AI Hackathon 2026 by LA Hacks Los Angeles, CA, USA AI Hackathon 2026 by LA Hacks - apply now at ai.lahacks.com! $49,500 in prizes Oct 17 – 18, 2026 425 participants
CipherHacks San Diego, CA, USA San Diego's Premier High School Hackathon. $347 in prizes Oct 10 – 11, 2025 34 participants