HackRice X Online Rice University's Annual Fall Hackathon $19,000 in prizes Winners announced 277 participants
Los Altos Hacks IV Sunnyvale, CA, USA Los Altos's fourth annual high school hackathon $2,179 in prizes Mar 23 – 24, 2019 222 participants
Los Altos Hacks III Sunnyvale, CA, USA Los Altos's third annual high school hackathon $43,532 in prizes Mar 24 – 25, 2018 215 participants
