William Cen (21cenweihong)

Newport Beach, California, United States

Hacktech by Caltech 2025

Pasadena, CA, USA

Innovate, Implement, Impact

Non-monetary prizes
Apr 25 – 27, 2025
257 participants

Coronathon

Remote, OR, USA

A virtual accelerator against COVID-19

Non-monetary prizes
Apr 9 – 14, 2020
114 participants

COVID-19 Global Hackathon 1.0

Online

#BuildforCOVID19 Global Online Hackathon

Non-monetary prizes
Winners announced
18553 participants

Facebook Developer Circle Hackathon - Los Angeles

Los Angeles, CA, USA

Join the first ever Los Angeles Facebook Developer Circle Hackathon

$874 in prizes
Feb 22, 2020
97 participants

SageHack

Newport Beach, CA, USA

Sage Hill School's First High School Hackathon

$3,147 in prizes
Jan 17 – 18, 2020
17 participants