CrossFit® Fortem

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The center is an official CrossFit® affiliate. Last checked: 29/07/2025

CrossFit is a registered trademark owned by CrossFit, LLC, which is not affiliated with FitFit United States.

Information about CrossFit® Fortem

S 2nd Ave 166
91786, Upland
+1 909-371-5765

Opening hours

  • Monday: 6:00 AM – 12:00 PM, 4:00 – 8:00 PM
  • Tuesday: 6:00 AM – 12:00 PM, 4:00 – 8:00 PM
  • Wednesday: 6:00 AM – 12:00 PM, 4:00 – 8:00 PM
  • Thursday: 6:00 AM – 12:00 PM, 4:00 – 8:00 PM
  • Friday: 6:00 AM – 12:00 PM, 4:00 – 8:00 PM
  • Saturday: 8:00 – 10:00 AM
  • Sunday: Closed

Services, Machines and Guided Classes

CrossFit®

CrossFit® Fortem: Opinions

5/5 (5 Opinions)
Shannon Pilittere 3 years ago

Fantastic experience: I can't give a high enough rating for this gym! Jackie and Josh are incredible! They have created an exciting and friendly workout environment who welcomes all different types of athletes, all ages and fitness levels! If you are reading this review looking for a CrossFit gym- look NO FURTHER!! Please go check this gym out, it's not just a gym it's a community of incredible members who make working out fun! This gym will change your life!

Timothy Dornaus 3 years ago

Fantastic experience: Love this place! Great, challenging workouts ready for you. All you have to do is show up.

Julianne McDorman 6 years ago

Fantastic experience: Best gym in the area, hands down. You’re treated like family here and the trainers are very knowledgeable.

Theresa Porter 6 years ago

Fantastic experience: We have just celebrated 3 years and CFK and it has been nothing short of amazing. The staff and community have been welcoming from day one. The environment is extremely inclusive for all levels from first timers to experienced athletes. They offer a variety of classes including kids classes! They truly tailor the workout to the individual, including nutrition coaching. If you’re looking to truly make a change but don’t know where to start, this is the place.

Isabella Acosta 6 years ago

Fantastic experience: Best gym ever they have a good kids class the trainer's are good class at Lot's of times so you can go at a the that is good for

Leave your opinion about CrossFit® Fortem:

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CrossFit® Fortem appears in the following listings:

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