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
Latest Blog Posts
Online Personal Training
I offer virtual personal training. Service includes:
I offer personal training services at Vitality Training Studio in Littleton, CO.
Small Group/Partner Training
Run Training Plans