HackUCI 2018 Irvine, CA, USA Create. Connect. Inspire. $3,625 in prizes Feb 1 – 4, 2018 238 participants
HackRiddle 2017 Daytona Beach, FL, USA HackRiddle is Embry-Riddle Aeronautical University's premier collegiate hackathon held in Daytona Beach, FL. $5,400 in prizes Nov 11 – 12, 2017 91 participants
SD Hacks 2016 San Diego, CA, USA Hack with the Best in San Diego $32,320 in prizes Oct 1 – 2, 2016 261 participants
UCI Data Science Hackathon Irvine, CA, USA #UCIDataHack @ UC Irvine | Explore Data Visualization, Machine Learning, App Development, and more. $2,500 in prizes May 14 – 15, 2016 89 participants
SB Hacks II Isla Vista, 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. $6,250 in prizes Apr 22 – 24, 2016 66 participants
Hacktech Pasadena, CA, USA The West Coast's Premier Interdisciplinary Hackathon! $32,038 in prizes Feb 26 – 28, 2016 269 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
HackSC 2015 Los Angeles, CA, USA Welcome to the HackSC Factory! Non-monetary prizes Nov 14 – 15, 2015 135 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
HackingEDU San Mateo, CA, USA Invent the Future $100,800 in prizes Oct 22 – 25, 2015 613 participants