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At Golden State CrossFit (formerly Antioch CrossFit), we want anyone who walks into our facility to feel like they’re getting more than they expected. We’ll tailor our life-changing programming to your skill and comfort level—which translates into long-term results, so you can sustain your program for a lifetime.

Our coaches are trained and experienced in CrossFit, but they also know how to drive motivation and help you smash your goals. If you’re ready to give it your all, they are here to ensure that you have all the support you need to become your own inner hero.

We truly believe the best boxes are comprised of caring, committed coaches and a supportive community where lifelong habits are developed right along with lifelong friendships. Whether you’re a beginner or just looking for a new “family,” we’re here to cheer you on, every step of the way as you continue on your CrossFit journey. Step in today and introduce yourself!

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Our Facility

We have a beautiful, spacious 5,300-square-foot facility that people seem to really fall in love with when they come in. Plenty of clean, available equipment, too. Golden State CrossFit offers a vibrant, welcoming and family-oriented group—complete with dedicated coaches who are each personally committed to providing the best possible environment for you to reach every one of your fitness goals. Check out our fun, non-intimidating beginners’ classes—or work with a personal coach to focus on a particular goal. Come on in and let’s get started!

Take a Tour



The owners truly love their gym and mostly their members. They treat them as family and the gym as their house. There’s lots of love there and smart, educated coaches to go along with it!

- Michael Jimenez -

Walking into this box, you feel welcome right away. My first time doing their WOD, I got a lot of support and encouragement, and they are really quick to respond to emails and phone calls.

- Shelby Dorn -

This place keeps me moving forward. Even if you fall, everyone will help pick you up. Everyone there is family and welcomes new family members with open arms! All egos are checked at the door and everyone is equal. Love my ACF Ohana!!

- Kevin Bagnaschi -