HackAmerica Online America's Largest Hackathon for High School Students $575 in prizes May 23, 2026 02:00 PM EDT to submit 393 participants
EcoHacks Online Build anything using STEM that relates to the environment. Your project can be a program, model, simulation, analysis, or any creative technical idea. $500 in prizes Winners TBD 196 participants
GatewayGS Hackathon Online create an AI tool solving a real world problem Non-monetary prizes Winners announced 333 participants
GenAI Dev Hackathon Online Code with Purpose. Build for Humanity. Non-monetary prizes Winners announced 542 participants
MEGA Hackathon 2026 Online A collaborative hackathon integrating computer science, STEM, economics, and infrastructure — aimed at advancing human development. Non-monetary prizes Winners announced 922 participants
Hack for Humanity | 2026 Online Developing software for the environment Non-monetary prizes Winners announced 774 participants
EnviroCast Global Engineering Outlook: Furthering the Future Hackathon Online Hack for impact: create the future of technology today. Non-monetary prizes Winners announced 114 participants
DVHacks (January 17th-February 1st, Participation Prizes) Online Join us for 2 weeks of coding where you can use your skills to solve real world problems! Non-monetary prizes Winners announced 292 participants
December AI Challenge Online AI Innovation for Grades 6-12: Compete, Learn, and Connect for cash prizes. $200 in prizes Winners announced 136 participants
Sustain-a-thon Online Create an app, device, or game to spread awareness about climate issues! $300 in prizes Winners announced 140 participants
