Class Schedule

Saturday, Jan 10, 2026

9:00am

Monday, Jan 12, 2026

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

Tuesday, Jan 13, 2026

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

Wednesday, Jan 14, 2026

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

Thursday, Jan 15, 2026

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

Friday, Jan 16, 2026

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


5.0

17 reviews

Jose Alonso


7 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


3 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

Roxanne Blank


3 weeks ago

Update: Since joining Kalos Sthenos Fitness (aka KFS) 6 years ago, I’ve learned so much about fitness, nutrition and how to apply it in my daily routine. Coach John is very knowledgeable and guides his members with intentional and specialized p

Sue Higgins


10 months 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


2 weeks 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