TreeHacks 2025 Stanford, CA, USA The largest collegiate hackathon in the U.S. $255,600 in prizes Feb 14 – 16, 2025 827 participants
Cal Hacks 11.0 San Francisco, CA, USA This year's Cal Hacks is co-hosted by Google and Fetch.ai. Together we'll assemble in SF for a weekend of hacking, friendship, and crazy ideas. $188,960 in prizes Oct 19 – 20, 2024 1140 participants
PennApps XXV Online Dive into innovation with us at PennApps XXV: Deep Sea Edition! $20,645 in prizes Winners announced 363 participants
PennApps XXIV Philadelphia, PA, USA PennApps is the original college hackathon. Come join us to learn something new, build an app, or start a company. Let’s continue to make history together. $32,810 in prizes Sep 8 – 10, 2023 352 participants
LaunchHacks 2023 Summer Hackathon Online Your opportunity to LAUNCH your ideas $58,012 in prizes Winners announced 675 participants
TechXcelerate Summer Hackathon 2023 Online Build software related projects to help the world around you! $61,464 in prizes Winners announced 218 participants
HackTJ 10.0 Tysons, VA, USA The best iteration of the Original High School Hackathon. $5,036 in prizes Mar 4 – 5, 2023 297 participants
HackTJ 9.0 Alexandria, VA, USA The Original High School Hackathon just keeps getting better. $2,524 in prizes Apr 16 – 17, 2022 295 participants
HackDefy Online Want to create a website or app for the collective good or Covid-19? Join us at HackDefy from August 14-16! (Participants must live in the US and must be between the ages of 13-18) $2,910 in prizes Winners announced 196 participants