TreeHacks 2024 Stanford, CA, USA The largest collegiate hackathon in the U.S. $213,100 in prizes Feb 16 – 18, 2024 1124 participants
life --upgrade San Francisco, CA, USA How can AI transform the routine, and redefine the familiar? This hackathon will be about building and sharing our vision to think outside the box and level up daily life with AI. $4,250 in prizes Oct 1, 2023 40 participants
TreeHacks 2021 Online Join us as we build apps, hardware, & community virtually! $124,360 in prizes Winners announced 715 participants
OmniHacks San Francisco, CA, USA Create an innovative project aimed towards improving modern day healthcare. $1,020 in prizes Sep 21 – 22, 2019 113 participants
PennApps XX Philadelphia, PA, USA Join us in celebrating our 10th birthday! $101,390 in prizes Sep 6 – 8, 2019 759 participants
<hack> Cupertino 2019 Cupertino, CA, USA A 13-hour overnight hackathon designed to solve a problem relevant to the City of Cupertino $870 in prizes Apr 13 – 14, 2019 76 participants
MatadorHacks Santa Clara, CA, USA Create amazing tech projects that solve important problems in our society, while learning new skills and having fun. $82,000 in prizes Apr 6 – 7, 2019 72 participants
HarkerHacks Fremont, CA, USA HarkerHacks, a free hackathon for High Schoolers $8,880 in prizes Jun 9 – 10, 2018 45 participants
SVHacks Fremont, CA, USA Build, Design, and Create at SVHacks $9,742 in prizes Jun 3 – 4, 2018 30 participants
PalyHacks 2018 Palo Alto, CA, USA Build, create, and design at PalyHacks $19,359 in prizes Apr 21 – 22, 2018 35 participants
LancerHacks Mountain View, CA, USA Saint Francis High School's First Inaugural Hackathon! $329 in prizes Apr 21, 2018 37 participants
hack Cupertino 2018 Cupertino, CA, USA A 13-hour overnight hackathon designed to solve a problem relevant to the City of Cupertino $437 in prizes Apr 14 – 15, 2018 51 participants
MenloHacks III Atherton, CA, USA MenloHacks is back, bigger and better than ever before. $14,501 in prizes Mar 10 – 11, 2018 80 participants
Firebird Hacks Fremont, CA, USA Innovative, Inspiring, and Revolutionizing $25,010 in prizes Nov 4 – 5, 2017 35 participants
GunnHacks 4.0 Palo Alto, CA, USA Make, Build, Create & Learn. It’s GunnHacks 4.0, Gunn’s 24-hour high school hackathon. Non-monetary prizes Oct 27 – 28, 2017 74 participants
Mountain View Hacks Santa Clara, CA, USA 1 Day, 120 Hackers - Bay Area High School Hackathon $14,910 in prizes Oct 21, 2017 99 participants
TinoHacks 2017 Fremont, CA, USA TinoHacks, a project of Hacker Fund, is a two day long, 350 person hackathon hosted by Cupertino High School students. $19,200 in prizes Apr 15 – 16, 2017 118 participants
Cupertino Local Hack Day II - 2016 Cupertino, CA, USA Cupertino High School's very own Local Hack Day hackathon! Open to all who register! $218 in prizes Dec 3, 2016 20 participants
CU HACKS 2 Cupertino, CA, USA CU HACKS 2 is the Cupertino Library’s FREE, overnight hack-a-thon event for teens where the next generation of programmers join together to bring their coolest ideas to life. $6,000 in prizes Jun 11 – 12, 2016 65 participants
CU HACKS Cupertino, CA, USA Cupertino Library's Teen Hack-a-thon $1,400 in prizes Jun 21, 2015 33 participants