Cal Hacks
Major League Hacking 2020 Hackathon Season

Join the World's
Collegiate Hackathon.

UC Berkeley | Fall 2019

Cal Hacks 6.0

October 25 - 27

Cal Memorial Stadium, UC Berkeley


Last fall, Hack the Bay organized Cal Hacks 5.0 to bring together 2,200 attendees from 50 universities and 5 countries to build everything from mind-controlled vehicles to artificial intelligence for language learning.

For Cal Hacks 6.0, we're building on our tradition of technical & inclusive excellence by bringing together the world's brightest collegiate hackers and guiding them in creating impactful, diverse & innovative projects.


It is a crucial aspect of our mission to embrace and promote inclusivity, accessibility, & ethicality. All participants are expected to respect both our and MLH's Code of Conduct in order to facilitate a positive hackathon experience!


Making 6.0 Possible

Each year, our sponsors help us unite thousands of attendees from dozens of universities across the globe—bringing together the world's brightest collegiate hackers for 36 hours straight.

Sponsoring Cal Hacks connects you with a diverse group of students that aim to innovate. Our hackers have shipped their Cal Hacks projects to thousands of people, founded YC startups, and conducted groundbreaking research. Join us in facilitating a new culture of doing and creating.

Thank you so much for your interest in helping us fuel the future of tech. Please feel free to reach out to us via email to receive updates!

6.0 Sponsors


Mentors are essential to a good hacker experience. Most students come to Cal Hacks wanting to learn something new, and this happens when we have passionate mentors. There are very few requirements to being a good mentor. Please look through the list, and if you’re excited about empowering fresh minds to build innovating projects, apply to be a mentor!

Cubstart Mentors

Love commitment? Passionate about teaching? We’re looking for you to mentor Cubstart! Cubstart mentors play a critical role developing the confidence of new hackathon attendees. We’re especially interested in hearing from mentors from under-represented minority backgrounds! There are very few requirements to being a good mentor. Please look through the list, and if you’re excited about empowering fresh minds to build innovating projects, apply to be a mentor! You can also learn more about Cubstart.

Frequently Asked Questions

What is a hackathon?

A hackathon is an event where students create tech projects in a collaborative environment. Students begin with an idea and work towards a complete project over the course of 24-72 hours.

When are applications due?

If you're outside of California, applications are due Friday, September 20. If you're in California (Berkeley students included), your apps are due Friday, October 4.

Can I attend without being a hacker?

Yes! We'd love for you to apply to be a volunteer or mentor; we could not make this event happen without our amazing volunteers & mentors.

What if I don't have any coding or hacking experience

Cal Hacks is the perfect place to learn! We believe that some of the next great ideas will come from the fresh and diverse minds of individuals who innovate new solutions to hidden problems — we’re inviting you to come create with us. CubStart is a pre-hackathon beginning hacker program to help hackathons be less intimidating and more accessible for everyone! We provide a mentorship program for team building, ideation, basic hackathon skills, and technical workshops to encourage those with little or no CS experience to try out hackathons and coding!

This program includes pre-hackathon workshops to help you gear up and learn all the skills you’ll need to build something you’re proud of as well as continuous individualized mentorship throughout the hackathon.

How do teams work?

Teams can be up to 4 people large. To apply as part of a team, the application will allow you to generate a team code. Make sure everyone applying as part of your team submits this team code in their application. If you don’t have a team prior to Cal Hacks, don’t worry because we’ll host team matching sessions! You may also compete solo but that will be soo much less fun.

How much will this cost?

Cal Hacks is free for all accepted hackers. We will be providing meals, caffeine, workspace, swag, and WiFi for the weekend. Travel reimbursements or bussing will be available for qualifying hackers. All you have to do is come ready to make!

Who can attend?

Cal Hacks applications are open to all high school and college (both undergrad and grad) students over the age of 18.

What should I bring?

All you need is a valid student ID, a laptop, and chargers. A change of clothes and a pillow and/or sleeping bag is recommended.

What is the schedule of the event?

The Cal Hacks 6.0 schedule will be released closer to the event but plan on arriving at the event on the evening of Friday, October 25th and leaving in the afternoon of Sunday, October 27th.

What can my team build?

Anything your heart desires! Any hardware, software, or tech-related thing you and your team can come up with! Projects will be judged on creativity, technical difficulty, polish, and usefulness.

What if I want to work on my hack after the hackathon is over?

We started The Cal Hacks Fellowship, a program that hosts several hackathon teams after the hackathon to continue building their projects to whatever stages they want to take it to next.

We offer many things like one-on-one mentorship, direct interactions with industry professionals and venture capitalists, office space at The SkyDeck and the House, equity-free funding, and access to future hack nights. We recommend all hackers to apply to our program to take their projects to the next level!

Our Initiatives



We believe great ideas come from fresh and diverse mindsets, so we launched CubStart, a program for new hackers designed to make the hackathon experience feel less intimidating and more accessible for everyone!



Our mission is to empower others with technology to create solutions to better the world. Our annual hackathon, hosted at UC Berkeley's beautiful campus, is where the technology of the future is born. With 2200+ students and over 36 hours.



Why do we have to stop hacking after the hackathon is over? You don't! Cal Hacks started the Cal Hacks Fellowship, a program that hosts several hackathon teams after the hackathon to continue building and growing their projects to where they want to take it next.

Our Sponsors