Cal Hacks 6.0 Berkeley, CA, USA The world's largest collegiate hackathon! $39,020 in prizes Oct 25 – 27, 2019 625 participants
Cal Hacks 4.0 Berkeley, CA, USA The worlds largest collegiate hackathon held at UC Berkeley $172,386 in prizes Oct 6 – 8, 2017 726 participants
Los Altos Hacks II Redwood City, CA, USA Los Altos Hacks II is here! $1,750 in prizes Feb 4 – 5, 2017 189 participants
GunnHacks 3.0 Palo Alto, CA, USA Make, Build, Create & Learn. It’s GunnHacks 3.0, Gunn’s 24-hour high school hackathon. Non-monetary prizes Nov 11 – 12, 2016 76 participants
Opportunity Hack San Jose 2016 San Jose, CA, USA Connect.. Build and Empower organizations to change lives across the world $6,000 in prizes Jul 8 – 10, 2016 541 participants
Hacktech Pasadena, CA, USA The West Coast's Premier Interdisciplinary Hackathon! $32,038 in prizes Feb 26 – 28, 2016 270 participants
SV Hacks! - Ideas Come To Life Come as you are, build what you like $8,100 in prizes Feb 20 – 21, 2016 466 participants
Los Altos Hacks Mountain View, CA, USA 200-person high school hackathon in the Bay Area $2,540 in prizes Jan 30 – 31, 2016 129 participants
Make Hacks Fall 2015 San Francisco, CA, USA Come build your product with us! $2,300 in prizes Nov 13 – 15, 2015 10 participants
HackingEDU San Mateo, CA, USA Invent the Future $100,800 in prizes Oct 22 – 25, 2015 619 participants
Sharing Economy Challenge (2015) Berkeley, CA, USA Hack the sharing economy to close the wealth gap $5,500 in prizes Jul 24 – 25, 2015 8 participants
Teen Hackathon California, USA The First Educational High School Hackathon Non-monetary prizes Mar 21 – 22, 2015 61 participants