Thornton, Colorado Call: (303) 920-2030 Mon–Fri 4am–8pm | Sat 5am–2pm | Sun Closed

CONTACT OUR GYM

Contact Our Thornton Gym Today!

Have questions about memberships, classes, cryotherapy, or personal training? Our team at Adventure Fitness Athletic Club is here to help.

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Everything You Need to Reach Us

Address

Adventure Fitness Athletic Club

12301 Grant St. #210 

Thornton, CO 80241

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Phone

Hours

Mon-Fri: 4:00am-8:00pm   

Sat: 5:00am-2:00pm   

Sun: Closed

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We’d Love to Hear From You

Reach out with questions about memberships, assessments, amenities, classes, or scheduling. Fill out the form and our team will get back to you.


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Find AFAC in Thornton

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Plan Your Visit

We’re here early and open late during the week to make it easier for you to fit fitness into your schedule.

  • Monday-Friday: 4:00am-8:00pm
  • Saturday: 5:00am-2:00pm
  • Sunday: Closed

Why Visit AFAC?

When you visit Adventure Fitness Athletic Club, you’ll find more than just equipment. You’ll discover a welcoming fitness community, premium amenities, and a team that truly wants to help you succeed.


    •    Locally owned and operated
    •    Supportive atmosphere
    •    Premium equipment and amenities
    •    Convenient Thornton location

300+ 5-STAR REVIEWS • TRUSTED ACROSS THORNTON AND NORTHGLENN

“Friendliest staff! Everyone is welcoming especially the trainers. One of the best gyms I’ve signed up to.”