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    Greg Cornejo

    5.0 (11 reviews)

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    Personal training

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    Easy going and friendly while professionally aggressive about getting you to your goals. Cannot recommend enough.

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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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    BAD ASH Personal Training & Nutrition

    BAD ASH Personal Training & Nutrition

    4.4
    (66 reviews)
    2.3 mi

    Super upsetting. I showed up to a 7 am class that I signed up for the day before and the studio was…read morelocked when I came. Waited 15 mins and then left, never coming back again

    I met Ash on Saturday, 04/29/17, based on a Facebook post advertising a free 6 week workout program…read morefor women in the Upland area. I also knew of Ash from another gym where she trained. When I met with her, she told me it was completely free, but required a $500 deposit that would be returned to me if I met my goal at the end of the program. I told her I wasn't comfortable with that since it was advertised as free. I let her know I needed time to think about it and that I would like to discuss with my husband. Her response was to "call my husband now" because she needed to know since the program started on Monday. Even more uncomfortable, I left and did not join. It was clearly false advertising, a money grab, and her tactics were manipulative at best. I would get occasional emails and texts from Ash. Once I unsubscribed from her emails, the texts really started coming in. I blocked each number but somehow a new number would text me. In December 2019, her texts started again and she was sending text messages at 3:05 AM. I again blocked the phone number. Last night, I received another text from a fifth phone number. I texted the number back in an attempt to express my dissatisfaction one on one and never received a response. I am now leaving this review, because after 3 years, I have had enough. This is another request to be removed from all communication with you. I recommend Ash be upfront about her financial expectations from new clients. She should attempt to advertise true and accurate information about her programs instead of luring and scamming people. I hope this review makes people aware that at the heart of it, Ash is interested in your money, not your health.

    Photos
    BAD ASH Personal Training & Nutrition
    1 year transformation!
    1 year transformation!
    BAD ASH Personal Training & Nutrition

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    Fitness Underground

    Fitness Underground

    4.9
    (55 reviews)
    1.0 mi
    Family-owned & operated
    Established in 2017

    I was in the area and I was looking for a gym that was a little less crowded and this exceeded my…read moreexpectations. I saw the reviews for this place and decided to call and get a day pass. It's true that people are more respectful at this gym because when I walked in everything was clean and everyone was wiping things down and re-racking their weights. It makes for such a better lifting experience when everyone respects the equipment and facility. You sign up on an app and you beep in via a bluetooth system which was convenient for my early morning lift. I even got to meet the owner Ian, and he was cool and helped me get a day pass fast which was great! I intend to come back here! 10/10.

    I have been going to Fitness Underground for a year. The gym is designed with a focus on power…read morelifting and overall strength training. I was especially interested in lifting heavy weights but I wanted an experienced person with me to avoid injuries. I was in need of a personal trainer to help me achieve my fitness goals. I had a great experience training with Denisse! She was incredibly personable, encouraging, and made every session enjoyable. She paid close attention to my form, provided helpful corrections, and explained everything clearly, which gave me the confidence to lift heavier weights safely. I left each workout feeling stronger and more capable. I highly recommend her to anyone looking for a knowledgeable, supportive, and motivating personal trainer.

    Photos
    Main Gym Area. Dumbbells, cables, plate loaded and selectorized machines, squat racks, turf area
    Main Gym Area. Dumbbells, cables, plate loaded and selectorized machines, squat racks, turf area
    Fitness Underground
    Excellent equipment, check out this Leg Machines

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    Excellent equipment, check out this Leg Machines
    HOTWORX - Upland, CA

    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!

    Photos
    HOT Cycle
    HOT Cycle
    FX Zone
    FX Zone
    HOT Core

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    HOT Core
    Kacy Performance

    Kacy Performance

    5.0
    (86 reviews)
    10.5 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.

    My girlfriend had been working with a conditioning coach for some time but saw minimal results. We…read moredecided to shift focus and look for a strength-based training approach, which is when we found Kacy. We met with Kacy in person, where he clearly explained how his program works, reviewed pricing, and discussed the nutrition expectations that accompany the training. He was very straightforward, professional, and understanding--especially recognizing that it can be difficult to transition away from a previous coach. Training began shortly after. Sessions can be busier during certain days and times, typically running 60-90 minutes, with multiple clients training simultaneously. Despite this, you receive excellent value for the cost. The pricing includes gym access, which is a great benefit. Kacy maintains a professional environment while keeping sessions engaging, motivating, and appropriately challenging. It's important to note that this is primarily a group training format. While Kacy provides guidance and instruction, he is not overseeing every single repetition. For those who are completely new to lifting, discussing one-on-one sessions would be beneficial. Overall, we highly recommend Kacy. Thank you, Kacy, for your patience, professionalism, and continued support

    Photos
    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
    Down 35 lbs and up 7.5 lbs of muscle
    Down 35 lbs and up 7.5 lbs of muscle
    Kacy Performance

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    United Fitness

    United Fitness

    5.0
    (33 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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    INCREDIBLE!
    INCREDIBLE!
    United Fitness
    United Fitness

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    United Fitness

    Greg Cornejo - healthtrainers - Updated August 2026

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