Minnehack 2015 Minneapolis, MN, USA 24 hours of caffeine-powered madness $4,200 in prizes Oct 24 – 25, 2015 71 participants
MadHacks Spring 2015 Madison, WI, USA MadHacks is a new kind of hackathon: where the winners are chosen by the hackers, and the sponsors feel like they are right in the middle of the hacker community itself. $29,374 in prizes Apr 18 – 19, 2015 56 participants
HackIllinois 2015 Champaign, Illinois, USA Find your Inner Explorer $20,980 in prizes Feb 27 – Mar 1, 2015 431 participants
