TreeHacks 2025 Stanford, CA, USA The largest collegiate hackathon in the U.S. $255,600 in prizes Feb 14 – 16, 2025 827 participants
MinneHack 2022 Minneapolis, MN, USA The Biggest Public Hackathon in Minnesota. 24 HOURS. GREAT PRIZES. TOTALLY FREE. $8,668 in prizes Jan 22 – 23, 2022 134 participants
DVHacks II San Francisco, CA, USA Dougherty Valley High School's second annual hackathon. $2,400 in prizes Jan 19, 2020 56 participants
PennApps XX Philadelphia, PA, USA Join us in celebrating our 10th birthday! $101,390 in prizes Sep 6 – 8, 2019 759 participants
MatadorHacks Santa Clara, CA, USA Create amazing tech projects that solve important problems in our society, while learning new skills and having fun. $82,000 in prizes Apr 6 – 7, 2019 72 participants
Millibit Hacks San Francisco, CA, USA Build an app by yourself or with a team. Open to all! $4,200 in prizes Feb 23, 2019 39 participants
TeenHacks Civic Hackathon San Jose, CA, USA Create apps and games that help your community $2,450 in prizes Sep 8, 2018 13 participants
HarkerHacks Fremont, CA, USA HarkerHacks, a free hackathon for High Schoolers $8,880 in prizes Jun 9 – 10, 2018 45 participants
SVHacks Fremont, CA, USA Build, Design, and Create at SVHacks $9,742 in prizes Jun 3 – 4, 2018 30 participants
PalyHacks 2018 Palo Alto, CA, USA Build, create, and design at PalyHacks $19,359 in prizes Apr 21 – 22, 2018 35 participants
LancerHacks Mountain View, CA, USA Saint Francis High School's First Inaugural Hackathon! $329 in prizes Apr 21, 2018 37 participants
hack Cupertino 2018 Cupertino, CA, USA A 13-hour overnight hackathon designed to solve a problem relevant to the City of Cupertino $437 in prizes Apr 14 – 15, 2018 51 participants
Firebird Hacks Fremont, CA, USA Innovative, Inspiring, and Revolutionizing $25,010 in prizes Nov 4 – 5, 2017 35 participants
Mountain View Hacks Santa Clara, CA, USA 1 Day, 120 Hackers - Bay Area High School Hackathon $14,910 in prizes Oct 21, 2017 99 participants