Haven Seattle Seattle, Washington, USA Haven is made possible by called Hack Club, a global coding 501c(3) nonprofit. $100 in prizes Nov 14 – 15, 2026 3 participants
Neighborhood Hacks Online Create a project that supports your local community $57,866 in prizes Winners announced 645 participants
CSC Back-to-School Hackathon Online Build an app, tool, website, or gadget that helps students, teachers, or schools solve a real school-life problem $400 in prizes Winners announced 552 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
Seattle Divergent Hackathon Redmond, WA, USA A full-day, in-person Hackathon where students spend the day identifying problems, prototyping solutions, and pitching to experts for a chance to win cash prizes. $600 in prizes Mar 21, 2026 41 participants