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5:45AM - 6:30PM
1609 Coalton Rd, Superior
Gyms
“PT Josh has been amazing. Our son has been training with him this past hockey season. We have noticed a significant improvement in strength, overall physical presence on the ice. Josh is easy to work with, and connecting the training to in sport goals. Highly recommended.”
“Great spot. Classic iron gym, but clean and approachable. Lots of hard work getting done here. Places like this are special. Keep the fire alive. Thanks for being here.”
5:15AM - 5:45PM
16255 W 64th Ave #3, Arvada
Gyms
“In just 30 minutes you get a great workout, knowledgeable Coaches who care about you and a community that cheers you on. I can't recommend this place enough ??”
5:30AM - 6:30PM
3000 Airport Dr Building 502 A, Erie
Gyms
“Been a member for ~1 month. Never done CrossFit before. Everyone is really supportive and encouraging. Coaches are extremely patient and quick to make adjustments as needed, which I greatly appreciate.”
Open 24 hours
4770 Pearl St STE A, Boulder
Gyms
“Customized Nutrition & Exercise Gym really offers it all. 24/7 access allows for flexibility with workout schedules, the equipment is all up to date and covers all your needs, there’s space for yoga and stretching along with cool down areas after a workout, and ample personal training options too to improve your own exercise habits and routines. Really it’s a perfect place for exercising.”
6AM - 1PM 4 - 8PM
14701 W 65th Way Suite 1, Arvada
Gyms
“Surge Kickboxing offers an incredible workout experience! The trainers are supportive and knowledgeable, making every session both challenging and fun. I’ve seen great results in my fitness journey, and the community atmosphere keeps me motivated. Highly recommend!”
5:15AM - 7:30PM
740 S Pierce Ave #5, Louisville
Gyms
“I occasionally drop in for a day pass to workout with my brother. The community and coaches always make it a great experience. Easy to fill in and everyone is very welcoming plus it’s always a good well led workout.”
“Widespread Fitness has been an awesome gym to join. Everyone has been incredibly welcoming, and Coach Matt is fantastic. I really appreciated the six 1:1 sessions before joining group classes. It helped me learn proper form, build confidence, and not feel overwhelmed. The small class sizes are a huge plus and make the coaching feel very personal. Highly recommend!”
6AM - 7PM
3161 Walnut St, Boulder
Gyms
“Everything about this gym is special - the classes, instructors, staff, and studio are all absolutely amazing. I could not recommend a gym more. Kondition has provided me an amazing community that I love so dearly and reignited my passion for fitness. THE BEST!!!”
5AM - 6:45PM
1285 E 1st Ave, Broomfield
Gyms
“Love this orangetheory location! I like that you can warmup before classes because they stagger classes. I appreciate Lexi & Becca introducing me back to Orangetheory in Dec & I love their classes! Glad to be back, highly recommend!”
5AM - 7:30PM
3000 Airport Dr # 301, Erie
Gyms
“I had the opportunity to take a drop in class and it was awesome! The coaching, environment, and work out was incredibly positive! I hope to attend anything class soon!”
“I started going to Crossfit Arvada around four years ago in order to prepare for a few Tough Mudder and Spartan races. I cannot recommend it enough! I immediately loved the change from the basic gym weightlifting routine, since crossfit challenges you with something new every single workout. Since starting here, I have been able to improve my form and weight on every olympic lift while also increasing my endurance. The coaches, starting with Kerry the owner, are very helpful, and are quite comfortable working with each athlete at that athlete's own pace and skill level, allowing for scaling of workouts at times when the athletes cannot do certain moves (for example, I cannot do double-unders or muscle-ups) and there are always alternatives presented and demonstrated by the coaches. Most importantly, I have met some of my favorite people at Crossfit Arvada at the 6:00 a.m. class, and everyone I have met that attend other classes have been very community-oriented, eager to share their workout experiences. I look forward to attending every class I go to, even if it includes burpees. Also, there are some really friendly dogs that come to some of the classes - an added bonus.”
5:30AM - 7:30PM
Next to Sprouts, 2525 Arapahoe Ave, Boulder
Gyms
“Our family was in Boulder on vacation and I just dropped in to CrossFit Sanitas randomly. They were incredibly welcoming and let me know all the things needed before the workout started. Dwight was so knowledgeable and Tyler was very thorough, dedicated to the class schedule, and above all else encouraging and quick to point out correct form and technique.
I would highly recommend CrossFit Sanitas to anyone!”
5AM - 6PM
460 Jones Ct #104, Erie
Gyms
“CFE is just a delight. The community is friendly and encouraging, and you can feel at home regardless of ability or fitness level. The programming is challenging and varied and the coaches really care about safety and pushing you to the next level.”
5 - 7AM 9 - 10AM 4:30 - 7:30PM
1300 Centaur Village Dr, Lafayette
Gyms
“RUF No Excuses Challenge with Coach Roy Ulrich - I've participated in several challenges but none since I became handicapped. I saw this one on Facebook and decided to try.
It's been not quite 3 weeks since I joined. Coach Roy does updates on Mondays and Fridays I believe covering different subjects to help us with health
The Nutrition and now the workout update has been very helpful to learn how to meet weight loss goals.
Coach Roy had us find a few accountability buddies to help along our journey. The whole community is very helpful as well
I can't afford the paid RUF app so free alternatives were suggested.
I'm going to invite my best friend to the next challenge
I started at 184lbs
Now at 175.6lbs
My digestive issues are disappearing and sleep is improving”
“Coach Joe is phenomenal - and the workout itself was energizing, challenging and all around really fun. 11/10 recommend coming here. No matter what your level of fitness is you’ll be able to feel strong and make progress!”
“Congratulations to CrossFit Roots on 17 years!
I've been a member for over three years now, and it has genuinely changed my life. The persistent back and knee pain I dealt with for years is virtually gone, and I'm stronger than I've ever been.
I still remember my first day walking into Roots. I was incredibly intimidated, and many of the movements seemed impossible. But with great coaching, patience, and consistency, I've learned, developed, and accomplished things I never thought I could.
Most importantly, this gym is truly for everyone. Every age, every fitness level, and every body type. The coaches meet you where you are and help you become a better version of yourself.
I'm incredibly grateful to be part of this community.
Congratulations on 17 years, and thank you for the positive impact you've had on my life.”
6AM - 7PM
2546 Spruce St, Boulder
Gyms
“I love love love this pilates studio. The instructors, music, vibe, class variety (cardio, pilates, and combo!) are all wonderful! I look forward to these classes every time. The studio is always clean, they have a shower and towels and snacks/drinks for purchase. They've really thought of everything for creating an amazing space forMy one issue is the stringent policies and archaic way of booking/lack of rollover and limited flexibility around it makes it really difficult to understand how many classes you've paid for and when you can book out (I think it is 2 weeks out), to the point that I've dropped my membership due to work travel and inability to come as consistently. I say archaic because you dont have access to see on the Mecha Studio app what classes you have leftover, but need to use the mindbody app instead. The mindbody app isn't great (and this isn't mechas fault!) but needing to use two apps to be on top of rollover is another step and leads to confusion and frustration when, at the end of june, you're sitting on classes you paid for but aren't able to use.They roll over classes up until June and then again December, which is definitely more than some of the other local studios. Anything you still have left you aren't able to use up (aka, lose it) What is bothersome is are not able to see this on the mecha app, but instead need to go into the mind body app to have an idea of whats still available.You aren't able to freeze your membership and use the classes either, so the policy is strict, and there doesn't seem to be any wiggle room at all. The staff have communicated that this is manual, which I can imagine is quite frustrating for them. If that is the case, is it possible to make exceptions or send out comms around this in the future (Friendly reminder to check Mindbody for any classes as any unused will not roll over as of June 30?) For it to be manual for the staff and for the guests, perhaps considering an email reminder to everyone about this.I would love for the studio to reconsider this policy for continual rollover, or update your own app so that this is more transparent and you can book and see availability in one spot and you do not need to go back and forth with someone via email.”
“OTF West Arvada is the best! The coaches are amazing, the workouts varied and fun and the community of members is supportive and inclusive! I could not be happier with my membership.”
5:30AM - 7PM
1729 Majestic Dr #2, Lafayette
Gyms
“I’ve gained 6 lbs of muscle in less than a year under Dan’s personalized program. I’m over 60. Previously spent decades of doing my own weights at home w little result. Dan knows how to grow your muscles.”
6AM - 7:15PM
2480 49th St, Boulder
Gyms
“Hands down the absolute best gym I've had the pleasure of working out in! The owner Monique cultivates a welcoming atmosphere of warmth and positivity. Boulder CrossFit is the perfect gym for athletes of all shapes, sizes, and fitness levels and provides an extraordinary amount of expertise and support whether you are an absolute beginner or seasoned CrossFit veteran. I couldn't imagine working out anywhere else!”
“Visiting from out of town and did a one day guest pass for $30. Great clean facilities with plenty of equipment. Staff was really friendly. Could definitely see myself joining if I lived in Boulder.”
“Love this gym! The coaches are so encouraging and the front desk staff are always super friendly. I’m leave feeling better than when I walked in every time!”
“Best Lagree classes in Denver! Hardest classes but such a great community of women! I go twice a week now after I broke my foot in January and needed two surgeries. I’ve never seen a quicker change in my physique and strength. So grateful for these instructors !!!!!”
“Great CrossFit gym! People were friendly and coaching from Randy was amazing. Dropped in while in town and so glad I did. I’ll be back!!
Hannah Lesley 🫶🏼”
7AM - 1PM 5 - 7:30PM
1840 Commerce St, Boulder
Gyms
“Training at Alpine Training Center has been a game-changer for me. The environment is incredibly supportive and accepting—no ego, just a community of people working hard and cheering each other on. Since starting personal training here, I’ve summited five mountains, including my most recent peak at over 20,000 feet—and I’m over 50!
The programming is smart, challenging, and tailored to help you build real strength for real goals. Whether you're training for the mountains or just want to be stronger and more capable in everyday life, ATC delivers.
I can’t recommend this place enough. It’s not just a gym—it’s a community that pushes you to become your strongest self, inside and out.”
“Fantastic service! From the staff seeing us open our car door to help grab party supplies, to the easy check in process to get a wristband, and finishing with the engaging games/activities, Finn was absolutely great — friendly, professional, and especially wonderful with the kids. Finn went above and beyond to make sure everything was perfect. Highly recommend booking your birthday party here!”
6AM - 6:30PM
3240 Pearl St, Boulder
Gyms
“I'm still fairly new to Boulder, and I tried multiple gyms to find the best fit. I felt right at home at Boulder Athletics. People were so welcoming and friendly, it was easy to want to return. The coaches are kind and knowledgable. I had some health issues and there was a period of time when I couldn't attend classes. Kelsi was so compassionate and willing to work with me so I could use my classes once I was ready to return. I'm beyond grateful. It is such a welcoming community and I'm excited to jump back in. Thank you Kelsi and Park for being great people as well as great business owners.”
“Affordable, friendly, comfortable gym with ALL the equipment and no creeps :) Plus a cute corgi mascot who greets me for (almost) every workout.
I've been working out here for ~7 years and greatly benefitted from the bodywork and personal training offered. I've learned so much; I started as a shy and nervous person who hadn't lifted weights since high school. Now I feel comfortable going into any gym and knowing exactly what to do.”
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“I moved to Colorado 4 months ago and had always wanted to give CrossFit a try. I was very lucky to find Sup Town CrossFit, which has a great balance of a fun, welcoming atmosphere and high-tempo, high-quality training.
Nick is a brilliant coach who does an excellent job of managing group workouts while still giving individually tailored advice on lifts and areas that need improvement. That balance of encouragement and attention to form leads to consistent progress over time!
The workouts are carefully planned and strike a great balance between resistance training and cardiovascular fitness. The ability to scale workouts also means the classes cater to everyone, from complete beginners to competitive athletes.
I would highly recommend it to anyone who is new to the area or simply wants to give CrossFit a try and isn’t sure where to start”