Class Schedule

Class Milestone: Erik B(1000)

Friday, Sep 18, 2026

6:00am
7:00am
8:00am
9:00am

Saturday, Sep 19, 2026

9:00am

Monday, Sep 21, 2026

6:00am
7:00am
8:00am
9:00am
12:00pm
3:45pmKIDS CLASS
5:00pm

Tuesday, Sep 22, 2026

6:00am
7:00am
8:00am
9:00am
3:45pmKids Class
5:00pm

Wednesday, Sep 23, 2026

6:00am
7:00am
8:00am
9:00am
3:45pmKIDS CLASS
5:00pm

Thursday, Sep 24, 2026

6:00am
7:00am
8:00am
9:00am
12:00pm
3:45pmKIDS CLASS
5:00pm
661-373-7430
Kalos Sthenos Fitness
26620 Valley Center Drive #105
Santa Clarita, CA 91351 (view larger map)


5.0

20 reviews

Selena Rodriguez


5 months ago

The atmosphere, the motivation, and the inspiration here at Kalos Sthenos is TOP TIER ! The change in my physical mental and emotional health, In the short period of time that I’ve been here is amazing! Coach John’s nutritional guidance and d

Sue Higgins


a year ago

I discovered Kalos Sthenos Fitness on class pass about 2 years ago. When I walked in the owner, John asked my name and introduced me to the other members, I felt immediately welcomed. John really knows his stuff. When I have any aches or pains

Syd Cole


8 months ago

I decided to write a review at the end of this year to help others in making a choice of where they may want to go for their New Year's Fitness journey. This is the place. Coach John Devitt is a MASTER in Health and Fitness and has tailored a pro

Jose Alonso


8 years ago

Coach John, Cheryl & Lauren makes this place my home away from home. Friendly members and atmosphere, we all have different levels of physical condition but we all inspire and push each other to meet our goals. They keep you on your toes! Exc

Cynthia Schaefer


4 years ago

Kalos Sthenos Fitness has become an integral part of my daily routine. I have been working out at KSF for over 4 years now. Coach John is exceptional with his daily and weekly WOD’s (workout of the day). I am super dedicated and diligent to co