WHERE TRAINING
MEETS
COMMUNITY

A multi-level lifestyle club combining Elite Boxing, comprehensive performance training, and community — all under one roof on Chicago’s Goose Island.

OUR MISSION

TRANSFORMING LIVES THROUGH SPORT & FITNESS

UNDEFINED x One Way Boxing Club is a one-of-a-kind fitness experience. Where One Way Boxing Club serves as the centerpiece of where sport and community come together through the medium of Boxing from the passion and creative vision of "Daboxingdude", The UNDEFINED boldly delivers a one-of-a-kind fitness experience by combining elite and comprehensive functional training from the passion and expertise of Elite Trainer William “Billy” Hubert.

Together, we highlight stories of success, transformation, and empowerment.

A bearded man in a black long sleeve shirt standing in a gym next to a rack of dumbbells, with his hands on his hips, inside a space with large windows and exposed brick walls.

WHAT WE STAND FOR

THREE PILLARS. ONE STANDARD.

People working out in a gym, performing exercises with black medicine balls and other equipment in a spacious, industrial-style fitness center with brick walls and large windows.

01

ELITE
PERFORMANCE

Training Programs designed to push boundaries and unlock your full athletic potential.

Two men working out on treadmills in a gym with industrial ceiling and bright lights.

02

PERSONAL DEVELOPMENT

More than physical fitness — we build discipline, confidence, and mental resilience every session.

Three women performing weighted lunges on a gym track, with weight plates on their shoulders, in a fitness center filled with gym equipment.

03

PHYSICAL
FITNESS

Comprehensive programming for every level, from beginners to expert, from Youth to Adults

Two women workout in a gym. One woman is lifting weights while the other watches. The gym has weights, workout machines, and a high ceiling with fluorescent lighting.
Fitted gym with dumbbells, weight machines, exercise bikes, medicine balls, kettlebells, and a framed mirror along the back wall.
A group of five people in a gym, with one man in the center demonstrating an exercise, surrounded by others watching. The gym has large windows and various weights on the floor.

OUR STORY

SUCCESS, TRANSFORMATION, EMPOWERMENT.

At UNDEFINED, transformation isn’t just the goal — it’s what happens when elite training, real community, and relentless purpose come together under roof. Every class, every set, every rep is a step toward becoming something greater.

We show up for each other. We celebrate every win. We believe that sport and fitness have the power to reshape not just bodies, but lives, stories, and futures.

Our facility was designed to be a destination — a place that earns your commitment every time you walk through the door.

ONLY AT UNDEFINED

WHAT SETS US APART

Two women in a gym, one lifting a barbell with weights while the other supervises, in a black and white photo.
A young man in a gym, wearing a red cap, olive green hoodie, shorts, and black leggings, standing near dumbbells and gym equipment. The image is in black and white except for the red cap and parts of the hoodie and shorts which have white text that reads 'IT'S ALL ON U.'

UNLIMITED S&C CLASSES

Strength & Conditioning programs for all fitness levels. Available for both Youth and Adults.

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PERSONAL TRAINING

1-1 Sessions with expert Coaches tailored to your goals — whether you’re starting out or leveling up.

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MERCHANDISE

Elite training programs designed by Billy Hubert to build performance from the ground up

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OPEN GYM ACCESS

Strength & Conditioning programs for all fitness levels. Available for both Youth and Adults.

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SAUNA & COLD PLUNGE

Recovery area designed to accelerate muscle recovery

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