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58 HIIT Studios in Denver
  • Pearl Street Fitness
    Strength Training

    Pearl Street Fitness

    1107 S Pearl St, Denver
    4.9
    (5000+)
    more info

    PSF Conditioning

    Here’s the thing..... it’s really f*%in hard but even if it’s your first day back; it’s OK! Friday is leg day and today (Saturday) I can’t feel my legs so try it! Good combo of legs and booty which every chick loves! Cory is energetic, encouraging, knowledgeable, and fun! Try it; your lower half will thank you :)
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    ABOUT Get ready to sweat! Get ready for intensity. Never do the same workout twice…
  • Compass Fitness
    Strength Training

    Compass Fitness

    2059 S Broadway, Denver
    4.9
    (5000+)
    more info

    Down + Dirty

    The Compass crew is great and very welcoming. Love having the ability to do a strength - focused class and access to heavier weights. The workout was sneaky difficult. The space is open, fresh and well lit. Cory, as always, is top instructor.
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    Your fitness journey begins here. Compass Fitness provides an exceptional community…
  • Fitness in the City
    Yoga, Strength Training

    Fitness in the City

    1212 Delaware St, Denver
    4.9
    (5000+)
    more info

    Power Hour (Total Body)

    That was one of the best classes! Natalie is so encouraging and motivating and for it being my first time doing this type of work out I thought extremely comfortable. She explained all the moves well, and I really enjoyed the variety of exercises. We did a circuit
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    FITC is a commented focused fitness experience based on real-time needs. Our team…
  • The Rebel Workout
    Cycling, Strength Training

    The Rebel Workout

    324 S Broadway, Denver
    We are a rebel tribe. Our REBEL Workout team is comprised of students and teachers…
  • Endorphin
    Yoga, Cycling, …

    Endorphin

    3210 Tejon St, Denver
    4.8
    (5000+)
    more info

    Functional Indoor Cycling

    If I could post a picture of the amount of sweat dripping off my body, I would! Such a fun, intense and great energy class to start your Saturday! It was a combo teacher day with Caroline and Caleb and man was it fabulous! Great tunes as well!
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    Endorphin is a community that embraces a lifestyle of challenging movement to continually…
  • Endorphin
    Cycling, Strength Training, …

    Endorphin

    2738 S Broadway, Englewood
    4.8
    (1000+)
    more info

    Functional Indoor Cycling

    I enjoyed this class. Ray took the time to introduce himself and was very nice. I was able to set up my bike on my own because I have used this type of bike in a few other cycling classes. They have monitors on the bikes which I greatly appreciated (not every studio does). Ray led a challenging yet accessible class. He was motivating and encouraging without veering into that "rah rah" cheerleader/motivational speaker/life coach style that is so commonplace in indoor cycling classes nowadays. The music was a good mix of alt rock with a couple of pop songs and oldies thrown in. I would definitely come here again.
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    Endorphin is a community that embraces a lifestyle of challenging movement to continually…
  • The FAB Method
    Strength Training

    The FAB Method

    5940 S Holly St, Englewood
    4.9
    (1000+)
    more info

    FAB Full Body

    This was my first ever Pilates class and it humbled me. I was the only person in class so I got 1:1 attention from the instructor and quivered and shook throughout the hour. The studio is beautiful and the equipment is clean.
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    FAB Method is a unique, fast-paced fitness program combining the best of contemporary…
  • HIIT Circuit Training
    Strength Training

    HIIT Circuit Training

    1525 Raleigh Street , Suite 120, Denver
    4.9
    (1000+)
    more info

    22

    Interesting set up! Interval training, but all automated through videos and timers on a screen. The class felt like it went by quickly because you knew what was coming and exactly what was left. Pretty tough class, got a great workout in, Monday’s are cardio. It was less personal than the classes I go to since the coaches just help you follow the screen and move around the stations correctly.
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    HIIT Circuit Training is a premium group training facility, offering Functional HIIT…
  • Fierce45
    Pilates, Strength Training

    Fierce45

    1610 East Girard Place, Englewood
    4.9
    (1000+)
    more info

    SOexperience Fierce Movement - High Intensity Pilates

    The headphones helped me tap into my body. Caitlin’s cues were great, and music was awesome!
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    Fierce45® is Denver's Premiere High Intensity Pilates Studio that combines high-intensity…
  • Endorphin
    Cycling, Strength Training

    Endorphin

    3115 E Colfax Ave, Denver
    4.8
    (5000+)
    more info

    Functional Indoor Cycling

    Best instructor I have had thru Endorphin, she actually went up to new faces before class and asked if anyone needed help with the bikes and such. The other 2 instructors I had at Lowry never bothered to make people feel welcome. great energy and a great sweat!!
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    Endorphin is a community that embraces a lifestyle of challenging movement to continually…
  • Endorphin
    Yoga, Strength Training, …

    Endorphin

    3170 E Colfax Ave, Denver
    4.8
    (5000+)
    more info

    Yin Yoga

    I thought this wouldn't be nearly as good as dedicated yoga studios since they have so many different activities, but I was pleasantly surprised. Nice space and a very welcoming, helpful teacher. Can't wait to check out their other yoga classes.
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    Endorphin is a community that embraces a lifestyle of challenging movement to continually…
  • SPENGA
    Strength Training

    SPENGA

    8181 Arista Place , Suite 115, Broomfield
    4.9
    (500+)
    more info

    SPENGA

    I loved this studio. They are so inviting, welcoming, upbeat, and helpful from the moment you walk in. The gym is clean, and state of the art. The class itself was a perfect mix of cardio, and strength, ending with a yoga cool down. Exceptional experience all around. This is the gym I would choose to purchase membership if I didn't use ClassPass.
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    SPENGA combines three essential elements of fitness to create a great workout. This…
  • Fierce45
    Pilates, Strength Training

    Fierce45

    2100 West Littleton Boulevard, Littleton
    4.9
    (1000+)
    more info

    Fierce Movement - High Intensity Pilates

    This was such a challenging class - from the first minute my muscles were shaking! But the class didnt feel like I was wearing myself down, rather pushing myself and building myself up! I left feeling challenged, uplifted, and inspired to keep on coming back!
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    Fierce45 is a High Intensity Pilates studio. They are for everybody and every body…
  • Duality
    Yoga, Strength Training

    Duality

    4635 West Colfax Avenue, Denver
    4.9
    (500+)
    more info

    DualityResCon

    Loved the class and loved taking Jessica’s class! The movements, cardio and strength made me feel alive leaving (& also sore and sweaty, but hey, yknow)!
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    From a high-intensity workout to a centering yoga class, Duality offers it all in…
  • Endorphin
    Cycling, Strength Training

    Endorphin

    10155 E 29th Dr, Denver
    4.8
    (1000+)
    more info

    HIIT

    Great class it was easy to follow along and I wasnt overwhelmed by tons of different stations and different exercises like most Hitt or Boot Camp classes. It was the perfect amount . Im glad this location added more classes besides cycling I will be back !!
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    Endorphin is a community that embraces a lifestyle of challenging movement to continually…
  • Flywheel Sports: Stadium Cycling
    Cycling, Strength Training

    Flywheel Sports: Stadium Cycling

    1900 17th St, Denver
    Flywheel indoor cycling classes offer unmatched performance tracking technology,…
  • Balm Fitness
    Strength Training

    Balm Fitness

    5915 S University Blvd, Littleton
    4.9
    (500+)
    more info

    Balm FIIT

    Challenging. Just what I needed. Amy really pushed me. Also, Amy was excellent in the fact that she treated the group equal though she knew obviously knew others. She grouped her comments like “way to go GUYS, looking good! You are doing great. LET’S keep it up and push!” This, to me expresses a knowledgeable and aware instructor. This “team talk” sort of approach is sure to encourage everyone as a whole and that is cool. I think calling out people you know and commenting on their form individually and how well they are doing without doing it equally for everyone else is no good. Way to go Amy. Great energy.
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    Balm Fitness' boutique studio features carefully crafted workouts designed to flatter…
  • Fierce45
    Pilates, Strength Training

    Fierce45

    335 Holly St, Denver
    4.8
    (1000+)
    more info

    Fierce Movement - High Intensity Pilates

    This was my first class at this studio. I've heard nothing but raving reviews from my friends so I finally decided to give it a try. So glad I did.. Kellie was awesome at orienting me to the class structure and providing modifications when necessary. It was also a super hard Pilates class. I've been to many in Denver and this one just blew them away
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    Fierce45® is Denver's Premiere High Intensity Pilates Studio that combines high-intensity…
  • Carbon Fitness Denver
    Yoga, Pilates, …

    Carbon Fitness Denver

    595 East 19th Avenue, Denver
    4.7
    (500+)
    more info

    HIIT

    Nice mellow HIIT class that worked me out but didn't make me feel like I was going to die. Plenty of options to make it more difficult if needed. Nice instructor who gave good direction! I'll definitely go back!
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    A strength focused studio, offering a wide range of classes including HIIT, strength…
  • PUSH GYM
    Strength Training

    PUSH GYM

    38 E 5th Ave, Suite 180, Denver
    4.8
    (1000+)
    more info

    PUSH-PULL HIIT Combo

    I think this gym has a lot of positive attributes- small groups and you can tell the trainer knew each person very well. Its was a little chatty and slower paced than other classes in
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    PUSH GYM is a health and wellness studio, offering small group fitness, personal…
  • Hydrate IV Bar
    Strength Training

    Hydrate IV Bar

    753 South University Boulevard, Denver
    4.9
    (100+)
    more info

    B12 Injection

    Quick and easy. Everyone there was really great. Said it lasts two weeks.
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    Hydrate IV Bar is one of Colorado's premier IV therapy and hydration clinics. As…
  • Fitrition
    Strength Training

    Fitrition

    5058 South Syracuse Street, Denver
    4.8
    (100+)
    more info

    Buti Barre

    This place is super cool ! Loved that they have shakes after class . I do Buti yoga regularly and was expecting some Buti element in this class but it was just a regular barre class. The name should be changed . It was a great class however !
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    Fitrition is not only a gym but a fast growing fitness community. They have taken…
  • Concierge Combat Fitness
    Strength Training

    Concierge Combat Fitness

    4955 South Ulster Street, Suite 106, Denver
    4.9
    (100+)
    more info

    HIIT40 Boxing Class

    Fastest 30 mins ever. I was bummed when it was over!
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    Concierge Combat Fitness is a modernized concierge fitness gym that is located in…
  • Flywheel Sports: Precision Training
    Strength Training, Barre

    Flywheel Sports: Precision Training

    1900 17th St, Denver
    4.9
    (100+)
    more info

    FlyFIT: Total Body 45

    Lauren is so motivating and has the best teacher voice I’ve ever heard! I always appreciate the option to modify movements and the push rounds! Lauren also does an amazing job correcting form which makes me know that I am getting the best workout I can!
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    FlyFIT (Total Body 50, Upper Body & Core 50). FlyFIT (Functional Intense Training…
  • Impact Sports Performance
    Strength Training

    Impact Sports Performance

    1 Superior Drive, Unit B, Superior
    4.9
    (100+)
    more info

    Total Body Circuit

    Nick was awesome! Gave great constructive feedback on posture and was social with new people which isn't something I encounter often after attending over 80 classes on class pass around the US. The facility can be a little tricky to find. The Front desk staff could use a reminder to inform new people of where basic things are such as bathrooms, cubbies/ lockers, and water fountains.
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    Impact Sports offers customized, sport-specific programs that help you become a better…
  • FIT36
    Strength Training

    FIT36

    11153 S Parker Rd, Parker
    4.9
    (100+)
    more info

    Pulse36

    I was the only person in the class and basically got a personal training session. Great workout-I was gassed at the end!
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    FIT36 is an intense 36 minute workout that can burn more calories than your current…
  • FAST, Fitness and Sports Training
    Strength Training

    FAST, Fitness and Sports Training

    5450 Wadsworth Bypass, Arvada
    4.8
    (100+)
    more info

    Crossfit/Performance

    The performance workouts are pretty intense and love them!
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    Experience the difference at FAST. The minute you step into their facility you will…
  • Catalyst Sports LLC.
    Pilates, Strength Training

    Catalyst Sports LLC.

    15864 W 6th Ave Frontage Rd, Golden
    4.9
    (100+)
    more info

    Catalyst Fitness Class

    Rob was awesome!! Such a fun and active class. All instructors are super great with beginners and walk you through the machines if need be!
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    Catalyst's HIIT classes are different every session. Our total body workout classes…
  • Centennial CrossFit
    Strength Training

    Centennial CrossFit

    7939 E Arapahoe Rd , Ste 100c, Greenwood Village
    4.7
    (75)
    more info

    Crossfit

    Awesome strength and cardio combined workout!
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    Crush your goals with their full selection of top-of-the-line CrossFit equipment…
  • Inward Fitness
    Strength Training

    Inward Fitness

    3900 E Mexico Ave, SUITE GL-10, Denver
    4.8
    (100+)
    more info

    Inward 360 - Ski and Snowboard Conditioning

    Jacquelyn was great encouraging and motivating. Loved the positive comments on the end thought wall, and was inspired by the words painted around the top of the room. Solid equipment+gear choices. Felt awesome to be back at it.
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    Inward Fitness is an upscale fitness studio with a community culture that delivers…
  • Koko Fitclub
    Gym Access, Strength Training

    Koko Fitclub

    6231 East 14th Avenue, Denver
    4.7
    (100+)
    more info

    Koko HIIT Class

    Lowest intensity HIIT class I’ve taken, but still good workout. Seems to be geared towards women over 40, very gentle, lots of slow directions, lots of standing around.
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    Koko Fitclub is an alternative to mainstream fitness. You want to be fit, but traditional…
  • MJ Fit
    Yoga, Strength Training

    MJ Fit

    6858 South Yosemite Street, Centennial
    4.9
    (44)
    more info

    Strengthen & Tone

    Great workout with MJ! Love that she keeps classes smaller so they feel more individualized. Easy to customize based on your abilities and she really pushes you!
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    MJ Fit is a boutique-style studio exclusively for women and children right near DTC…
  • Vitality Training Studio
    Strength Training

    Vitality Training Studio

    7735 West Long Drive, Unit 16, Littleton
    5.0
    (34)
    more info

    Total Body Burn

    Nice space, pretty small but classes are capped at six participants. This facility looks like ut specializes in personal training. Workout was 95% body weight and surprisingly tough...definitely feel sore the days after. Coach was very friendly, music was good and not too loud. A very nice, local option.
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    Their classes are more like semi-private training. They limit each class to 6 people…
  • The Gym Boutique Fitness & Crossfit Castle Rock
    Strength Training

    The Gym Boutique Fitness & Crossfit Castle Rock

    3196 Industrial Way, Castle Rock
    4.5
    (24)
    more info

    Power Barre

    Full of energy
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    The Gym Boutique Fitness & Crossfit Castle Rock offer over 40 classes per week to…
  • Summit Fitness
    Strength Training

    Summit Fitness

    2000 South Dahlia Street , Suite 300, Denver
    Summit Fitness is focused on YOUR results and they take the time to get to know…
  • Jazzercise Thornton
    Strength Training, Dance

    Jazzercise Thornton

    12301 Grant St. , Unit 160, Thornton
    4.9
    (11)
    more info

    Dance Mixx

    Heather is a great instructor! Love her classes!
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    Jazzercise is a 60-minute group fitness class combining cardio, strength, and stretch…
  • Explore Fitness
    Strength Training

    Explore Fitness

    Club Form Fitness, 1125 17th St, Denver
    5.0
    (100+)
    more info

    Olympic Endurance

    Great bootcamp & circuit style class. Main critique is that the class didn't actually start until about 11:20-11:30a (original start time listed at 11:15a). As a result, our ability to finish all the circuits and stretch was cut short. Please start on time so we can get the most from the session.
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    At Explore Fitness, they'll help you find the strength to enjoy your life, regardless…
  • Sharkk Fitness
    Yoga, Strength Training

    Sharkk Fitness

    5255 Xenon St, Arvada
    4.7
    (10)
    more info

    Pyramids

    Very challenging class but I loved it! Mike was very attentive and the community setting is welcoming and friendly. Will be back
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    Welcome to Sharkk Fitness. Affordable, elite training for motivated clients at every…
  • Paragon Fitness
    Strength Training

    Paragon Fitness

    5894 S. Zang Street, Littleton
    5.0
    (11)
    more info

    Kickboxing

    Friendly, knowledgeable, and helpful with technique.
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    One of Southwest Denver’s premier group class facilities. Their goal and commitment…
  • Sixth Union Fitness
    Strength Training

    Sixth Union Fitness

    304 Inverness Way S, Englewood
    4.9
    (8)
    more info

    Small Group Training

    Mike was awesome; gave wonderfully helpful suggestions on improving form. Will definitely come back!
    see all reviews
    Sixth Union Fitness specializes in quick, long lasting results for all populations…
  • The Fitness Edge
    Strength Training

    The Fitness Edge

    1751 Panorama Point, Lafayette
    5.0
    (6)
    more info

    GetFit

    The community here is really friendly and they are supportive! Highly recommend
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    The Fitness Edge invites you to challenge yourself in a fun environment while reaching…
  • Path Movement
    Strength Training

    Path Movement

    8000 S Lincoln St, #3, Littleton
    5.0
    (9)
    more info

    Ninja Warrior/Obstacle Course Class

    Lots of fun, great and challenging workout that builds muscle in places you never thought possible.
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    This studio is taking some time off to rest and update their schedule. Please check…
  • Performance Ready Fitness Studio
    Strength Training

    Performance Ready Fitness Studio

    9064 Forsstrom Dr., B5, Lone Tree
    ◾️Carla Sanchez, Owner/Trainer ◾️Voted Best Fitness Studio, 2018 & 2019. ◾️PRivate…
  • SNÖBAHN
    Strength Training

    SNÖBAHN

    6955 S York St, #404, Centennial
    5.0
    (5)
    more info

    Parkour — Introductory Safety and Technique Session

    So much fun!! Not great for those who get motion sick easily ????
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    Skiing and snowboarding are no different than any other sport; repetition leads to…
  • Warrior Challenge Arena
    Strength Training

    Warrior Challenge Arena

    3400 Industrial Ln, Broomfield
    4.0
    (8)
    more info

    Warrior Open Arena

    So much fun! Its a unique and challenging experience.
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    Warrior Open Arena gives you a chance to build strength, conditioning, balance, and…
  • The Hunt Personal Training
    Strength Training

    The Hunt Personal Training

    301 Kalamath Street, Denver
    more info

    Foam Roll and Stretching

    Great stretch. Really helped me target the problem areas and gave me exercises I can do at home. Super helpful. Will be coming back.
    see all reviews
    The Hunt Personal Training is a small boutique gym that provides full body stretching…
  • Push Performance
    Strength Training

    Push Performance

    7133 S Dillon Court, Aurora
    Push Performance is a semi-private strength and conditioning facility built by athletes…
  • Squires Fitness
    Strength Training

    Squires Fitness

    4697 E Evans Ave, Denver
    Squires Fitness takes your fitness goals seriously. They understand that losing weight…
  • Genesis Training Academy
    Strength Training, Boxing

    Genesis Training Academy

    6385 West 52nd Avenue , Arvada
    Genesis Training Academy is a great place to visit if you want to get in shape or…
  • Mulberry & Paige
    Strength Training

    Mulberry & Paige

    6981 E. Belleview Ave., Denver
    Audrey Bolema went into aesthetics out of a deep passion to help others achieve their…

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