TreeHacks 2026 Stanford, CA, USA The largest collegiate hackathon in the US. $1,030,875 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 2165 participants
DevHacks Tempe, AZ, USA ASU's Premier Hackathon Non-monetary prizes Mar 28 – 30, 2025 150 participants
Cal Hacks 11.0 San Francisco, CA, USA This year's Cal Hacks is co-hosted by Google and Fetch.ai. Together we'll assemble in SF for a weekend of hacking, friendship, and crazy ideas. $188,960 in prizes Oct 19 – 20, 2024 1140 participants
Opportunity Hack 2024 - October - ASU, Tempe, Arizona - ohack.dev Tempe, AZ, USA Opportunity Hack 2024: Tech for Social Impact $10,000 in prizes Oct 12 – 13, 2024 280 participants
sunhacks Tempe, AZ, USA Calling back to our desert era $4,852 in prizes Sep 28 – 29, 2024 420 participants
AI in Education Hackathon by ASU ScaleU Scottsdale, AZ, USA Unleash AI's power to innovate, inspire, and reshape the future of learning. $17,500 in prizes Oct 9 – 11, 2023 82 participants
Opportunity Hack 2023 - ASU Students Only Tempe, AZ, USA Build things that change your community for the better. Nonprofits lack technical skills used to reduce time spent on overhead, your code allows them to scale their reach. $10,000 in prizes Oct 7 – 8, 2023 283 participants