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
BeachHacks 8.0 Long Beach, CA, USA CSULB ACM's annual hackathon! $3,990 in prizes Mar 22 – 23, 2025 142 participants
