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    DEFCON Athletics

    5.0 (63 reviews)
    Closed 5:30 am - 1:00 pm, 4:00 PM - 7:30 PM

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    Christopher M.

    Just got out of my first free lesson. Wow... that was a good work out. My first exposure to this "crossfitting" stuff and it was great. Definitely a doable workout and a more efficient way to go somewhere where you'll actually be motivated to do the workouts instead of sitting around at the 24 hour fitness waiting for people to get off their machines... Also good for me cuz it's only 1 hour a day and doesn't mess with my schedule. Don't know if I'm going to sign up for it but I would motivate anyone to at least take advantage of the free workout... Also my first time reviewing a gym.... Don't really have a star scale system for gyms yetbut if its a good workout then this place gets 5 stars for sure. Also they provide towels and showers... definitely a plus.

    Running on vacation in Hawaii.
    Ken O.

    I have just finished my first year at CrossFit Crescenta Valley. I'm in my 60's and had already lost quite a bit of weight by dieting, but I could tell I was losing muscle mass fast. Age was getting me. I was satisfied just being a skinny old guy, but came to CrossFit to add a little muscle back on. It was not fun being weak and unable to enjoy activity with my family. A skinny old guy with a little bit of strength? I've changed my goal. One year later, with the help of Vaz and the coaches here, I am well on the way to being stronger as a 60+ man than ever before in my life. I'm doing handstand push ups, Olympic-style weightlifting, double-under jump ropes, pull ups, 24" box jumps, rope climbs, and more. I've learned that I can build strength as an older guy as well as I could when I was younger. I just had to work at it. And it has been great exercising alongside younger men and women. The mix of ages and community makes the workouts a challenging pleasure. Strengthening and helpful nutrition challenges have set me on a course to enjoy an active life. Thanks, Vaz and our great coaches - Chona, Rocky, Andrew. You guys are fantastic!

    Brenden S.

    I participated in their 6 week challenge. The owner and head coach Vaz provided a specific and easy to follow meal plan and had us come in for three workouts a week. The workouts are quit challenging and all of the coaches are very knowledgeable and supportive. Within those six weeks I lost about 5.7 percent of my body fat by following his meal plan and workout routine. Here are the before and after photos. I didn't have abs before the program started.

    Anthony A.

    I participated in the 6-week, transformation challenge. I, not only wanted to lose weight, I am also training for a marathon. After meeting with the owner, I knew Vaz could help me. I've attempted several times to qualify for the Boston Marathon but failed. I knew I would have to do something different for this training cycle if I wanted a different outcome. I followed their meal plan and workouts and I lost a total of 21 lbs. Vaz and his staff are knowledgeable and focus on proper technique and form, which I appreciate because I'm fairly new to CrossFit/Olympic style movements. My race (California International Marathon) is this weekend and I couldn't be happier with the results. I recommend CFCV wholeheartedly!

    After almost a year of working out at CFCV, I am very pleased with my progress!! Thanks Crossfit Crescenta Valley!!!

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    6 months ago

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    2 years ago

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    1 year ago

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    3 years ago

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    4 years ago

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    4 years ago

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    14 years ago

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    8 years ago

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    10 years ago

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    8 years ago

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    9 years ago

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    11 years ago

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    9 years ago

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    9 years ago

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    9 years ago

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    8 years ago

    I very much like the gymnastics classes in CrossFit Crescenta Valley, the staff are very professional workers.

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    8 years ago

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    11 years ago

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    13 years ago

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    9 years ago

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    11 years ago

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    Review Highlights - DEFCON Athletics

    Vaz is passionate about his work and is truly dedicated to helping his clients reach their fitness goals.

    Mentioned in 21 reviews

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    Kamp Kato has become my new favorite weekend ritual! I am not a morning person at all but getting a…read moretough workout in seems to always start my weekend off right! Ryan and his team participate in the workout and are constantly checking everyone's form. From the team to the other people in the class, everyone is friendly and engaging. We always break up into groups which helps you get to know other people in the class. I'm a bit shy and socially awkward so helps lessen my nerves! I started my lifting journey in 2020. Before lifting I did a lot of cardio so sometimes, my workouts can get stale since I have a high endurance. Going to Kamp Kato on Saturday keeps me on my toes, allows me to learn new workouts and make new friends! Whether you're currently with a trainer or taking classes elsewhere, Kamp Kato is a must-try!

    When I say 5 stars, I mean F I V E…read more S T A R S KAMP kako is like no other! The camaraderie is unmatched! The environment is supportive, positive, & let's not forget FUN! You're going to get your a** kicked but you're going to feel like a bada** afterwards! The sense of accomplishment and support Ryan (trainer) gives each person individually does not go unnoticed! He allows everyone to go at their own pace, which is the best part. It's a perfect class for beginners or pros. all are welcomed Everyone is so sweet, energetic, and motivating! Try everything once before you say no! So come workout, because you're not going to regret it, I mean maybe a little but only bc you're going to get the best workout of your life! You'll leave sweaty & wake up sore If you're not at KAMP KAKO then where the F you at

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    ToughGirl Bootcamp is amazing! I've been coming for a little over a year. I love that they have…read moreclasses all throughout the day because my schedule is always changing. The classes are motivating and challenging. My favorite part of the program is that you get to meet up once a month with a coach to set exercise and weight loss/body fat goals. You can set any goals that you want to work on. My coach is April. She is absolutely amazing! She is always encouraging, energetic and motivating. She truly cares about how I'm doing and is always there to answer questions and keep me on track. I take Dawns classes a lot and they are great! Rami and Alicia are also amazing. We always get a total body workout. Each class is always different and new. They also have occasional ToughGirl hikes! As well as workouts in the park. The environment is very positive and also family friendly. The whole staff is always nice and helpful. They keep the whole place really clean. Amazing bootcamp! Five stars!!

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    I've only tried a few HIIT type of classes in my life and have a class package for another place up…read morethe street that starts with B. After attending Stride, I'll probably switch over to this studio instead. First off, I really like that Stride is inclusive to all fitness levels and give options for both walkers and runners. It has a range of different treadmill levels for Levels 1-4. This allows me to self-regulate and go easier or faster depending on how I'm feeling that day. This allows me to sufficiently warm up and I feel like I'm getting the most out of my workout. You only switch once during the combo so I definitely can take my time and do quality reps. Seriously there is nothing more annoying that switching between workouts super quickly and I don't even have time to catch my breath so please keep this format!

    Today I've hit my 200th class with Dollar so I'm updating my review to chat about Stride 2.0! Just…read morethis month, they increased the 'gym' space by removing some of the waiting area space. Game changer and much better use of space. I've been liking this new format because it added room for the strength and weight-training portion of the class. The benches are really nice and each bench has your own set of weights ranging from 7.5 to 25 pounds. Not having to get the weights you think you'll need for class is really helpful. For me, I still average around 2-3 miles per Combo class and that's perfect for me. This new format helps me hit more muscle groups than before! I also like the screens showing the strength moves on the strength side so it's easier to remember. Instructors and staff are all still amazing and welcoming. Definitely a class worth checking out!

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    DEFCON Athletics - healthtrainers - Updated August 2026

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