TreeHacks 2026 Stanford, CA, USA The largest collegiate hackathon in the US. $1,030,875 in prizes Feb 14 – 15, 2026 1097 participants
TreeHacks 2025 Stanford, CA, USA The largest collegiate hackathon in the U.S. $255,600 in prizes Feb 14 – 16, 2025 827 participants
Azure AI Hackathon Online Build AI-powered apps with pre-trained models or create your own machine learning models $25,500 in prizes Winners announced 1917 participants
MakeHarvard 2021 Online We have one goal: make stuff. 24-hour virtual engineering make-a-thon. $6,680 in prizes Winners announced 249 participants
Technica 2020 Online The world's largest all-women and non-binary hackathon $43,410 in prizes Winners announced 710 participants
Data Day Grind Online Data is all around us in our day to day grinds. This hackathon is your chance to explore and build something cool with data. Non-monetary prizes Winners announced 174 participants
Hack Girl Summer Online The MLH Summer League's first female and non-binary exclusive hackathon. Non-monetary prizes Winners announced 187 participants
Same Home Different Hacks Online Learn, Build, and Share with from anywhere in the world this weekend! Non-monetary prizes Winners announced 331 participants
BackyardHacks Online Hacks that help the planet! Non-monetary prizes Winners announced 240 participants