Best Personal trainer in colorado

Exercise Scientist & Research Fellow

The most scientific personal training right here in Littleton, CO

Sean Johnson - Exercise Scientist, Research Fellow 

CPT, CFT, FT, SPN, PES, CES, FNBFE, MTS, J-Range Master Specialist, Director of Rehab

I take a unique approach to personal training that encompasses each individual need, no matter what your goals

JRT Fit

People ask why I do personal training, considering my qualifications?

It's the best way I can help the most amount of people, and it's so incredibly rewarding watching people gain hope again!

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Lauren working hard at JRT Fit in order to...


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Later compete in Mrs. Colorado (look at those calves!)


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Kenzie doing an incredibly difficult core/rowing exercise in order to...

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Later become the youngest American Ninja Warrior Pro Ever!


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Improving Posture as Glenn did here

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To making massive body transformations as David has done (without cutting those carbs!)

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To gaining muscle in areas many thought impossible (with a fused ankle)


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Everyone gets results thanks to the protected J-Range method


JRT FiT

Our Location

We are at 8906 W Bowles Ave, Littleton, 80123

We are in the basement of the Westerra Credit Union building

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