HackAmerica Online America's Largest Hackathon for High School Students $575 in prizes May 23, 2026 02:00 PM EDT to submit 359 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 923 participants
Build-a-thon 2025 Online Level up your coding skills with immersive workshops, nonstop programming, and over $19,500+ in prizes. $19,500 in prizes Winners announced 250 participants
