Best Gym in Thornton, CO! Call: (303) 920-2030
Mon–Fri 4am–8pm | Sat 5am–2pm | Sun 7am–12pm

Before You Hit the Slopes, Take Our Ski Prep Classes at Adventure Fitness Athletic Club

Ski Prep Classes

Enjoy a stronger, healthier, and more confident ski season by attending the Ski Prep Classes at Adventure Fitness Athletic Club. If you’re a member of AFAC, we invite you to join us at our Thornton gym on Friday evenings to train for the slopes. Our Ski Prep Classes will help you increase your strength and power in a specific manner to avoid injuries, mitigate impact, and alleviate change-of-direction stress while skiing.

Raise the Bar of Your Workouts at Our Barre Class

Barre Class Thornton

Are you ready to take your fitness routine to new levels? If so, we invite you to test your muscles, increase your flexibility, and build your strength at our weekly barre classes. Adventure Fitness Athletic Club members are welcome to join us at our gym in Thornton while we have fun getting fit.

Meet the Personal Trainers at Our Gym in Thornton, CO

Personal Trainer Thornton CO

Adventure Fitness Athletic Club in Thornton, CO, has four NASM/NCSA Certified Personal Trainers on staff — Susan Schaffner, Jamie McGehee, Javier Bedoya, and Dave Mura. Our highly experienced personal trainers are certified in multiple areas and are constantly expanding their knowledge. They provide our members with individualized exercise programs to help them reach their health and fitness goals.

Join Yoga Class at Our Gym in Thornton, CO

Yoga Classes at Thornton Gym

Would you like to improve your flexibility, strength, balance, and more? If so, Adventure Fitness Athletic Club invites you to roll out your yoga mat with us at our yoga classes on Tuesdays, Thursdays, Fridays, and Saturdays. These classes are free to members of our gym, and also available to non-members for a drop-in fee of $10.00. We welcome you to join us as our instructor leads our class through the physical and mental exercises that have inspired yoga enthusiasts around the world for thousands of years.

TRX Tuesdays at Adventure Fitness Athletic Club

TRX Training Class, other equipment at AFAC

Join us at Adventure Fitness Athletic Club every Tuesday from 12:00-12:45 p.m. for our TRX and CrossCore class, led by our own Jamie McGehee. This class is a great way to hit all muscle groups and give yourself an awesome workout by using your own bodyweight as resistance. Adventure Fitness Athletic Club provides the equipment […]

15 Reasons Why Nordic Walking Might Become Your New Favorite Workout

Susan Schaffner, Nordic Walking Class

If you enjoy exercising outside, come Nordic Walking with us! You’ll learn how to build muscle and burn calories safely and effectively. Adventure Fitness Athletic Club holds regularly scheduled Nordic Walking classes for our members, and non-members can join the class for the price of a day pass ($10) or one time for free. Learn more about our classes and what makes Nordic Walking such a fantastic workout.

Meet the Owner, Susan Schaffner

Susan Schaffner

Adventure Fitness Athletic Club (AFAC) is a gym that’s locally owned and operated by Susan Schaffner. A Colorado native, Susan underwent bariatric surgery in 2005. That experience sparked a deep desire in Susan to help people improve their health. Already an experienced physical therapist aid and assistant to personal trainers, Susan decided to become a […]

Boost Your Recovery With These 5 Foods

You associate certain foods with a healthy lifestyle or to help you lose weight but you might surprised to learn that some foods can help you recover after a big day at the gym too. With the right food choices, it could help you battle the pain better. Check out these foods that could make […]

Chill Out Your Recovery This Summer with Cryotherapy

Want a cool way to help those aching muscles recover this summer? Try cryotherapy. Whole body cryotherapy refers to a type of therapy that involves exposing your body’s outer layer to extreme cold temperatures for a few minutes at a time. The process works by having a person stand inside a cryotherapy chamber with only […]

Gym Intimidation. Done.

It can be easy to get intimidated by the gym, everyone around you doing all kinds of different exercises and using different types of equipment everywhere. Try these tips to help you beat gym intimidation and feel more confident about going to the gym. 1.Join a Class What better way to get comfortable than to […]

4 Great Post-Workout Treats

If you’re craving dessert after your workout, don’t get into those cookies just yet. You’ve worked hard and you deserve a treat but there’s no need to ruin your hard work. Check out these recipes that will give you a sweet post-workout reward.   Chocolate Peanut Butter Chia Protein Pudding This protein packed pudding is […]

3 Techniques to Keep You Gym Motivated This Summer

When you think of summer, you may not immediately think that it’s a good time of year to keep up your gym routine, but think again. The gym can be a great place to engage in intense workouts and during the summer, you’ll appreciate the climate controlled environment. How do you stay motivated to keep […]

5 Ways to Feel Great After a Gym Workout

Maybe you’ve just conquered a gym class or crushed it with your trainer, no matter what, taking care of yourself post gym will help you recover and feel rewarded. Pampering yourself is not only a great way to reward yourself for your hard efforts at the gym but can help keep you motivated to complete […]