Adult & Youth CrossFit Classes in Portland, OR

The Underground PDX

We use fitness to build resilience, confidence, and leadership so athletes can face life’s challenges with strength and maturity.

Empowering the Next Generation

We believe in the next generation and their potential to change the world. Yet many young people do not have the same access to resources as others. Without access to resources, it’s often hard to see the bigger picture or the path forward. 


By providing a critical network of support and imperative skills, we help empower our athletes to tackle the challenges and continued barriers they face outside of our program. Through a foundation of functional fitness and strength training, we open their eyes to new perspectives by challenging their limits. We support them in setting goals and breaking them.

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Mission

THE UNDERGROUND empowers young people to build physical and mental strength for life by providing access to a network of community-based fitness programs and mentorship.

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Values

At The Underground PDX, our athletes, coaches, and volunteers live by our H3 values, which guide our actions and shape our positive gym culture.


We stay Humble (coachable, selfless, grateful), Hungry (committed, diligent, accountable), and Honest (trustworthy, responsible, strong in character).

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Vision

A world where all young people feel strong, capable, and confident to become the best version of themselves.

Adult CrossFit

Adult CrossFit at The Underground PDX in Portland, OR delivers high-intensity, functional training that builds strength, confidence, and lasting fitness.


Our expert coaches create a supportive, community-driven environment where every workout moves you closer to your goals.

Youth Classes

Youth CrossFit at The Underground PDX helps kids and teens in Portland, OR build strength, confidence, and character through fun, safe, and age-appropriate training.


We teach proper movement, teamwork, and resilience—empowering young athletes to grow on and off the gym floor.

Personal Training

Personal Training at The Underground PDX provides fully customized, one-on-one coaching to help you reach your specific goals.


Our Portland, OR coaches design tailored programs that build strength, improve movement, and deliver measurable progress.

Bootcamp

Bootcamp at The Underground PDX in Portland, OR offers fast-paced, high-energy workouts designed to build strength, boost conditioning, and deliver full-body results.


Perfect for all fitness levels, these classes keep you motivated and moving.

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This place is amazing!! I love the coaches and their whole team!! Everyone is so caring and kind. My daughter loves going to CrossFit, working out with her besties  and chatting with the coaches and mentors who are awesome!!

- Ines Betancourt
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Love this group of people! Fun, encouraging, supportive and down right fun! A great place for ALL fitness levels! Definitely something to check out with your 6th-12th graders!

- Lori Soriano

Member Reviews

See what our members are saying about their experience at The Underground.


Join our community and experience the difference for yourself.

Contact Us

If you have any questions regarding our classes, please fill out the form and we will get in touch with you.

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Build the Future, One Athlete at a Time

Help your young athlete grow with training that develops resilience, character, and lifelong healthy habits.