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    Greg Cornejo

    5.0 (10 reviews)

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    Personal training

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    Review Highlights - Greg Cornejo

    100% recommend I came to Greg as a referral from a friend who had been working with him and got great results.

    Mentioned in 2 reviews

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    HOTWORX - Upland, CA - HOT Blast

    HOTWORX - Upland, CA

    5.0(6 reviews)
    1.3 mi

    I really enjoy this HOTWORX location. When I first decided to try this gym, I went to the one in…read moreRedlands and was a little iffy about subscribing. But when I came to the one in Upland, my experience completely changed. The owners are very welcoming and kind. They're always helpful and respond quickly to questions. You can reach them through social media or by phone, which makes communication really easy whenever I need help. The store inside the gym is a bit pricey, but since it's in the gym I didn't expect it to be super cost-effective. Even though it's pricier than my last gym, I'm okay with just skipping the HOTWORX merch. The gym itself is very clean. The bathroom is wonderful and very female-friendly, they have anti-odor products and emergency items for us ladies, which is greatly appreciated! The decor around the gym is super cute and makes you feel welcomed throughout the space. The equipment is always up to par, and everything feels well maintained. I honestly have no real complaints about this location. The owners here are doing a great job making gym-goers feel welcomed and supported 24/7. The app is also very easy to use when booking sessions. Overall, I'm very satisfied with my membership here.

    Recently signed up for hotworx and I have had such a positive experience. There are so many things…read moreto love about this place! As someone who has gym anxiety hotworx is the place for me. I feel extremely comfortable and feel like I can truly focus on my workouts and improving my health rather than being in a crowded gym. Jarrod and Jenni have created this space to be a safe, welcoming and clean environment. I look forward to continuing my fitness journey here. As much as I would love to gatekeep this place, I highly recommend to anyone interested. Thank you hotworx!

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    HOTWORX - Upland, CA - HOT Cycle

    HOT Cycle

    HOTWORX - Upland, CA - FX Zone

    FX Zone

    HOTWORX - Upland, CA - HOT Core

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    HOT Core

    KacyPerformance - Down 35 lbs !

    KacyPerformance

    5.0(86 reviews)
    9.8 mi
    13 years in business
    Free consultations

    I originally came in just wanting to fix my form and learn how to lift properly, and that's what…read moreI've been getting. Kacy is big on progression and basically operates under the assumption that you can always go up in weight, which has pushed my strength up (especially hip thrusts and RDLs). It's small group training, which keeps the energy up because everyone's working at the same time. He'll keep you accountable and make sure you finish your sets and there's a decent chance you'll leave with a random nickname you didn't ask for but it does keep things entertaining. In my first month I've already seen measurable changes in strength and body composition, so it's been interesting to see the progress show up pretty quickly. Curious to see what the next couple months look like.

    I found Kacy through a friend and started training with him about 6 months postpartum. Before…read morehaving my baby, I ran casually ran a couple half marathons), did some indoor rock climbing, and dabbled with free weights on my own--but nothing too intense. I always seemed to over-strain something and end up injured, so I was pretty hesitant about jumping back into weight training after having a baby. That's when I decided to look for a personal trainer. From day one, I was impressed by Kacy's knowledge and expertise. He has this uncanny ability to gauge exactly how much I can lift just by watching me do a single set--which I'm guessing comes from years of experience, but it's still impressive to see in action. Here's the thing about Kacy that might throw you off at first: he often looks distracted, like he's not paying attention. But don't let that fool you! He's tracking everything--your form, your reps, your timing--and he'll call you out if you're slacking on your sets. It's actually kind of amazing how dialed in he is even when it doesn't look like it. If you're looking for a knowledgeable trainer who will push you and keep you accountable (even when you think he's not watching), Kacy's your guy. Highly recommend!

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    KacyPerformance - 8 weeks of dieting. Loss of nearly 7% BF and 20 lbs overall. Total body recomp

    8 weeks of dieting. Loss of nearly 7% BF and 20 lbs overall. Total body recomp

    KacyPerformance - Down 35 lbs and up 7.5 lbs of muscle

    Down 35 lbs and up 7.5 lbs of muscle

    KacyPerformance

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    United Fitness - 4TH OF JULY WORKOUT!

    United Fitness

    5.0(32 reviews)
    1.0 mi

    This bootcamp gym has been such a great find! Everyday is a different workout, so they never get…read moreboring, and the number of class times offered each day makes it easy to stay consistent. Being open seven days a week is a huge plus. The staff is amazing -- always welcoming, super helpful, knowledgeable, and genuinely encouraging. No matter where you're at in your fitness journey, you feel supported here. The owner is also fantastic and clearly cares about health and fitness. Instead of being outrageously priced, the gym is very reasonably priced because the goal is truly to help people succeed, not just to make money. If you're looking for a motivating environment, great classes, and people who actually care about your progress, I highly recommend checking this place out.

    I. Love. This. Gym! I'm a homeschooling mom of 3 and getting my day started at united fitness makes…read morethe biggest difference for my whole household. I have only had a gym pass once in high school, so basically I walked into this place not knowing what I'm doing at all. I've been going for 2 months now and I'm learning so many different exercises, slowly moving up in weight when I'm lifting and I'm feeling so much better already. The environment is super welcoming to anyone who is new. Coaches look out for you, give pointers and push you to be better. I looked around for a while for a gym to help me get back into shape and I'm so glad I landed here. OH and a huge bonus, your kids are welcome to sit in the lobby during your workout of for any reason you need to bring them with you. That's what I was specifically looking for and what a blessing it's been to find it!

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    United Fitness - INCREDIBLE!

    INCREDIBLE!

    United Fitness
    United Fitness - United Fitness

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    United Fitness

    Greg Cornejo - healthtrainers - Updated May 2026

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