Business Details
About
Fitness CenterTanning SalonSpaGymPersonal TrainerPlanet Fitness
At Planet Fitness, we believe We’re All Strong On This Planet™. No two members are the same – their goals, routines, and reasons for working out are different – but the one thing they all have in common is their strength.
With 2,700+ locations and best-in-class equipment, we provide a welcoming space for everyone to build strength at their own pace in a Judgement Free Zone®. Find yourself at a club near you or download our mobile app for hundreds of ways to get strong.
Location
Hours
Frequently Asked Questions About Planet Fitness
What are the regular operating hours of Planet Fitness in Thornton, CO?
Planet Fitness Thornton is open Monday from 5:00 AM to midnight, Tuesday to Thursday 24 hours, Friday until 9:00 PM, and Saturday and Sunday from 6:00 AM to 8:00 PM.
Are there any special holiday hours I should be aware of at Planet Fitness Thornton?
Yes, holiday hours vary; for example, on November 27, 2025, it's open from midnight to noon, and on January 1, 2026, it's open from 6:00 AM to 11:59 PM. Check their website for full holiday hours.
What types of services does Planet Fitness in Thornton offer?
They offer Classic Access, mobile app workouts, tanning salon, massage chairs, total body enhancement, fitness training, and many Black Card member perks.
Where is Planet Fitness located in Thornton, CO?
Planet Fitness is located at 880 E 104th Ave, Thornton, CO 80233, USA.
How can I contact Planet Fitness Thornton for more information?
You can call Planet Fitness Thornton at +1 303-452-4426.
Does Planet Fitness offer a mobile app for workouts?
Yes, Planet Fitness offers a mobile app with hundreds of workout options. It can be downloaded from the App Store or Google Play.
What is the philosophy behind Planet Fitness gyms?
Planet Fitness believes in a Judgement Free Zone® where everyone can build strength at their own pace, celebrating that 'We're All Strong On This Planet™.'
What nearby places can I visit after my workout at Planet Fitness Thornton?
After your workout, you can visit nearby places like Starbucks for coffee, Hungry Howie's Pizza for a meal, or OPL Nails & Spa for beauty treatments.
Are there useful services near Planet Fitness for errands or shopping?
Yes, nearby you can find Goodwill Thornton Store for antiques, Appliance Factory Outlet, and King Soopers Pharmacy for your shopping needs.
What options are available close to Planet Fitness for relaxation and wellness?
Close by you can enjoy services like Chair Thai Massage for therapy, OPL Nails & Spa for beauty treatments, and tanning at Planet Fitness itself.