Women’s Strength

Stronger Now. Stronger Forever.

Build Muscle. Build Bone. Build the Life You Want.

A 12-week women’s strength class focused on muscle, bone health, and longevity.

Build strength for the life you want to live now and for the years ahead.

Register Now

Strength for Longevity

Muscle matters.

Building and maintaining strength is about more than getting stronger in the gym. It’s about creating a strong, capable body that can keep up with the life you want to live.

This 12-week series is designed to help women intentionally train for:

  • Muscle: Build strength and muscle for life

  • Bone Health: Train for strong bones and a strong body

  • Injury Prevention: Build strength and resilience to help protect your body

  • Longevity: Stay strong, active, and capable as you age

  • Life: Build strength for your everyday activities, sports, and adventures

Train for longevity. Train for the life you want.

Muscle Is Medicine

The goal of this series is to help you build the muscle and strength you need to continue doing the things you love.

Hiking. Skiing. Running. Traveling. Playing with your kids or grandkids. Staying active. Trying new adventures.

Whatever the life you want looks like, train for it.

Strong Bones. Strong Body. Strong for Life.

Who Is This For?

This class series is for women who want to make strength a priority.

Maybe you want to:

  • Build more muscle

  • Improve your strength

  • Train for bone health

  • Help prevent future injuries

  • Feel stronger in your everyday life

  • Stay active as you get older

  • Train for the sports and adventures you love

  • Prioritize strength through midlife and beyond

  • Build strength for longevity

12 Weeks to Build On Your Strength

Over 12 weeks, you’ll train twice a week in a small-group environment.

Each 45-minute class gives you dedicated time to work on building strength and creating consistency with your training.

With a maximum of just 10 women, the class is intentionally kept small.

You don’t need to already consider yourself “strong.” You’re here to build it.

Meet Your Instructor

Kelley Mast

Certified Personal Trainer • Ski Racer • Ski Instructor

Kelley is a NASM-certified personal trainer and owner of MastMountainFitness, LLC. She has been training clients and leading group fitness classes in the Snoqualmie Valley for over 12 years. In addition to personal training, Kelley is certified in spin, TRX, barre, and HIIT Chaos.

Her programs focus on stabilization, balance, strength, endurance, and power to help clients feel confident, strong, and capable.

A lifelong athlete, Kelley grew up in the Colorado mountains, competed in cycling and ski racing, and more recently taught skiing at The Summit at Snoqualmie, where she earned her PSIA Level 1 certification.

Women’s Strength

12-week program, 24 classes

Dates: September 28 - December 14 (Break on Nov 25 for Thanksgiving)
Days: Mondays + Wednesdays
Time: 5:30-6:15 PM
Group Size: Maximum 10 participants
Cost: $20/class
Location: Mount Si Wellness Collective

Registration Opens August 30

Program Details

Register Now

MUSCLE FOR LIFE

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STRONG BONES, STRONG BODY

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TRAIN FOR LONGEVITY

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STRONG FOR THE LIFE YOU WANT

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NEVER STOP MOVING

MUSCLE FOR LIFE ✳︎ STRONG BONES, STRONG BODY ✳︎ TRAIN FOR LONGEVITY ✳︎ STRONG FOR THE LIFE YOU WANT ✳︎ NEVER STOP MOVING

Build muscle. Build bone. Build strength for the life you want to live.

With only 10 spots available, space is limited. Register now to join us this fall.

Secure Your Spot