TreeHacks 2026 Stanford, CA, USA The largest collegiate hackathon in the US. $1,030,875 in prizes Feb 14 – 15, 2026 1097 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 2164 participants
DevFest 2025 New York, NY, USA DevFest is an annual week-long workshop series and hackathon held at Columbia University. $2,200 in prizes Feb 8 – 9, 2025 457 participants
TeenHacks LI 2025 Garden City, NY, USA Build whatever you find excitingly ambitious. $1,145 in prizes Jan 11 – 12, 2025 44 participants
