CrossFit's Rise and Fall Amid Controversy
A new book titled The Glass Box explores the inner workings of CrossFit, which was founded by Greg Glassman in 2000.

CrossFit has been a household name for over two decades, with its unique blend of high-intensity workouts and community-driven atmosphere captivating millions worldwide.
Founded in 2000 by Greg Glassman, the company rapidly expanded to become one of the most recognizable fitness movements globally, boasting an impressive network of over 15,000 affiliate gyms across more than 150 countries.
The company's explosive growth was accompanied by a surge in popularity, with nearly 50,000 coaches being trained annually at its peak. This phenomenon led many people to associate CrossFit with exercise and working out in general.
However, the tide of public opinion began to shift following a series of allegations against Glassman in 2020. The controversy surrounding his leadership was further exacerbated by a tragic incident during the 2024 CrossFit Games, which resulted in the avoidable death of an athlete.
The company's reputation has been slowly eroding ever since, with its once-unwavering grip on popular culture beginning to loosen. Despite this decline, the story of CrossFit's rise and fall remains as complex and fascinating as ever.
In a new book titled The Glass Box, author Calum Marsh delves into the inner workings of CrossFit, drawing from insider sources including Glassman himself. The result is a meticulously researched account that provides a comprehensive understanding of the company's meteoric ascent and precipitous downfall.
Marsh has spoken publicly about his decision to write this book, which he describes as a fascinating and staggeringly detailed exploration of CrossFit's history. His research has yielded numerous previously unshared anecdotes that shed new light on the company's culture and practices.
Marsh recently discussed his book with an interviewer, who asked him about the potential risks of exposing CrossFit's darker side. Marsh revealed that he had initially encountered resistance from some sources, who warned him of the company's history of launching campaigns against its critics.
Marsh's book has sparked intense debate about CrossFit and its founder Greg Glassman. Critics have accused Marsh of being overly critical of Glassman, while others claim that he is too lenient in his portrayal of the company.
Despite the mixed reaction, Marsh remains confident in his approach to writing the book. He emphasizes that it is a fair and balanced account of the people involved, rather than a personal attack or opinion piece.
The reception has been divided among hardcore CrossFitters, with some viewing the book as a biased takedown of Glassman, while others see it as too flattering towards him. This polarized response suggests that Marsh's efforts to present an objective narrative have been successful in sparking discussion and debate.
Some critics have seized on certain aspects of the book, highlighting what they perceive as scandalous or unflattering details about Glassman's behavior. However, Marsh argues that these stories are merely a part of the larger picture, which also includes the company's achievements and innovations.
The author has noted that CrossFit's online presence is highly effective in discrediting critics, using social media to mobilize support and silence dissenting voices. This ability to shape public opinion has been a key factor in the company's growth and influence.
Marsh's own approach to writing the book was influenced by his desire to present a truthful account of events, rather than promoting a personal agenda or ideology. He aimed to provide an accurate representation of CrossFit and its founder, warts and all.
The book's portrayal of Glassman's personal life has been particularly noteworthy, with some critics accusing Marsh of being too soft on the company's founder. However, others have praised his willingness to confront uncomfortable truths about Glassman's behavior and leadership style.
Overall, the mixed reaction to Marsh's book suggests that it is a nuanced and thought-provoking exploration of CrossFit and its culture. While opinions may be divided, the book has undoubtedly sparked important conversations about the nature of cults and the power of social media in shaping public opinion.
The author's investigation into CrossFit reveals a complex web of behaviors that blur the lines between a fitness community and a cult. As they delved deeper into their research, it became increasingly apparent that the idea of CrossFit as a cult was not just a joke, but a serious concern.
One book that sheds light on this phenomenon is The Cult of CrossFit by Katie Rose Hejtmanek, which examines the history and sociology of cults through an academic lens. According to the author, this book provided valuable insights into why some people view CrossFit as a cult, highlighting similarities between the two.
The author notes that many former CrossFitters reported difficulty leaving the community, with some even being ostracized by their peers after speaking out against it. This phenomenon is particularly striking, as Greg Glassman has long maintained that one can leave CrossFit at any time. However, this claim rings hollow when compared to the experiences of those who have attempted to exit.
The author's own research revealed a culture within CrossFit that is far removed from its outward image as a health and fitness company. In fact, it appears to be a world of excess and hedonism, with tales of cocaine use, affairs, and lavish spending on private jets and fast food runs. These revelations are particularly surprising given the author's initial lack of awareness about CrossFit's internal culture.
The details of CrossFit's leadership's behavior paint a picture of a company that is more concerned with indulging its own desires than promoting healthy living. The author notes that while they had heard stories about Glassman's generosity, including his lavish spending on dinners, the full extent of the company's excesses came as a shock.
CrossFitters who have left the community or spoken out against it often report being cut off by their former peers, a phenomenon that echoes the behavior of cults. This suggests that CrossFit's influence extends far beyond its physical spaces, with many members becoming deeply invested in the community and its ideals.
The author's findings raise important questions about the nature of cults and how they can arise even within communities focused on seemingly positive activities like fitness. As the investigation continues, it becomes increasingly clear that CrossFit is a complex and multifaceted phenomenon that defies simple categorization.
As I dug deeper into the financial dealings of CrossFit's leadership, I began to uncover disturbing patterns that raised more questions than answers.
Insiders revealed that despite generating significant revenue, CrossFit's spending habits were grossly disproportionate to its earnings, with some years showing expenditures exceeding income by alarming margins.
This disconnect between income and outgoings is particularly striking given the fact that Glassman was a highly influential figure within the CrossFit community, whose decisions likely had far-reaching implications for the company's financial trajectory.
The revelation has left many in the business world scratching their heads, wondering how such a seemingly successful entity could have allowed its finances to spiral so out of control.
It appears that no one, including Glassman himself, was held accountable for these reckless spending habits until it was too late.
Glassman's downfall is all the more surprising given his initial impact on the CrossFit community. At its peak, he was a major figure in the industry, revered by many as a visionary and leader.
Over time, however, the cult-like following that surrounded Glassman began to take shape, with some members redefining their identities around the brand he created and led for so long.
This phenomenon is not dissimilar from the way fans respond to popular celebrities or musicians whose work has inspired them, until they're suddenly cancelled, that is.
In the wake of these revelations, longtime CrossFit affiliates have been grappling with how to reconcile their continued use of the CrossFit methodology with the problematic leadership that once spearheaded it.
For some, this meant a complete disaffiliation from the brand, while others chose to distance themselves from Glassman's legacy but continue practicing CrossFit in name only.
It appears that even after Glassman stepped down and sold the company, many gyms struggled to shake off their association with the troubled brand, instead opting for rebranding efforts that allowed them to continue using CrossFit equipment and techniques.
This has resulted in a proliferation of gyms that are effectively still CrossFit affiliates, albeit under new names and guises.
The transformation of CrossFit is still evident in its members, who remain committed to the methodology despite Greg Glassman's departure from the company in 2020. Despite no longer endorsing or supporting the brand, these individuals have not wavered in their dedication to the workout routine that has become a cornerstone of their fitness regimens.
A closer look at CrossFit gyms across North America reveals that many members are unaware of the changes that have taken place within the company. When asked about the difference between Glassman's tenure and the current corporate private equity-led management, gym owners often struggle to provide a clear answer. This lack of awareness is largely due to the loose affiliate model employed by CrossFit.
The affiliate system allows gyms to operate independently, with minimal oversight from CrossFit HQ. This has resulted in a diverse range of workout styles and atmospheres within individual boxes. Some gyms have adapted to the changing times, while others continue to adhere closely to the original CrossFit methodology.
In the early years of CrossFit's growth, affiliates were required to attend a seminar and pay an annual fee of $500 to use the CrossFit name. However, once they had met these basic requirements, they were largely left to their own devices. This lack of involvement from CrossFit HQ has contributed to the proliferation of gyms that are effectively still CrossFit affiliates, albeit under new names and guises.
For those who have been a part of the CrossFit community for an extended period, it is clear that the changes within the company have had little impact on their daily lives. Members continue to attend classes and workshops, often unaware of the behind-the-scenes power struggles that have shaped the company's direction.
The average member may not be aware of the intricacies of corporate management or the controversies surrounding Glassman's departure. However, they are still committed to the transformative power of CrossFit, which has become an integral part of their fitness routines.
As one long-time member noted, they first started attending a CrossFit box in 2018 and were initially unaware that it was even affiliated with the company. It wasn't until they began taking classes in 2019 that they became more familiar with the CrossFit brand and its methodology.
Despite their own involvement in the CrossFit community, some members have expressed frustration with the lack of transparency and accountability within the company. However, this has not deterred them from continuing to participate in the workout routine that has become a staple of their fitness regimens.
The language used by CrossFit is clear: it is not just a workout routine, but a community that demands unwavering dedication and loyalty.
Despite its troubled past, many enthusiasts continue to participate in the rigorous workouts that have become synonymous with the brand.
Meanwhile, a new player has emerged on the fitness scene: Hyrox, a company that shares some striking similarities with CrossFit. Its rise to prominence has coincided with CrossFit's apparent decline.
Like CrossFit, Hyrox has its own distinct language and jargon, which can sometimes feel like a barrier to newcomers. The merchandising efforts are also eerily similar, as if the two companies are vying for dominance in the same space.
The similarities between these two fitness cults have led some to wonder whether there is something inherent in the nature of fandom that lends itself to this kind of behavior. Enthusiasm can sometimes tip over into obsession, and it's not hard to see why people would want to identify with a particular brand or community.
In the absence of a charismatic leader like Greg Glassman, who was the public face of CrossFit for so long, Hyrox may be missing an essential ingredient that helps to fuel its devotees' passions.
Facts based on reporting originally published by GQ.
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