SD Hacks 2016 San Diego, CA, USA Hack with the Best in San Diego $32,320 in prizes Oct 1 – 2, 2016 262 participants
Hacktech Pasadena, CA, USA The West Coast's Premier Interdisciplinary Hackathon! $32,038 in prizes Feb 26 – 28, 2016 272 participants
Hackpoly 2016 Pomona, CA, USA The 24 hour intercollegiate hackathon at Cal Poly Pomona for creativity, ingenuity, and technical talent. $8,850 in prizes Feb 6 – 7, 2016 122 participants
HackUCI Fall 2015 Santa Ana, CA, USA Build Create Innovate $32,500 in prizes Nov 20 – 22, 2015 111 participants
Citrus Hack Fall 2015 Riverside, CA, USA Citrus Hack | UCR's and the Inland Empire's premier hackathon $6,700 in prizes Nov 6 – 8, 2015 114 participants
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 71 participants