DataHacks 2026 San Diego, CA, USA DS3's Annual Data Hackathon $31,793 in prizes Apr 18 – 19, 2026 355 participants
DiamondHacks 2026 San Diego, CA, USA San Diego's Largest Hackathon $25,710 in prizes Apr 4 – 5, 2026 366 participants
Hackonomics 2026 Online The official Hackonomics™ 2026 Hackathon. An experience to help educate and grow insight into Computer Science and Economics. Non-monetary prizes Winners announced 1468 participants
HackMerced XI Merced, CA, USA Build a project, meet peers and mentors, learn new skills at our workshops and win prizes! Join us on March 6th to March 8th for the largest hackathon in the San Joaquin Valley! Non-monetary prizes Mar 5 – 8, 2026 115 participants
