Make Every Day Better with 24 Hour Fitness

At 24 Hour Fitness, we believe your gym time should be the high point of your day. Our Thornton gyms are close to work and home, with amazing fitness classes, experienced personal trainers and all the equipment you need to get into your zone and get moving.

Thornton Gyms

Thornton Club front picture
Thornton Sport Gym

10001 Grant Street
Thornton,CO 80229