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

Fitness in Thornton, CO

Our Gym Has Everything You Need to Achieve Your Fitness Goals

Adventure Fitness Athletic Club is a locally owned and operated gym in Thornton, Colorado. We offer expert guidance, premium equipment, specialized training, and a welcoming fitness community built to help people of all ages and fitness levels succeed.

A FITNESS FAMILY, NOT A FRANCHISE

More Than a Gym. A Place Where People Matter.

AFAC is the life’s passion of owner Susan Schaffner, a Colorado native who wants each member of the gym to feel like they’re an important part of our fitness family.

After having bariatric surgery in 2005, Susan’s dream has been to help people of all ages and fitness levels improve their health and wellness.

Susan and the AFAC team are committed to encouraging and supporting members as they reach — and even exceed — their goals.

Why Members Love AFAC

Constantly Improving

We’re always working to improve ourselves and the gym so members get the best possible experience.

Open to Feedback

We listen to every member’s feedback and ideas because your experience matters here.

Innovative Support

We’re always looking for new ways to help our members advance in their fitness journey.

Personalized Attention

Every member deserves individualized support and a plan that works best for them.

Two women hold medicine balls over their heads during a workout at AFAC gym

PERSONAL TRAINING

Training Customized for You

Our trainers assess and monitor your fitness progress, tailoring a program that is customized specifically for you.

  • All trainers are internationally certified and fully insured
  • Monthly body composition analysis
  • Personalized training plans designed for your goals
  • One-on-one or two-on-one training sessions available

ROCK CLIMBING

Build Strength, Endurance, and Confidence

Rock climbing at AFAC is a fun, challenging way to improve your climbing skills, increase total-body strength, and develop endurance.

  • Certified and fully insured trainer
  • Trainer specialized in rock climbing
  • Supervised classes for all ages
  • Open climbing hours available
  • One-on-one sessions available
Climbing cave at AFAC gym

WORK-IT-OUTS

Reserve Your Equipment and Training

Reserving your appointment  helps you get in, get to work, and get results.

   
    •    Reserve appointments immediately
    •    Functional training, free weights, kettlebells, cable machines, and stacked weight machines
    •    Challenging equipment including Ab Coasters, Traverse Machines, Versa Climber, Versa Pulley, VIPRs, Assisted Pull-Up and Dip Machine, Jacobs Ladder, cargo net, and boxing equipment

Yoga at Adventure Fitness Athletic Club

YOGA

Balance, Strength, Flexibility, and Recovery

Our yoga instructor, Kendra, leads low- to medium-impact classes designed for all levels.

This dynamic approach improves functional balance, strength, flexibility, breathing, and body awareness while helping reduce stress and support long-term wellness.

This class is great for all fitness levels because our instructors are skilled at adapting the class to everyone’s needs.

CRYOTHERAPY

Speed Up Recovery and Support Performance

Cryotherapy is great for athletes and anyone looking for faster recovery, reduced inflammation, and better post-workout support.

Benefits include:

    •    Pain relief and muscle healing
    •    Weight-loss support
    •    Reduced inflammation
    •    Reduced anxiety and depression symptoms
    •    Relief support for migraines and eczema
    •    Faster recovery time

Cryotherapy chamber at AFAC gym in Thornton, Colorado
Front view of a Power Plate at Adventure Fitness Athletic Club gym

POWER PLATE

Low to High Impact Training for All Levels

Low to High Impact Training for All Levels

Power Plate training is designed to improve balance and stability while staying easy on the joints.

  • Improves balance and stability
  • Easy on joints
  • Certified as a Class IIa medical device
  • Great for rehab, recovery, and injury prevention

CLASSES

Exciting Classes for All Fitness Levels

Our classes are designed to accommodate all ages and fitness levels. They are fun, goal-oriented, and focused on balance, flexibility, energy, and results.

Class sizes are limited to provide personalized attention and maximum instruction.

HOST YOUR NEXT EVENT

Have Your Next Event at
Adventure Fitness Athletic Club

Birthday Parties

Celebrate with an active, memorable experience in a fun and unique fitness environment.

Corporate Events

Bring your team together with a fresh, energizing event built around activity and connection.

Team Building

Create shared challenges and experiences that build trust, motivation, and stronger teams.

Ready To Get Started?

Want to Schedule an Appointment?

Call 303.920.2030 for further information about memberships. You can also fill out the form and we will contact you.