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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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    Ask the Community - Greg Cornejo

    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
    BAD ASH Personal Training & Nutrition - 1 year transformation!

    1 year transformation!

    BAD ASH Personal Training & Nutrition

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    Fitness Underground - Another view of the gym featuring a spacious dumbbell area.

    Fitness Underground

    4.9(56 reviews)
    1.0 mi
    Family-owned & operated
    Established in 2017

    Recently was buzzed in for a day pass and it's clear the owner, Ian, care a lot about his…read morepowerlifting gym. It's well equipped (6-8 benches with safety racks, 3+ deadlift stations, a couple of squat racks, a decent amount of machines) and has calibrated plates for competiton. Also, it's indoors with central air and super clean! Some cardio machines as well. It's the only dedicated powerlifting gym I've seen in the area. Unfortunately it's just a hair too far to be practical for my training but I wish I could be a member here.

    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.

    Photos
    Fitness Underground - 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
    Fitness Underground - Excellent equipment, check out this Leg Machines

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    Excellent equipment, check out this Leg Machines

    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!

    Photos
    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

    Kacy Performance - Down 35 lbs !

    Kacy Performance

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

    By far a great experience to be training with Kacey, after researching online for a trainer who…read morecould help me out with my goals I came across his website. Seeing all the good reviews and results of his clients I was convinced to make a consultation with him and definitely couldn't have made a better Choice. I'm 23 years old never lifted weights and I was a bit nervous going in but he's very professional, patient, and great at communicating with the routines, with your form, and nutrition. I've been training with him for about 3 months now and I'm just so thrilled with the results I was able to loose 7.2 percent of body fat and gained about 3 pounds of muscle. Like I said I've never done weights beforehand and for me it's a great accomplishment, can't wait for future results!

    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.

    Photos
    Kacy Performance - 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

    Kacy Performance - 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 - 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!

    Photos
    United Fitness
    United Fitness - INCREDIBLE!

    INCREDIBLE!

    United Fitness - United Fitness

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    United Fitness

    Greg Cornejo - healthtrainers - Updated September 2026

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