DiamondHacks 2026 San Diego, CA, USA San Diego's Largest Hackathon $25,710 in prizes Apr 4 – 5, 2026 366 participants
BeachHacks 9.0 Long Beach, CA, USA BeachHacks is CSULB's annual hackathon $600 in prizes Mar 21 – 22, 2026 137 participants
QWER Hacks 2026 Los Angeles, CA, USA UCLA's LGBTQIA+ Hackathon Non-monetary prizes Feb 7 – 8, 2026 51 participants
