All About the Club

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 Facilities

Built in 1992, the MAC has evolved with the latest in health and wellness, adding new areas and programming. Our members expect only the best and we strive to deliver that to them every day.

Weights & Machines

We have state-of-the-art Life Fitness Signature Series weight equipment, along with Hammer Strength free weight equipment. Our cardio equipment features personal TV screens on most pieces, along with internet access.


Montana Athletic Club has a 3/4-sized gymnasium, perfect for a game of hoops as well as group classes. It is a great venue for events – we host gatherings including a free health fair for the community.


The MAC features 2 Racquetball/squash courts, four outdoor tennis courts, which have been lined out to create seven outdoor Pickleball courts. The indoor gymnasium is used for many sports, including Pickleball, basketball volleyball and Personal and Small Group Training. Most of the courts can be reserved by contacting the Front Desk.


At 84 degrees, our indoor pool is great for laps all year round. The pool is 75 feet long and has three lap lanes. We offer many aquatic classes, from water aerobics to swimming lessons. Also, each locker room has a hot tub too.

Locker Rooms

Our locker rooms for men and women each feature their own steam room, s auna, jacuzzi, showers with shampoo, blow dryers, lockers for daily use or for rent, and a lounging area with TV.

Pro Shop & Juice Bar / Lobby

The newly renovated Lobby is comfortable and inviting, featuring comfy seating and a fireplace. The ProShop has the latest in athletic clothing, along with swim gear, fitness monitors, sunglasses, racquets and fitness equipment. Featured brands include Oakley, MPG, Soybu , Speedo and other fine companies. At the Juice Bar, we hand-make our own awesome smoothies and have a great selection of healthy snacks. You can even order a beer for the ultimate recovery drink!

Misa Functional Training

New for 2019, 2,500 square feet of Functional Training Area, featuring indoor turf, power racks, more free weights, suspension training, a Quincy Rig and a new cardio deck.

South Fork Studio(spinning)

New Precor spin bikes with a rocking sound system makes the spin room at the MAC irresistible.

Middle Fork Studio(Mind/Body)

An elegant, quiet studio for Yoga, Pilates, Barre and other classes.

North Fork Studio(aerobics)

Featuring Les Mills classes, this studio can get moving and shaking! Oula, Grit, BodyPump.

Pilates Studio

Inspirational, certified instructors will help with your routine or get you started with Pilates

Recovery Room

Featuring a striking design and best-in-class performance,the Human Touch® Novo XT2 massage chair provides a therapeutic massage that can be custom-tailored to fit your lifestyle so that you can be and feel your best.


The MAC Concierge will help you in every way – from setting up a membership to explaining how the Swim Lessons work. Want to jazz up your workout? The Concierge will fix you up with a Trainer, get you to a class or chat with a Health Coach. Heck, they will even recommend a good restaurant in the area!

Riverbend Physical Therapy

The newest physical therapy business in Bigfork – with their own 92 degree therapy pool! With 4 therapists, 3 assistants, 6 treatment rooms, they are the state-of-the-art physical therapy business in the greater Bigfork area.
Visit River Bend PT


The MAC has the latest in tanning technology with the stand-up HEX tanning system. You can purchase tanning by the time or monthly.

New Online Gift Cards

Give the gift of health! Buy gift cards or anyone on your list!

Discounted Guest Pass

trying it all for yourself


find out what you’re made of

Try A New Class

see our class schedule