Our story

Keeping Your Marbles

A place to take back your health, confidence & independence.
Trainer talking with veteran at Marbles Fitness
Years in physical therapy before Marbles opened
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Coach to members, at most, in every group
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The age this whole studio is designed around
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Communities served across Indy's north side
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Why Marbles exists

She did not set out to open another gym.

When Sharea Clark opened Marbles Brain Body Fitness in Fishers, it wasn’t because she wanted to start another gym. It was because, after more than 27 years in the physical therapy world, she had seen what happens when people begin to lose confidence in their bodies and their minds.

What she kept seeing

Over her career, Clark worked with countless individuals navigating injury, aging, neurological challenges and recovery. She watched people make progress in therapy, only to feel lost once formal treatment ended.

What she kept seeing

That vision became Marbles Brain Body Fitness, built on the belief that staying mentally sharp and physically capable should be accessible, supportive and life-changing, especially as we age.
Members often arrive with limitations. Many come in carrying fear, of losing independence or of not knowing where they belong in the fitness world. Caregivers, too, find their way to Marbles, often exhausted and putting their own needs last.

"I kept seeing the same gap. People wanted to stay proactive, but traditional gyms felt intimidating, and therapy wasn't always the right fit anymore. I wanted a space where people could safely work on both their brain and body, together."

Neuroplasticity
Body

MOVE

Dual-task

AT ONCE

Brain

THINK

More than a gym

Move while thinking, reacting and deciding.

Marbles combines functional fitness with dual-task brain training, challenging members to move while thinking, reacting and making decisions, just like real-life demands.

Exercises focus on balance, coordination, strength and cognitive engagement at the same time, helping strengthen neuroplasticity, the brain’s ability to adapt and form new connections.

And then, something begins to shift

What members tell us changes.

Members share that they feel steadier on their feet. They’re moving with greater confidence and less hesitation. Others say the biggest change is emotional.

Steadier on their feet

The unsteadiness that brought them in starts to give way.

Remembering names more easily

The recall that felt slippery starts coming back.

Moving with less hesitation

Greater confidence in ordinary, everyday movement.

Up from the floor without fear

One of the moments members mention most often.

Keeping up with grandchildren

The reason a lot of members walked in to begin with.

Hopeful, capable, in control

Members say the biggest change of all is emotional.

Inside the studio

Calm, welcoming, and never competitive.

The atmosphere at Marbles reflects that purpose. Progress is personal. Small victories are celebrated. And members are met exactly where they are, without judgment.

Smiling trainer at Marbles Fitness gym entrance
Why it matters

"Science shows that the choices we make today can protect our brains tomorrow. And every time someone tells me they feel sharper, steadier or more confident, I'm reminded why I started this journey."

Sharea Clark
Founder · Physical therapist, 27+ years
Marbles Brain Body Fitness is more than a gym. It’s a community designed to support successful aging, recovery and resilience. And most of all, it’s a place that says: we are here for you, to help you take back your health, mobility and independence, and continue living life with clarity, confidence and purpose.