Banana Hacks Online Build apps, games, and tools that solve real problems in a weekend around Image AI. $500 in prizes Winners announced 600 participants
Global Innovation Build Challenge V2 Online A global hackathon for foundational LLMs, applied AI, and open invention Non-monetary prizes Winners announced 1720 participants
Frontier Cascadia Online Where ambitious high school builders ship something real, and get the prizes to try it out in the real world. Join us in Seattle @ UW or compete live online for $10,000+ in prizes. $66,000 in prizes Winners TBD 79 participants
Hack CMU Pittsburgh, PA, USA HackCMU is Carnegie Mellon's premier hackathon, a 24-hour beginner-friendly challenge where creativity, code, and caffeine collide. Non-monetary prizes Sep 11 – 12, 2026 43 participants