Hackusama - Hack on Polkadot's Wild Cousin Online Build custom blockchains and tools on Polkadot's wild cousin, Kusama. $30,000 in prizes Winners announced 474 participants
HackSC 2015 Los Angeles, CA, USA Welcome to the HackSC Factory! Non-monetary prizes Nov 14 – 15, 2015 135 participants
Hack the North 2015 Waterloo, Canada Canada's Largest Hackathon - University of Waterloo $30,350 in prizes Sep 18 – 20, 2015 730 participants
CHIMEHACK 2 San Francisco, California, USA CHIMEHACK 2 will convene the tech community with issue experts and non-profit leaders to develop tools to promote safety for girls and women. Note that this is a closed event, by application only. $35,000 in prizes Jul 9 – 12, 2015 204 participants
TreeHacks Winter 2015 Stanford, CA, USA 500 incredible students from across the country. Stanford University's inaugural hackathon. $68,590 in prizes Feb 20 – 22, 2015 287 participants
Cal Hacks Berkeley, CA, USA Cal Hacks is the first major collegiate hackathon in the Bay Area. Non-monetary prizes Oct 3 – 5, 2014 473 participants
HackSC Los Angeles, CA, USA Build stuff, learn, hack, and innovate at USC during the weekend of March 7th 2014. Non-monetary prizes Mar 7 – 9, 2014 1 participant
PennApps Spring 2014 Philadelphia, Pennsylvania, USA The World's Premier College Hackathon $29,000 in prizes Feb 14 – 16, 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 693 participants
PennApps Philadelphia, Pennsylvania, USA The World's Premier College Hackathon $30,000 in prizes Sep 6 – 8, 2013 657 participants