Group Fitness Classes at BASE

BASE HOURS

Monday – Friday 6:00am–10:00pm | Saturday 9:00am–6:00pm | Sunday 12:00pm–8:00pm

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Lone Peak trails
childcare at base

Toddler Drop-in at the Wolfe Den while you sweat

Parents and caregivers, this one is for you. Looking to get a sweat in and need someone to watch your kiddo(s)? Drop them with our BASE team at the Wolfe Den for up to three hours.

Days: Tuesdays, Wednesdays and Fridays
Times: 8:30am-11:30am
Ages: 1yr-5yr
Price: $15/per 1.5 hours

*parents/caregiver must remain at BASE during drop-in

BASE FITNESS INSTRUCTORS

Meet your Instructors

Rhonda Karl
Yoga for Healthy Aging

Rhonda leads “Yoga for Healthy Aging,” creating a welcoming space where yoga truly becomes accessible for every body. Her classes remind students that they’re only one yoga class away from a better mood.

Allison Gilley
Zumba

Allison blends more than 16 years of Zumba experience with her love of movement, nature, and adventure. A certified Pilates, Barre, and Yoga instructor, she leads fun, high-energy classes that support an active mountain lifestyle.

Chelsea Grady
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Chelsea began practicing yoga at 14 and has remained deeply connected to the practice ever since. With training in Australia and California, she teaches thoughtful classes that encourage safe alignment, exploration, and a little spark of fun.

Amber Maurer
Barre Fusion

Amber began teaching fitness more than a decade ago with Pure Barre in Seattle and has continued expanding her training ever since. A certified Pilates, yoga, Lagree instructor and longtime massage therapist, she is passionate about helping people strengthen their bodies and improve overall wellness.

Amy Wisniewski
Game Night
Book Club
Hike Big Sky
Snowshoe Meet-up

Amy moved to Big Sky seven years ago with her husband and quickly embraced the outdoor lifestyle. When she’s not leading snowshoe tours or exploring dog-friendly trails, she stays involved with the Gallatin Canyon Women’s Club and the Big Sky Community Library.

AJ Wasserman
Climbing Wall

Originally from Florida, AJ discovered climbing after moving to Salt Lake City and quickly fell in love with the sport and mountain community. As an instructor, she enjoys helping new climbers build confidence while learning both on and off the wall.

Rosemary Volosin
Tai Chi
Yoga

Rosemary’s career as a nurse practitioner sparked her interest in the healing arts and holistic wellness. Through yoga, tai chi, and qigong, she blends Eastern and Western approaches to help students build balance, stability, and graceful movement.

Laura Seyfang
Gentle Yoga

Laura has been teaching yoga for nearly 15 years and especially enjoys leading gentle and senior yoga classes. An active member of the Big Sky community, she also participates in Rotary, Community Theatre, All Saints Church, and local support groups.

Jay Jay Naea
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Dance has been Jay Jay’s lifelong source of inspiration and personal growth. At BASE, he shares that energy with the community, bringing movement, rhythm, and good vibes to every class.

Tyler Milne
Kickboxing

Tyler has called Big Sky home for the past decade, embracing the area’s abundance of outdoor recreation. After training in kickboxing for two years, he now teaches the fundamentals of striking and defense at BASE.

Wendy Miller
Restorative Yoga
Pilates
Pilates & Barre Combo

Wendy is a NASM-CPT, 500-hour RYT, and Barre and Pilates instructor who loves helping students discover joyful, healthy ways to move. Outside the studio, she enjoys hiking in the summer and cross-country skiing in the winter.

Rita McGaughy
Pickleball Drills

Originally from the Bavarian Forest in Germany, Rita feels right at home in Big Sky’s snowy landscape. A certified pickleball and tennis instructor, she brings her “Fun and Fundamentals” philosophy to every class while sharing her passion for community and movement.

Jill Jackson
Level II Yoga

Jill has been teaching yoga for more than 20 years, guiding students through alignment-focused and energy-centered practices. Her creative classes weave together breathwork, mantra, and movement to help students feel grounded, clear, and open.

Lexie Hendricks
Cycle & Strength
Bootcamp

Lexie is a self-described professional fun-haver with more than 10 years of mountain bike instruction experience. When she’s not teaching, you’ll likely find her outdoors mountain biking, skiing with her dog Poppy, or snowboarding on Lone Peak.

Joe Ciardelli
Active Mobility & Agility

Joe has participated in competitive sports throughout his life, from hockey, baseball, and tennis in his youth to skiing, running, swimming, taekwondo, and cycling later on. His experience coaching with the University of Wisconsin Taekwondo Club helped shape his passion for teaching and sharing the benefits of fitness with others.

Cackie Brosseau
Bootcamp
Indoor Cycling
Indoor Cycling & Core

Cackie has spent nearly 20 years in the fitness industry, competing in cycling, Ironman, bodybuilding, and now mountain trail running alongside her two goldendoodles. A Big Sky resident for over a decade, she teaches at BASE with the goal of helping strengthen the community through movement and fitness.

Interested in joining the BASE team?

If you care about community, stewardship, and building something that lasts, we’d love to hear from you. Explore current opportunities and help shape what comes next.

join the base community

BASE Passes

BASE offers flexible ways to stay active and connected to the community. Choose from monthly memberships for individuals, youth, seniors, and families, or purchase a punch pass for occasional visits. All options provide access to the BASE Community Center’s facilities, programs, and amenities, with group fitness classes included for members.

Family Pass
The Family Pass provides unlimited access to BASE for families living at the same address, making it easy for parents and kids to stay active year-round.

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Family Definition:Two adult parents and any number of minors under age 18 residing at the same address.
3-month
6-month
annual
$170/mo
$145/mo
$120/mo
Parent & Youth Pass
The Parent + Youth Pass provides unlimited access to BASE for one parent and one youth living at the same address, creating opportunities for families to stay active together.
3-month
6-month
annual
$90/mo
$80/mo
$70/mo
Adult Pass
The Adult Pass provides unlimited access to the BASE Community Center for adults looking to stay active, train, and participate in community programming.

Ages: 18–59
3-month
6-month
annual
$170/mo
$145/mo
$120/mo
Senior Pass
The Senior Pass provides unlimited access to BASE for older adults looking to stay active, socialize, and participate in wellness programming.

Ages: 60+
3-month
6-month
annual
$170/mo
$145/mo
$120/mo
Youth Pass
The Adult Pass provides unlimited access to the BASE Community Center for adults looking to stay active, train, and participate in community programming.

Ages: 18–59
3-month
6-month
annual
$170/mo
$145/mo
$120/mo
10-punch Pass
$200
Access: 10 individual visits (full day)
*Punch passes never expire and can be used at any time.
20-punch Pass
$385
Access: 20 individual visits (full day)
*Punch passes never expire and can be used at any time.
Youth 10-punch Pass
$125
Access: 10 individual visits (excluding the Fitness area)

*Youth the age of 13 and younger can use this pass. All individuals are required to have their guardian sign the waiver prior to using the facility.
Reach us

Contact BASE

Questions about membership, group fitness classes, programs, or facility rentals? We're here to help.