Cal Hacks Berkeley, CA, USA Cal Hacks is the first major collegiate hackathon in the Bay Area. Non-monetary prizes Oct 3 – 5, 2014 477 participants
LA Hacks - Spring 2014 Los Angeles, CA, USA The Hackathon of the West Coast. 36 Hours. April 11-13 in Pauley Pavilion at UCLA. $30,300 in prizes Apr 11 – 13, 2014 515 participants
"Apps for Energy" Hackathon San Diego San Diego, CA, USA Join the Department of Energy to develop apps that address some of America's most important energy challenges. $2,500 in prizes Jan 31 – Feb 1, 2014 15 participants
Hackpoly Pomona, CA, USA hackpoly ‘14 is the first Hackathon ever at Cal Poly Pomona. If you're a student in the inland empire, you should be at this hackathon. $225 in prizes Jan 24 – 25, 2014 101 participants