TreeHacks 2026 Stanford, CA, USA The largest collegiate hackathon in the US. $1,030,875 in prizes Feb 14 – 15, 2026 1097 participants
HackHarvard 2023 Boston, MA, USA Hack to the Future! $6,200 in prizes Oct 20 – 22, 2023 633 participants
HackPrinceton Fall 2022 Princeton, NJ, USA Collaborate and build out brilliant, innovative, and impactful ideas $14,304 in prizes Nov 11 – 13, 2022 109 participants
M&T Summer Institute 2021 (Deliwala/Babin) Online M&T Summer Institute Non-monetary prizes Winners announced 101 participants
hths.hacks() 2021 Online An online hackathon for high school students! $5,130 in prizes Winners announced 74 participants
HackJA 2021 Online HackJA is a twenty-four hour round-the-clock innovative program that tests students’ IT and computer science skills. REGISTRATION IS REQUIRED TO PARTICIPATE!! Link: https://hackja.com/apply.html $200 in prizes Winners announced 119 participants
PennApps XXI Online The Original College Hackathon: Now Online! $49,069 in prizes Winners announced 588 participants
hths.hacks() 2020 Online An online hackathon for high school students! $25,240 in prizes Winners announced 251 participants