Where Littleton Comes to Train—At Every Level

Modern equipment, expert coaching, and a community that meets you where you are.

Littleton Fitness is a welcoming, high-energy, 24/7 gym in the heart of Littleton, New Hampshire.

Whether you’re just getting started, returning after a break, or training at a competitive level, this is your space to grow stronger—physically and mentally.

Littleton Fitness Owner Mari Myers

What Makes Littleton Fitness Different?

We’re not here to sell you fads. We’re here to help you train smart, stay consistent, and feel supported along the way.

State-of-the-art gym equipment for strength, cardio, and performance

True 24/7 gym access—train when it works for your schedule

Expert-led coaching tailored to your level—no intimidation

App-based workouts + instant gym access

A no-BS environment where you’re encouraged—not judged

All ages and abilities welcome

Meet Mari Myers

Mari Myers is a coach, athlete, and the driving force behind Littleton Fitness.

With a background in CrossFit, bodybuilding, endurance sports, and gymnastics, Mari brings expert guidance and real-life experience to the gym floor.

She built this gym for people who want to feel strong, supported, and seen.

What We Offer

Strength Training & Conditioning

Build muscle, increase endurance, and train with purpose using our full range of free weights, machines, and cardio equipment.

Expert Coaching

Get personalized guidance from certified coaches who care about your progress—not just your reps.

Performance Testing & Bod Pod

Track what matters. Our advanced testing tools help you measure your progress and train smarter.

Nutrition Support

Fuel your training with simple, realistic nutrition guidance—no fads, no nonsense.

Ready to Join?

We make it easy to get started:

  • Transparent, affordable pricing

  • No contracts, no pressure

  • Friendly support every step of the way