PennApps XII Philadelphia, PA, USA Let's Make History Together $63,650 in prizes Sep 4 – 6, 2015 903 participants
DCHacks Tysons, VA, USA Washington, D.C.'s Premier High School Hackathon $3,385 in prizes Aug 1 – 2, 2015 116 participants
Iron Hacks New York, NY, USA Iron Hacks brought to you by The Young Hackers and The Flatiron School $200 in prizes Feb 28, 2015 25 participants
