Adventure Fitness Athletic Club

Gyms | Thornton, CO

about this business

No matter what your fitness level, Adventure Fitness has an adventure for you, in a comfortable environment where you set the pace. We know everyone's fitness adventure is different and that's why we want want to make it personal. We offer a wide variety of customized fitness programs. Our personal trainers can help you customize your personal fitness adventure. Give us a call to learn more or visit us online at

additional information

Hours of Operation

  • monday 5:30am - 8:00pm
  • tuesday 5:30am - 8:00pm
  • wednesday 5:30am - 8:00pm
  • thursday 5:30am - 8:00pm
  • friday 5:30am - 8:00pm
  • saturday 8:00am - 2:00pm


  • Kick boxing
  • Kid/Adult parties
  • Kids Kraze
  • Personal Training and group classes
  • Pilates Training
  • Power lifting
  • Rock Climbing
  • Work-It-Outs
  • Yoga
  • Zumba


  • 2 Weeks Free Gold Membership Trial

Payment Types

  • American Express
  • Check
  • Cash
  • Discover
  • Mastercard
  • Visa


  • I am not a gym person at all, but these guys make me feel so comfortable and so welcome! The facility is very clean, spacious but not huge, with high-end new equipment of all sorts, and a variety of classes to attend if desired... Did I mention that this place is never crowded? I love that this facility has provided me with my personal space while trying to exercise - it is NOT an overcrowded "mass gym" where there are 25 treadmills in a row and 24 of them are occupied at the same time... Feels very good to have the area for yourself once in a while! I really enjoy working with my trainer, who has been very knowledgeable and helpful. I have absolutely found my place to exercise, and without a doubt, I highly recommend everyone to stop by and check it out!
    Svetlana A.

  • I love this gym! It is not too big, not too small...just right! All of the equipment is modern and new. The staff is so friendly, always helpful and there is no "gym-timidation". There are several classes every day with tons of variety. I highly recommend checking it out. Harmony N.

  • Incredible gym with incredible staff. You're not just a number here like at some of the big box gyms. Personal attention is amazing; they helped me develop a fitness plan designed just for me. Love the fitness classes. Love all the cool new stuff to try. Equipment is top notch in great shape, and not too crowded. Everything is super clean. Really grateful to have this local spot over all the national chains. Steven P.

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Adventure Fitness Athletic Club location & information

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12301 Grant St #210
Thornton, CO 80241
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