HackAmerica Online America's Largest Hackathon for High School Students $575 in prizes May 23, 2026 02:00 PM EDT to submit 393 participants
EnviroCast Global Engineering Outlook: From Insight to Impact Hackathon Online Hack for impact: create the future of technology today. $625 in prizes May 21, 2026 01:00 AM EDT to submit 456 participants
Rebuilding the OS: Core System Utilities Hackathon Online Build a mini Operating System Non-monetary prizes Apr 30, 2026 11:45 PM EDT to submit 62 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
hackUMBC Mini Hackathon Baltimore, MD, USA Join us in the the ultimate coding sprint! Non-monetary prizes Apr 18, 2026 87 participants
HSHacks 2026 Arlington Heights, IL, USA This year's theme: Mental Wellbeing Non-monetary prizes Apr 18, 2026 42 participants
Flood Safety Online Build simple websites using HTML (optional CSS) that guide people on what to do before, during, and after a flood to stay safe. Non-monetary prizes Winners announced 66 participants
INNOSpark Pitch Competition Online Pitch your business, non-profit or passion project for a chance to win $10,000 in prizes! $3,000 in prizes Winners TBD 624 participants
Learn It Global Hackathon V2 Online Demonstrate your innovative problem solving skills in LearnIt's second Global Hacking Event. Non-monetary prizes Winners announced 151 participants
Grizzly Hacks II Online Create, Compete, and Stand Out. $40,021 in prizes Winners announced 248 participants
Frisco Hacks 2026 Online Create a game that involves a unique mechanic Non-monetary prizes Winners announced 84 participants
United Hacks V6 Online Showcase both your technical and presenting abilities and collaborate with like minded individuals to make and pitch a project during United Hacks V6. $37,100 in prizes Winners announced 1191 participants
