ID Hack 2014 Cambridge, MA, USA I'D Hack for international development, wouldn't you? $2,200 in prizes Feb 15 – 16, 2014 60 participants
MassDOT Visualizing Transportation Hackathon Cambridge, Massachusetts, USA Informing the Future of Massachusetts Transportation through Data Analysis and Visualization. $6,000 in prizes Dec 14, 2013 49 participants