MadHacks Heartbleed Madison, WI, USA MadHacks Heartbleed $4,400 in prizes Oct 7 – 8, 2017 134 participants
LocalHackDay 2016 - UW-Madison Madison, WI, USA UW-Madison's LocalHackDay 2016 (By MLH) $145 in prizes Dec 3, 2016 18 participants
