BISV Hacks 2026 San Jose, CA, USA Let's build a better world, one hack at a time. $800 in prizes Mar 8, 2026 138 participants
AeroHacks 2026 Dublin, CA, USA AeroHacks is a fast-paced, beginner-friendly hackathon where creativity meets technology. AeroHacks is all about learning, experimenting, and having fun with code!! $8,520 in prizes Mar 6, 2026 27 participants
CruzHacks 2026 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. Non-monetary prizes Jan 16 – 18, 2026 279 participants
East Bay Hackathon San Francisco, CA, USA High school hackathon for devs of all experience levels Non-monetary prizes Jun 6, 2025 44 participants
CruzHacks 2025 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. $500 in prizes Apr 11 – 13, 2025 225 participants
Los Altos Hacks IX Sunnyvale, CA, USA The world's largest high school hackathon Non-monetary prizes Apr 5 – 6, 2025 293 participants
LG Hacks San Jose, CA, USA High School Hackathon In Los Gatos $1,200 in prizes Mar 23, 2025 127 participants
United Hacks V4 Online Demonstrate your talents and work alongside like-minded peers to create and pitch a project for United Hacks V4. $138,000 in prizes Winners announced 352 participants
Plant a Change: Westworld Edition Online Innovate eco-friendly solutions inspired by the future of Westworld Non-monetary prizes Winners announced 48 participants
STEMist Hacks III Online The third edition of a competition hosted by STEMist Education that aims to increase access to computer science and technology. $21,475 in prizes Winners announced 220 participants
MountainHacks 2024 Mountain House, CA, USA A 14-hour hackathon for high-school students of all experience levels, taking place on April 20, 2024, at Mountain House High School! $11,025 in prizes Apr 20, 2024 86 participants