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Hayward, CA

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Fitness 19

3.7 (3 reviews)
Open • 5:00 am - 11:00 pm

Services - Fitness 19

Personal training

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2 months ago

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Ask the Community - Fitness 19

Iron Warehouse - Updated powerlifting area. 3 deadlift platforms, 2 rogue combo racks, ER combo rack

Iron Warehouse

4.8(27 reviews)
1.1 mi

I started going to this gym by taking personal classes with Anthony. After a year of training with…read morehim, I built my confidence (and stamina) enough to sign up for Leo's strength and conditioning course. Five years later, I married Colin--a fellow iron warehouse weightlifter. Now we have a baby, and I'm trying to find time to get back to the gym. Even though we live in Castro Valley, we try to find time to go to Iron Warehouse because it's worth it for the community. Leo does an amazing job of uplifting people that want to get into shape--and stay in shape! Truly, he creates a community in this little garage gym. It's the kind of place where people wave hello to each other as they arrive. You get out what you put in. Get ready to sweat. :)

This place is phenomenal! I'm doing personal training here with Michael Truong and this guy knows…read morewhat he's doing. I was able to have a consultation with him to discuss my current abilities/limitations and my goals, and he designed a personalized program for me to achieve success. His credentials are on full display through his extensive knowledge on proper form, mechanics, and motion of the body. He is not intimidating, but will motivate you to give 110%. Also, his payment plans are reasonable and won't burn a hole in your wallet. Michael pushes me to be the best I can be and I have no doubt that with his support I will be able to exceed my goals. I am a big fan of the open layout here. I don't feel cramped at all and feel completely comfortable/confident with the space they provide. They also have an abundance of equipment/tools for you to not only accomplish your own fitness goals, but to explore new ones as well. There are plenty of amenities and programs they offer for your to explore; however, I have yet to experience them so my review is limited in that regard. Ultimately, this is is a wonderful facility to repeatedly lift heavy things and put them back down, and I recommend you come check it out.

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Iron Warehouse
Iron Warehouse
Iron Warehouse

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CrossFit One World & Self Defense - CrossFit member enjoying the CrossFit Open 24.2

CrossFit One World & Self Defense

4.9(108 reviews)
1.6 mi

Been going for CrossFit for almost 1.5 years and love it here. Coaches are knowledgeable,…read moresupportive and passionate about helping you improve. Community is humble, passionate and about the right size (not too big feeling crowded or not too small). I have gradually improved in all dimensions - strength, cardio, flexibility, technique and mindset/mentality. 5 stars! Highly recommend. You have various options (CrossFit, bootcamp, powerlifting, Olympic weightlifting etc) to chose from depending on interest and where you are at in your fitness journey.

I've been going to CrossFit One World for about 14 months now, and it's been a great experience. I…read morefirst joined the Boot Camp program, and coaches JP and Moe really made a difference for me. I had no background in CrossFit or weightlifting and felt completely new to it all, but they explained the basics clearly, kept things motivating, and often stepped in to correct form so we built the right foundation. That gave me confidence and made the classes something I looked forward to instead of dreaded. Over time, I enjoyed Boot Camp so much that I moved into CrossFit. I'm still a beginner in CrossFit and probably will be for a while but my weight loss has accelerated since making the switch, and I've started feeling stronger, healthier, and more positive overall. So far, I've had classes with seven different coaches plus Brad, the owner, and every one of them has been dedicated, approachable, and engaged. Each coach has their own style, which makes it fun you pick up something new in every session. Brad himself is humble and very committed to building the kind of community that makes people want to keep coming back. The best part of this gym is the great community of coaches n people. It's full of people who push themselves, encourage each other, and make the hard work enjoyable. If you're looking for a place that challenges you but also supports you, CrossFit One World is it. Joining here has been one of the best decisions for my health and well-being.

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CrossFit One World & Self Defense - CrossFit Open 24.2

CrossFit Open 24.2

CrossFit One World & Self Defense - Coach Ryka's CrossFit class

Coach Ryka's CrossFit class

CrossFit One World & Self Defense - Hype Hitters class with Coach Rosy

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Hype Hitters class with Coach Rosy

Fitness 19 - gyms - Updated October 2026

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