TreeHacks 2026 Stanford, CA, USA The largest collegiate hackathon in the US. $606,605 in prizes Feb 14 – 15, 2026 1097 participants
HackDavis 2025 Davis, CA, USA // create for social good_ Non-monetary prizes Apr 19 – 20, 2025 532 participants
Hack For Humanity 2025 Santa Clara, CA, USA Santa Clara University's 12th Annual Social Good Hackathon $12,620 in prizes Feb 15 – 16, 2025 329 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
HackDavis 2024 Davis, CA, USA // create for social good_ $20,596 in prizes Apr 27 – 28, 2024 597 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
CruzHacks 2024 Santa Cruz, CA, USA CruzHacks brings together a diverse and inclusive group of students and professionals to develop innovative solutions to solve real-world challenges. $37,721 in prizes Jan 19 – 21, 2024 331 participants
Immerse The Bay Stanford, CA, USA Design your own XR app with Bay Area's Only XR-themed Hackathon $17,678 in prizes Nov 10 – 12, 2023 125 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
Hack For Humanity 2023 Santa Clara, CA, USA Santa Clara University's 10th Annual Social Good Hackathon $6,350 in prizes Feb 18 – 19, 2023 277 participants
