PennApps X Philadelphia, PA, USA The premier college hackathon $16,450 in prizes Sep 12 – 14, 2014 571 participants
HackMIT Cambridge, Massachusetts, USA 1000+ people, $10k+ prizes, 30 hours. October 5-6, 2013 at MIT. Open to all students, all schools. $15,000 in prizes Oct 5 – 6, 2013 696 participants
