Powered by

One World Self Defense & Fitness

33415 Western Ave, Union City, CA 94587
(510) 324-8153
Rating: 5.0 out of 5"41 Yelp reviews


  • Mon - Fri6:30 AM - 8:30 PM
  • Sat9:00 AM - 12:00 PM
  • Sun10:00 AM - 11:00 AM


Bay Area's premier self defense and fitness school. CrossFit, Krav Maga, Jiu-Jitsu, Judo, Wrestling, Eskrima, and Boot Camps. Our facility has over 2500sf of matted floor, 3500sf of Crossfit workout space, a pro shop, and men's and women's changing rooms with showers



Latest reviews

  • Rating: 5.0 out of 5"Jul 10, 2014 · by Supak C. from YelpMy husband and I signed up for the 6 week boot camp with Chris and Justin (Yoga). We were initially pretty intimidated by the thought of it but having almost completed it now, we are both so happy that we did it. We had every excuse in the world to not do it but after seeing how family-oriented and … Full review
  • Rating: 5.0 out of 5"May 12, 2014 · by Becki Z. from YelpWell, considering that on Saturday 5/10 marked my THIRD YEAR ANNIVERSARY at Crossfit One World, I guess it's safe to say that I can finally leave a review ;) I still remember like it was yesterday when I had decided that I needed to get more active and need to make a lifestyle change. I was going … Full review
  • Rating: 5.0 out of 5"Mar 12, 2014 · by Devin B. from YelpAll of the crossfit instructors are knowledgable and supportive, I've been doing it a month now. No looking back! Full review
  • Rating: 5.0 out of 5"Feb 02, 2014 · by Elizabeth C. from YelpThis review is strictly for the Boot camp sessions by Chris Robertson..One word sums it up! Amazing!!! Didn't quite know what I was getting into when I started but now I can't stop because it is well worth it! Always some different with lots of encouragement to work harder, work smart and most importantly trust … Full review
  • Rating: 5.0 out of 5"Aug 06, 2013 · by Yvonne R. from YelpThis review is for The Boot Camp with Christopher Robertson. This is by far the best thing I have ever done for myself. Chris energy is supportive and challenging. The folks in the class are amazing. I'm in week 3 of the boot camp and we have not repeated a workout. I am amazed at what I can do. Chris offers … Full review