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 2163 participants
MHacks 2025 Ann Arbor, MI, USA The University of Michigan's main student-run hackathon is back for 2025! $39,050 in prizes Sep 27 – 28, 2025 380 participants
Google AI Hackathon Online Build a creative app that uses Google’s Generative AI tools. Push the boundaries of what Gen AI apps can do with Gemini! $50,000 in prizes Winners announced 15481 participants
Code White | Spartan Hackers Online A semester long hackathon to help students develop exciting projects and learn new technologies $375 in prizes Winners announced 22 participants
SpartaHack 8 East Lansing, MI, USA Live by the Code $8,200 in prizes Jan 28 – 29, 2023 323 participants
Code Green East Lansing, MI, USA Projects that innovate and improve the current state of the world $1,600 in prizes Oct 13 – Nov 11, 2022 121 participants
Global Design Challenge for Sport and Physical Activity 2022 Online Supporting the creation and development of innovative ideas from around the world that enable people of all ages and abilities to lead active healthy lives €15,000 in prizes Winners announced 134 participants
AtlasHacks II Online AtlasHacks II is a 3-day virtual hackathon that aims to foster the creativity within hackers all around the world. Learn more at atlashacks.tech! $25,300 in prizes Winners announced 308 participants
InspirEd Hacks (6/25-6/27) Online Create apps that empower communities with education! $1,000 in prizes Winners announced 122 participants
Epsilon Hacks II Online Solving Tomorrow's Problems Today $3,070 in prizes Winners announced 113 participants
Hack3 (2021) Online The leading online hackathon for high schoolers: welcoming students from all skill levels! $70,000 in prizes Winners announced 314 participants
SigmaHacks 3 - Presented by HPE Online An online hackathon to address the worst of global problems with the best of solutions. [Registration closed - please refer to description for more details] $78,048 in prizes Winners announced 539 participants
AlphaHacks 2021 Online Create projects that will live beyond the hackathon weekend. $CAD 94,727 in prizes Winners announced 413 participants
JAMHacks V Online Both a hackathon and a learnathon for high schoolers—create an app, game, website, robot, gadget, or whatever your heart desires! $CAD 19,614 in prizes Winners announced 244 participants
TOHacks 2021 Online Based in Toronto, Canada, TOHacks aims to connect talented youth entrepreneurs, leaders and innovators with the top industry professionals in rising fields of new technologies. $CAD 70,195 in prizes Winners announced 727 participants
ClimateHacks Online Making a change for climate change $1,000 in prizes Winners announced 163 participants
Lighthouse Hacks Online Celebrating 100 years of innovation at PCSS $26,835 in prizes Winners announced 168 participants
Los Altos Hacks V Online Los Altos' fifth annual high school hackathon $7,210 in prizes Winners announced 403 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
HackTheU: Go Beyond Online Utah's largest and most popular hackathon is back! This year from the comfort of your own home. $7,570 in prizes Winners announced 211 participants
PsiHacks Online Maximize Learning Potential from a Distance $22,474 in prizes Winners announced 159 participants
Hack it Better Online Empowering high school students to use technology by creating meaningful hacks in the realms of health, community, and the environment. $6,500 in prizes Winners announced 173 participants