Welcome to being

Trained By Stef Callens!

Voted Top 10 Personal Trainers in Denver - 2018

Stef is now owner and head trainer at Vitality Training Studio!

"Working out was not something I thought of as fun...... But now, I'm even a fan of squats! Every week I feel stronger and more confident in myself. Stef has a large variety of workouts and is very good at adapting them to each persons ability. She's great!" - Kim

Online Personal Training

I offer virtual personal training. Service includes:

• Personalized Workouts 

• Exercise Library

• Bi-Monthly Check-Ins

• Accountability

In-Personal Training 

I offer personal training services at Vitality Training Studio in Littleton, CO. 

Services include:

• Individual Training

• Small Group/Partner Training

• Group Classes

• Run Training Plans

• Nutrition Coaching

Due to COVID-19 and the Public Health mandate 20-22, we have closed our doors until April 30. If you are interested in working out with us virtually, we are providing real time training (classes and 1:1) - so contact us to set up a consultation. You can also follow us on social media here for  daily workouts.

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Please stay healthy!