2026 1100 participants
Hack@Brown 2026 Providence, RI, USA Learn and build with us at Brown's annual hackathon! Non-monetary prizes Jan 31 – Feb 1, 2026 217 participants
NexHacks Pittsburgh, PA, USA TURING CITY is an immersive 24-hour hackathon where hackers construct the building blocks of a sentient digital metropolis. $68,500 in prizes Jan 17 – 18, 2026 877 participants
HackPrinceton Fall 2025 Princeton, NJ, USA Collaborate and build out brilliant, innovative, and impactful ideas $17,000 in prizes Nov 7 – 9, 2025 598 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
HealthLink Life Sciences Hackathon San Diego, CA, USA Innovating at the Intersection of Life Sciences and Tech. Non-monetary prizes Oct 3 – 5, 2025 34 participants
48 Hour Build Challenge: Claude Builder Club @ UCSD Online Create an awesome app for a chance to $100 and a feature on Anthropic socials! $100 in prizes Winners announced 28 participants
BigRed//Hacks 2025 Ithaca, NY, USA Build the coolest and most innovative projects, meet amazing people, and win some prizes along the way! Non-monetary prizes Sep 19 – 21, 2025 173 participants
