Hackpoly Pomona, CA, USA Hackpoly is Cal Poly Pomona's event of the year for creativity, ingenuity, and technical talent. $3,075 in prizes Feb 20 – 21, 2015 70 participants
SB Hacks Santa Barbara, CA, USA SB Hacks is an event in which hundreds of talented programmers compete for 36 hours to make amazing projects. The projects are then judged by tech professionals from the industry and from academia. $17,200 in prizes Jan 30 – Feb 1, 2015 162 participants
HackUCI Spring 2014 Irvine, CA, USA Premier hackathon in Orange County $2,900 in prizes May 24 – 25, 2014 118 participants