WildHacks 2015 Evanston, IL, USA Come build with us. $19,540 in prizes Nov 21 – 22, 2015 224 participants
HackMIT 2015 Cambridge, MA, USA Hack, build, and innovate at MIT's largest hackathon. Sept 19 - 20. $49,994 in prizes Sep 19 – 20, 2015 19 participants
hackNY Spring 2015 Hackathon New York, NY, USA hackNY aims to federate the next generation of hackers for the New York innovation community. $3,698 in prizes Mar 7 – 8, 2015 165 participants
PennApps Winter 2015 Philadelphia, PA, USA The nation's chillest college hackathon. January 16-18, 2015 at the University of Pennsylvania. $46,060 in prizes Jan 16 – 18, 2015 604 participants