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Call or text Brennan Fitness Academy at 385-331-1616

Client outcomes

Real People. Real Results.

Join. Sweat. Fit. Accept the Challenge.

Real clients. Real starting points. Real results.

In their words

Watch the work

Numbers tell you what changed. These six clients tell you what it took.

Client Transformation

One year of consistent training. Strength up, muscle gained, fat lost — the slow way that actually sticks.

Video 1 of 6: Jess — 1 Year, Real Change

Pro athletes and first-time clients get the same thing from me: a program built for what they need, and the accountability to actually finish it.

Client testimonials

In their own words

What clients have posted on Google about training with Nathan Brennan, word for word.

Rated 5 out of 5 stars

10 reviews on Google

Review us on Google (opens in a new tab)

  • Paige Barton

    Rated 5 out of 5 stars
    I’ve seen firsthand how much time and effort Nathan puts into helping people reach their fitness and weight-loss goals. He genuinely cares about his clients and is knowledgeable, encouraging, and committed to helping people make lasting changes.

  • Heather Jackson

    Rated 5 out of 5 stars
    Nathan is a great communicator and has a positive approach. He holds you accountable and helps you figure out what is holding you back!

  • Caleb Barton

    Rated 5 out of 5 stars
    I wholeheartedly recommend Nathan. He is extraordinarily patient and very knowledgeable. He really listens to your goals and has a great understanding of what it takes to help you get there.

  • Sterling Brennan

    Rated 5 out of 5 stars
    I have been one of Nathan’s clients. He is terrific. Well informed. Patient. Right balance between high expectations and goal setting with recognition that hitting those goals can be challenging. Other clients of his that I have talked with highly praise him too.

  • shellie Nelson

    Rated 5 out of 5 stars
    I would highly recommend Nathan for training. He’s very knowledgeable and knows exactly what you need. He did a band training for me that is helping me to increase my strength. He’s amazing highly recommend!!!

  • Aubrey Porter

    Rated 5 out of 5 stars
    Nathan is very skilled and passionate about helping others get results! He’s very updated to date with the latest research and techniques and is very kind and non judgmental! I highly recommend using Nathan!

  • haley Louisot

    Rated 5 out of 5 stars
    Nathan is very knowledgeable and dedicated to getting his clients to reach their goals. He has extensive training and education to back up what he says. Anyone would be lucky to use him!!

  • Annette Brennan

    Rated 5 out of 5 stars
    If you want to reach your fitness goals Nathan is the person to help you. His positive attitude and relentless energy will inspire and propel you to achieve your goals. Dont give it a second thought. Act now.

  • Neil Nelson

    Rated 5 out of 5 stars
    Nate has been super great and I would refer anyone to use his program

  • Morgan Rees-Fleming

    Rated 5 out of 5 stars
    I have used Nathan’s online training service for probably about 4 years and I can’t say enough good things! He is so good at custom making not only workouts but also meal plans. He is supportive while also being the push you need to get to your goals. If you are looking for a custom experience and a great trainer, Nathan is who you should call! You won’t be disappointed.
Nathan Brennan and a client flexing side by side in front of a dumbbell rack after a session

Every review clients have left is collected on one page — read as many as it takes.

Read all reviews

View all reviews on Google(opens in a new tab).

The proof

Change you can see

Numbers on a scale don't always tell the story. These three angles do.

Client photographed from the front before starting coaching with Nathan Brennan Before
The same client photographed from the front after coaching with Nathan Brennan, visibly leaner through the torso After
Front view — before and after.
Client photographed from the side before starting coaching with Nathan Brennan Before
The same client photographed from the side after coaching with Nathan Brennan, visibly leaner and more upright After
Side profile — before and after.
Client photographed from behind before starting coaching with Nathan Brennan Before
The same client photographed from behind after coaching with Nathan Brennan, with a narrower waist and squarer shoulders After
Back view — before and after.

Consistent training, consistent nutrition coaching, one client — from every angle.

Elite-level training

Trusted at
the top level

Reputation doesn't keep a pro athlete around. Results do.

30+ NFL athletes have trained with Nathan Brennan. A few of them, by name:

  • Wesley French

    Offensive Lineman

    Indianapolis Colts

  • Jacob Harris

    Wide Receiver

    Jacksonville Jaguars

  • Matt Hembrough

    Long Snapper

    Arizona Cardinals

  • Adam Bay

    Long Snapper Prospect

    NFL Combine

  • Gavin Ortega

    Offensive Lineman

    Denver Broncos

If the programming holds up for them, it'll hold up for you.

Nathan Brennan standing with NFL long snapper Julian Ashby at an indoor training facility
Nathan Brennan with Julian Ashby, NFL long snapper and the 251st pick in the NFL Draft.
Nathan Brennan mid slam-ball throw in the training studio
The training that gets an NFL athlete Combine-ready is the same intensity and attention to detail every client gets — whether the goal is a roster spot or just getting through the day pain-free.

The Brennan Fitness Academy way

Join. Sweat. Fit.
Accept the Challenge.

Everyone on this page started with one conversation, not a bootcamp or a diet — in person in Lehi or online.

You've seen what showing up looks like. Now it's your turn to accept the challenge.

Call or Text 385-331-1616