Welcome MAC
You Belong Here
Step into more than a gym. This is where your goals matter, your effort counts, and your journey is celebrated. Find your strength, your community, and your confidence—all in one place built for you.
At Montana Athletic Club, we’re redefining fitness. From personalized programs to group classes and expert support, we balance challenges with care to ensure your success every step of the way.
About Us
About The MAC
The Montana Athletic Club was built as a partnership between Doug Mahlum and Jack Tawney in 1991 at 17,000 SF and had 600 members. Today, the MAC is at 32,000 SF with 3,000 members. We are a full-service facility with world-class trainers and instructors.
We pride ourselves in exemplary service and strive to meet the need of each member and guest. Come be a part of our family and enjoy all we offer. What’s keeping you from getting fit?
About Us
Forge Your Fitness Gym and CrossFit Adventures
The Montana Athletic Club was built as a partnership between Doug Mahlum and Jack Tawney in 1991 at 17,000 SF and had 600 members. Today, the MAC is at 32,000 SF with 2,500 members. We are a full-service facility with world-class trainers and instructors.
We pride ourselves in exemplary service and strive to meet the need of each member and guest. Come be a part of our family and enjoy all we offer. What’s keeping you from getting fit?
Our Services
Services & Programs
Towel & Locker Rental
Why drag a wet towel around? We offer fluffy towels when you come in.
Tanning
The Hex vertical tanning system is one of the best on the market.
MAC Massage Chairs
Featuring a striking design and best-in-class performance.
Swimming Lessons
Taught by Miss Ione White, our swim lessons are quite popular.
Les Mills Programming
All classes are included with your membership.
Answers to the most
Frequently Asked
Questions
Can’t find the answer that you’re looking for? Get in touch with us.
Do I need to be in shape to join?
Absolutely not! Our gym welcomes all fitness levels. Whether you’re a complete beginner or an experienced athlete, we’ll help you start at your pace and build from there.
Do you offer personal training?
Yes, we have certified personal trainers who will create customized workout plans based on your goals, fitness level, and schedule.
What types of classes do you offer?
We offer a wide range of classes including HIIT, Yoga, Zumba, Spin, Strength Training, and more. Check our schedule for class times and availability.
Is there a contract or long-term commitment required?
No long-term contracts are required. We offer flexible monthly memberships as well as discounted annual plans.
Do you offer any nutrition support?
Yes, our team includes certified nutrition coaches who can help you with meal planning, goal setting, and healthy eating tips to complement your fitness routine.
Our Fitness
Journey
Member Moments
People love Montana Athletic Club
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What Our Members Say
DISCOUNTED GUEST PASSES:
Why wait at the Front Desk?
Get a discounted guest pass right now! Special pricing for families and couples.
New Online Gift Cards
Give the gift of health! Buy gift cards or anyone on your list!
The Montana Athletic Club was built as a partnership between Doug Mahlum and Jack Tawney in 1991 at 17,000 SF and had 600 members. Today, the MAC is at 32,000 SF with 3,000 members. We are a full-service facility with world-class trainers and instructors.
Quick Links
Legal
Contact Info
© 2026 Montana Athletic Club | Bigfork MT | (406) 837-2582.