Best Gym in Thornton, CO
12301 Grant St. #210 Thornton, CO 80241 303.920.2030

From The Gym Owner

Susan Schaffner
Susan Schaffner

From Susan Schaffner, the Owner of Adventure Fitness Athletic Club’s Gym in Thornton, CO

Hello, and welcome to Adventure Fitness Athletic Club. My name is Susan Schaffner and I became the owner of AFAC in May of 2017. Being the owner of this gym is a dream come true because it allows me to pursue my life’s passion of helping people achieve greater health and wellbeing. My mission is to make AFAC the best gym in Thornton, Colorado.

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This gym is my life's passion and I want everyone to not just be a member, but to be part of our family.

Susan Schaffner

While I have lived in Colorado all my life and always enjoyed our state’s active lifestyle, my interest in health and fitness increased greatly in 2005 after I underwent bariatric surgery and worked as a physical therapist aid and assistant to personal trainers. Later, I became a Bariatric Support Group Leader as part of the Rose Hospital Buddy Program, as well as:

  • A National Academy of Sports Medicine (NASM) Personal Trainer and Group Instructor
  • A Certified American Nordic Walking Association (ANWA) Personal Instructor
  • An ACE Group Personal Trainer
  • Power Plate Certified
  • Indoor Spin Certified
  • RAD Mobility 1 and 2 Certified
  • A Cross Core Instructor
  • A Certified SmoveyVIBROSWING® System Coach
  • Cyro Innovation Cryotherapy Certified

More About Our Thornton Gym

At Adventure Fitness Athletic Club, you’ll find a welcoming environment where you’ll always feel at home. Regardless of your fitness level or ability, we want you to be comfortable approaching our team with any questions you have about our gym and how to achieve your fitness goals. Plus, as a member, you’ll enjoy incredible benefits like unlimited open workouts with a no-wait guarantee.

We offer a diverse range of cardiovascular, strength training, and functional training equipment so that you’ll have everything you need as you make progress during your fitness journey, including:

In addition to our equipment, AFAC also offers a packed schedule of classes to give our members challenging, varied workout opportunities six days a week. Below are some of the classes you’ll find at our gym. You can see a full list and sign up for classes here.

But the benefits of Adventure Fitness Athletic Club don’t end there! We also provide our members with unique services to help them recover faster after each workout and track their progress:

Call Us or Stop by and Visit AFAC to Learn More About Our Gym

To find out more about Adventure Fitness Athletic Club, I invite you to visit our gym at 12301 Grant St. #210 in Thornton, CO, to meet me and the rest of our team. You can also call me at 720-849-0245 or email me at susan@adventurefitness.club.