THORNT Gym in Thornton ON

Locally owned and Operated by Veterans


24/7 7 DAYS A WEEK

Memberships start at $9.99/ month!

Kids Club

Kids Club is here!!! Hours are M-F 8am-11am & 4pm-8pm


1st Month FREE!.  Regular price is $20 a month!

Give us a call or see the front desk for more details.

Contact Us

Powerhouse Gym Thornton

4251 East 104th Ave, Thornton, CO 80233


Free Classes

Total Body! Ever Monday @ 6:30pm

Join Michelle Monday @ 6:30pm for the ULTIMATE Total Body Training Class.

ABS Class! Every Tuesday @ 7pm

Let Michelle stimulate those long lost abs in an amazing ab sculpting class.

Lower Body Pump! Every Wednesday @ 630pm

Take those Glutes to the next level in Siara's class focused on lower body.

About Us

Powerhouse Gym, where results transpire

Locally owned, family feel
24/7/365 access for members
Our staffed hours  for non-members:  Mon-Thur 8am-8pm, Fri 8am-6pm, Sat 8am-2pm, Sun 9am-2pm

Invested in members success
No intimidation, all ability levels
Expert Personal Training
Free classes
Great equipment
Never busy
Comfortable and welcoming

Powerhouse Gym, the strongest name in fitness.


Gym in Henderson Gym in Thornton Personal Training in Thornton

Training Expertise


Our Personal Trainers are nationally certified and have the education and experience to guide you to peak physical fitness. Whether you’re looking to lose a little or a lot of weight, put on mass or run faster, we can help you accomplish your goals and beyond. We are the leaders in private and semi-private personal training in Thornton.