LA Hacks 2026 Los Angeles, CA, USA Come find your spark at LA Hacks 2026! $24,494 in prizes Apr 24 – 26, 2026 976 participants
SanD Hacks 2026 San Diego, CA, USA Innovate. Build. Connect. Non-monetary prizes Feb 1, 2026 90 participants
NASA Space Apps Challenge Mountain View Mountain View, CA, USA BE A PART OF THE LARGEST ANNUAL GLOBAL HACKATHON and SOLVE REAL-WORLD CHALLENGES ON EARTH AND IN SPACE Non-monetary prizes Oct 5 – 6, 2024 114 participants
Bay Hacks Online Hackathon for Middle and High School Students in the Bay Area $47,000 in prizes Winners announced 199 participants
Techstars Startup Weekend - PAI Palooza - GDG Build with AI - Bay Area Mountain View, California, USA AI - Now It's Personal Non-monetary prizes Aug 2 – 4, 2024 70 participants
Rocket Hacks 2024 Online Create apps and websites to further community impact and kickstart potential student ventures. $20,280 in prizes Winners announced 74 participants
Milpitas Hacks Milpitas, CA, USA Create innovative projects for social good while competing for prizes at Milpitas Hacks! Sign up at milpitashacks.com!! $1,610 in prizes May 25, 2024 74 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
BellHacks 24 San Jose, CA, USA Bellarmine College Preparatory's in-person hackathon is finally back. $4,696 in prizes Feb 2 – 3, 2024 79 participants
