COVID-19 Global Hackathon 1.0 Online #BuildforCOVID19 Global Online Hackathon Non-monetary prizes Winners announced 18553 participants
TeenHacks LI - Fall 2019 Old Westbury, NY, USA Long Island's Only 24-Hour High School Hackathon $11,500 in prizes Nov 9 – 10, 2019 148 participants
