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  • Welcome to The Den Power & Endurance

    Born out of the need to build a home for people who want to be a part of a gym culture
    that focuses more on physical and mental strength.

    COMPARE PRICINGLEARN MORE
  • Welcome to The Den Power & Endurance

    Born out of the need to build a home for people who want to be a part of a gym culture
    that focuses more on physical and mental strength.

    COMPARE PRICINGLEARN MORE

A culture of
Power & Endurance

Our culture is defined by hard work, resiliency, and perseverance.

Rancho Cucamongas Newest Gym.

Be a part of a gym culture that focuses on physical and mental strength.

Begin your transformation.

Challenge yourself, reach your goal. Your success will define our legacy.

Enter The Den.

Our mission is to create a culture of Power and Endurance by encouraging a sense of teamwork and accountability amongst our members.We believe passionately in the privilege of being a part of your fitness family. Allowing us to push you past your limits and being able to instill a sense of pride in your accomplishments.

TAKE Our Classes.

We offer a multitude of challenging and motivating classes that allow you to work out alone or with friends. Our trainers are highly educated and will make sure you give your all.
Some of our classes include:

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$15

Day Pass

7 Days

a week open

57 Classes

to choose from