YC Hacks Mountain View, California, USA Make something people want. $12,710 in prizes Aug 2 – 3, 2014 529 participants
HackPrinceton Spring 2014 Princeton, New Jersey, USA The premier hardware and software hackathon. Realize your potential. $13,000 in prizes Mar 28 – 30, 2014 221 participants
PennApps Spring 2014 Philadelphia, Pennsylvania, USA The World's Premier College Hackathon $29,000 in prizes Feb 14 – 16, 2014 592 participants