Rachel Ku (rachel-ku-usa)

TreeHacks 2026

Stanford, CA, USA

The largest collegiate hackathon in the US.

$1,030,875 in prizes
Feb 14 – 15, 2026
1098 participants

Proof of Concept

Online

If you could prove any data on the internet - what would you build?

$25,000 in prizes
Winners announced
1909 participants

WaffleHacks 2021

Online

Hackers with hearts

$15,520 in prizes
Winners announced
275 participants

PeddieHacks 2021

Online

A 48-hour virtual hackathon - by students, for students.

$50,000 in prizes
Winners announced
342 participants

TecHacks 2.0

Online

TecHacks provides girls from all over the world with the opportunity to code, compete, network, and win awesome prizes

$44,564 in prizes
Winners announced
381 participants