TreeHacks 2026 Stanford, CA, USA The largest collegiate hackathon in the US. $1,030,875 in prizes Feb 14 – 15, 2026 1097 participants
Cal Hacks 12.0 San Francisco, CA, USA This year's Cal Hacks is co-hosted by Claude, Fetch AI, AppLovin, and Amazon's Annapurna Labs! Together we'll assemble in SF for a weekend of hacking, friendship, and crazy ideas. $58,100 in prizes Oct 24 – 26, 2025 2164 participants
HackViolet Blacksburg, VA, USA 24-hour hackathon hosted by The Association of Women in Computing, a student-run, non-profit organization at Virginia Tech $16,672 in prizes Feb 3 – 4, 2024 223 participants
HooHacks 2022 Charlottesville, VA, USA Hackathon with a focus on inclusivity, learning, ethics, and experience. $10,295 in prizes Mar 26 – 27, 2022 403 participants
HackViolet 2022 Online 24-hour virtual, female-empowerment hackathon at Virginia Tech: open to students of all genders, majors, and experience levels! $28,500 in prizes Winners announced 580 participants
HackDuke 2021: Code for Good Durham, NC, USA HackDuke allows students of all backgrounds to collaborate and create meaningful hacks for social good that change the intention and narrative behind how technology is used today. $5,300 in prizes Oct 23 – 24, 2021 291 participants
Hack the Cloud Online In March 2018, we made history with Hack the Fog 1.0, San Francisco’s first high school hackathon. We now want to bring the experience to everyone during this time of quarantine. $3,885 in prizes Winners announced 224 participants
NotUniversity Hacks Online Where are our High School and Middle School students at? Non-monetary prizes Winners announced 269 participants
hths.hacks() 2020 Online An online hackathon for high school students! $25,240 in prizes Winners announced 251 participants
MAHacks IV Boston, MA, USA Where entrepreneurship meets technology Non-monetary prizes Dec 1 – 2, 2018 56 participants