Chop FitnessChop Fitness
Two hikers with backpacks walking a mountain trail toward snowy, jagged peaks

Personal training, Boulder and Louisville, Colorado

Train anywhere.

Real coaching that fits your life: in the studio, at your door, or wherever you are.

See plans and pricing

Three ways to work with Jeffrey

Three ways to train

Same coaching, same plan, wherever your week takes you. Mix them as your life changes.

  • Jeffrey flexing in the studio beside a squat rack, with Chop the pitbull sitting in front of him01

    In the studio

    Boulder or Louisville, Colorado

    For people who like a dedicated space, real equipment, and a coach beside them. Train with Jeffrey one on one.

    $200a session. Save 10% on 20 or 30.
    See studio pricing
  • A woman and a man stretching outdoors in warm sunlight beside a brick wall02

    We come to you

    Your home, backyard, park, or trailhead

    For busy schedules and people who train best on their own ground. Your coach brings the session to you.

    $200a session. Save 10% on 20 or 30.
    See pricing
  • A smiling woman standing on a rocky summit overlook above forested mountains03

    Online, wherever you are

    On your phone, anywhere

    For travelers and self-starters. Digital coaching, meal planning, and weekly check-ins with your coach.

    $147a month, or $1,470 a year.
    See Online pricing
  • Master trainers

    Real credentials, real coaching. Not a rotating door.

  • Rehab-aware

    Trained around real injuries, not in spite of them.

  • No contracts

    Cancel anytime. Your progress stays right where you left it.

  • In your corner

    Digital coaching between sessions, built into the app.

Who we train

People who want better

New to training, coming back, or chasing a number. We meet you where you are.

Done with big-box

Better than big-box

  • No contracts you can't read.
  • No machines you can't find a trainer for.
  • A coach who knows your name, your goals, and your last workout.
  • Real personal training, without the chain-gym markup or chrome-and-mirrors theater.

Coming back

Back from an injury

  • Coming back from an injury? We've trained people through worse.
  • We build around what your body can do today, not what it used to.
  • Load is added as you earn it.
  • Rehab-aware coaching that gets you strong again without setting you back.
A couple running together, smiling, on a sunlit wooded path

How it works

There's a method to it

The same proven process is behind every result, in the studio, at your door, or online.

  1. CConsult

    We start with you: your body, your goals, your history.

  2. HHelp

    A plan we build with you, adding load as you earn it.

  3. OOptimize

    A coach in your corner, with digital coaching in between.

  4. PPerform

    Proof you're getting better, all in one place.

See the Chop Method

What members say

Results talk

His skill and enthusiasm have helped me to go beyond what I thought possible.

Nancy K.

After dealing with multiple back injuries, he got me back to doing all the things I love.

Mitch A.

Every session with Jeff feels purposeful, and I've learned so much about movement, mobility, and how to build healthier habits that support long-term well-being.

Marina K.
Read more from our members

Individual results vary.

Two hikers and their dog walking a narrow trail through a green alpine meadow below rocky peaks

The people in your corner

Meet the trainers

Real coaches who know your name, your goals, and your last workout.

Jeffrey Heckendorn training with battle ropes in front of a squat rack

Jeffrey Heckendorn

Owner, master trainer

  • 7 years helping clients move better, get stronger, and stay resilient
  • Specializes in correcting movement patterns and body mechanics
  • Builds strength and stability that translates to real-world performance
  • Tailors every session to your goals, explaining the why behind each exercise
  • Prioritizes proper form for steady progress with reduced injury risk

Education: BS in HWPM, MS in Exercise Physiology, NASM-CPT

Hailey Nardone performing a kettlebell deadlift with two 20kg kettlebells

Hailey Nardone

Strength coach

  • Builds strong, resilient bodies for people of all ages
  • Programs athletic principles: power, coordination, and balance
  • Prioritizes everyday function and long-term joint health
  • Nearly 15 years playing softball, transformed by functional movement in college
  • Helps others achieve that same lasting improvement at any stage of life

Education: NASM CPT, American Red Cross CPR/AED

Chop the pitbull, the Chop Fitness gym mascot

"Chop"

Gym mascot

  • Led by experienced coaches Jeff and Hailey
  • Function-focused strength and movement coaching for all levels and ages
  • Blends performance work (power, speed, coordination) with mobility and resilience
  • Train harder, recover better, and reach your highest level with reduced injury risk
  • And yes, Chop the pup is our real motivation. Come by and meet him.

Education: Certified good boy

Train anywhere

Configure your plan

Train with Jeffrey at the studio, or have your trainer come to you. Sessions come in blocks of 10, 20, or 30, all 60 minutes, good for 12 months.

1

Where do you want to train?

2

How many sessions?

3

Add Online training?

Optional. Meal planning and weekly check-ins in the app, billed separately.

Before you ask

Straight answers

No. Sessions come in blocks of 10, 20, or 30 and stay good for 12 months. Online training is month to month, or yearly with two months free. If you step away, your progress, messages, and history stay saved, ready when you come back.

Still have questions? Build your plan and we'll take it from there.

Get in touch

Start with a plan

  • Meet your coach and talk through your goals.
  • Get a straight-talk assessment and a game plan built for you.
  • It's $25, and it's applied toward your first plan if you join.
  • No pressure, no contract.
Where
4775 13th Street, Boulder, CO 80304
Get directions
364 S. McCaslin Blvd., Louisville, CO 80027
Get directions
In the studio, at your door, or online
Hours
  • Mon to Thu: 5 AM to 7 PM
  • Friday: 5 AM to 6 PM
  • Sunday: 7:30 AM to 2 PM

I consistently wake up sore the next day and have already seen clear improvements in my performance.CJ

Book your $25 assessment

Applied toward your first plan if you join.

This isn't a confirmed appointment. Jeff will call or text you to lock in a time.

Just have a question? Email us at chop.fitness.co@gmail.com.

A couple with backpacks jogging along a golden grass trail toward the hills

Train anywhere

Your next session can start anywhere.

In the studio, at your door, or online. Build your plan in two minutes. No contract, no pressure.