Junction 2017 Europe's largest hackathon - Building projects defining the next 100 years $211,000 in prizes Nov 24 – 26, 2017 960 participants
HackUPC Fall 2017 Barcelona, Spain BarcelonaTech student Hackathon. 700 hackers. 36 hours. Dream it. Hack it. Ship it. Non-monetary prizes Oct 14 – 15, 2017 360 participants