HackDavis 2026 Davis, CA, USA // create for social good_ Non-monetary prizes May 9 – 10, 2026 429 participants
Hack For Humanity 2026 Santa Clara, CA, USA Santa Clara University's 13th Annual Social Good Hackathon $13,000 in prizes Feb 28 – Mar 1, 2026 490 participants
Get Funded @Prompt Driven Development with Toolhouse and 500 Global Hackathon Palo Alto, CA, USA Join PromptDriven.ai and Toolhouse for a single-day hackathon at 500 Global. Build AI agents, master the PDD workflow, and pitch to top VCs Non-monetary prizes Jan 31, 2026 144 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
HackMerced X Merced, CA, USA Build a project, meet peers and mentors, learn new skills at our workshops and win prizes! Join us on Feb 28th to March 2nd for the largest hackathon in the San Joaquin Valley! $500 in prizes Mar 7 – 9, 2025 119 participants
