Who Made CrossFit? The Founder and His Legacy

By Sarah Miller · October 2, 2049

Greg Glassman is the founder of CrossFit, having developed the fitness regimen in the early 2000s and officially founding CrossFit, Inc. in 2000. He revolutionized functional fitness by combining elements of weightlifting, gymnastics, and high-intensity interval training into a scalable, community-driven workout model.

The Origins of CrossFit

CrossFit emerged as a radical departure from traditional gym routines, emphasizing functional movements performed at high intensity. The methodology was developed over years of experimentation and real-world application.

Early Development and Philosophy

Greg Glassman began shaping what would become CrossFit during his time as a gymnast and later as a police officer. His focus was on building broad, general physical preparedness (GPP) through constantly varied workouts.

First CrossFit gym opened in Santa Cruz, California in 1995
Official incorporation of CrossFit, Inc. in 2000
Launched CrossFit.com in 2001 with daily workouts (WODs)
Introduced affiliate model allowing global expansion

Key Principles Behind CrossFit

CrossFit's success stems from its foundational principles that prioritize adaptability, measurable progress, and community engagement.

Core Components of CrossFit Training

Functional Movements: Exercises that mimic real-life activities
High Intensity: Maximizing work output in minimal time
Constant Variation: Avoiding adaptation plateaus through changing stimuli
Measurable Results: Tracking performance via time, reps, or weight lifted
Community Support: Group-based motivation and accountability

Greg Glassman: The Man Behind CrossFit

Glassman’s background in law enforcement and personal training gave him insight into practical strength and conditioning needs. His vision was to create a fitness system accessible to all skill levels while remaining challenging for elite athletes.

Controversies and Leadership Changes

In June 2020, Glassman stepped down as CEO following controversial remarks on social media. This marked a turning point for CrossFit, Inc., which was later sold to Eric Roza and a group of investors in August 2020.

Loss of trust among affiliates and athletes due to public statements
Sale of CrossFit, Inc. ended Glassman’s direct control
New leadership focused on inclusivity and brand rehabilitation

Year	Event	Global Affiliate Count	Registered Athletes (Open)
2005	CrossFit Games inception (small event)	Under 100	N/A
2010	Rapid global growth phase	Over 1,600	Approx. 20,000
2015	Peak popularity under Glassman	Over 13,000	Over 180,000
2020	Leadership change after sale	Approx. 14,000	Over 200,000
2024	Post-rebranding stability	Approx. 12,500	Over 250,000

Table data source:1, 2

The data shows exponential growth in both affiliate gyms and athlete participation between 2005 and 2020, peaking around the time of ownership transition. Despite a slight decline in affiliate numbers post-2020, athlete engagement continues to rise, indicating strong grassroots resilience and evolving appeal beyond gym infrastructure.

Evolution of the CrossFit Games

What started as a backyard competition in Aromas, California evolved into one of the most grueling athletic events worldwide.

2007: First official CrossFit Games held
2010: Introduced regional qualification system
2017: Moved to NBC Sports for broader broadcast reach
2023: Rebranded format focusing on sport integrity and athlete safety

Impact on Global Fitness Culture

CrossFit has significantly influenced how people approach fitness, promoting measurable outcomes, community-based training, and functional movement patterns now adopted by military, fire departments, and mainstream gyms.

Legacy Beyond the Brand

Popularized terms like WOD, AMRAP, EMOM
Influenced HIIT programming across commercial gyms
Pioneered online workout distribution before social media boom
Set precedent for fitness franchising with decentralized model

Frequently Asked Questions About Who Made CrossFit

Who invented CrossFit?

Greg Glassman invented CrossFit in the late 1990s and formally launched it in 2000. He created the methodology based on functional movements, constant variation, and high intensity, laying the foundation for a global fitness movement.

When was CrossFit founded?

CrossFit was officially founded in 2000 when Greg Glassman registered CrossFit, Inc. However, the first CrossFit gym opened in Santa Cruz, California in 1995, where he began testing his training philosophy.

Why did Greg Glassman leave CrossFit?

Greg Glassman left CrossFit in June 2020 after making insensitive comments on social media regarding George Floyd’s death. The backlash led to widespread affiliate cancellations, prompting him to step down. CrossFit, Inc. was sold shortly afterward.

Is Greg Glassman still involved with CrossFit?

No, Greg Glassman is no longer involved with CrossFit. After stepping down in 2020, the company was sold to Eric Roza and other investors who now oversee operations, branding, and the CrossFit Games.

How did CrossFit become so popular?

CrossFit gained popularity through its unique combination of community-driven workouts, measurable results, and viral scalability. The launch of the CrossFit Games, media coverage, and an open affiliate model allowed rapid global adoption starting in the mid-2000s.