MHacks Winter 2014 Detroit, MI, USA THE MOST EPIC UNIVERSITY HACKATHON RETURNS $12,750 in prizes Jan 19, 2014 589 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 694 participants