Israel Adesanya Departs City Kickboxing After 16 Years to Pursue Bespoke Training Model

For sixteen years, the partnership between Israel Adesanya and City Kickboxing stood as one of the most formidable alliances in modern mixed martial arts. Operating out of Auckland, New Zealand, head coach Eugene Bareman and his star pupil built a dynasty that captured two Ultimate Fighting Championship middleweight titles and redefined elite striking inside the octagon. But the lifecycle of a professional athlete is defined by constant evolution, and sometimes growth requires stepping outside of the environment that built you. In a candid announcement to his supporters, Adesanya confirmed that he has officially parted ways with the gym he called home since 2009, closing a historic chapter in combat sports.[1][2]

The split, which became effective following a face-to-face conversation between Adesanya and Bareman on May 20, was described by the former champion as a bittersweet but necessary step for his personal and professional development. Rather than a dramatic fracture, the departure represents a mutual understanding between a fighter seeking reinvention and a coach who guided him to the pinnacle of the sport. Adesanya emphasized that there is no animosity, crediting City Kickboxing for molding him into a global superstar while acknowledging his own role in elevating the Auckland facility into a premier destination for international talent.[3][4]

The catalyst for this monumental shift is rooted in the harsh realities of athletic longevity and the relentless pursuit of excellence. Adesanya is currently navigating the most challenging stretch of his professional career, enduring a four-fight losing streak that culminated in a second-round technical knockout defeat to Joe Pyfer in March 2026. For a fighter accustomed to an aura of invincibility, this unprecedented skid prompted a deep period of introspection. Recognizing that elite performance requires constant adaptation, Adesanya invoked the classic definition of insanity—doing the same thing repeatedly while expecting a different result—as the driving force behind his decision to seek a new training paradigm.[1][5]

To understand the magnitude of this transition, one must examine the mechanics of a world-class mixed martial arts camp. Mega-gyms like City Kickboxing operate on the principle of "iron sharpens iron," assembling a deep roster of elite contenders who push each other through grueling, high-intensity sparring sessions. This environment is unparalleled for forging tough, battle-tested athletes and developing a cohesive team culture. However, as a gym’s reputation grows and its stable of fighters expands, the distribution of coaching resources naturally shifts to accommodate the collective needs of the team, which can sometimes dilute the hyper-focused attention required by a veteran champion.[6][7]

For a seasoned veteran like the thirty-six-year-old Adesanya, the requirements for a successful fight camp fundamentally change as a career progresses. The physical toll of over a decade of hard sparring and the strategic complexity of competing at the championship level often necessitate a shift away from the chaotic energy of a crowded gym. Instead, late-career reinvention frequently relies on bespoke, highly individualized training regimens tailored specifically to the athlete's aging body, unique skill set, and immediate tactical needs. Adesanya explicitly cited this requirement, stating that he now needs "focused, individual training" to correct his course and return to the win column.[5][6]

This transition from a team-centric model to a bespoke training camp is a well-documented evolutionary step for many of combat sports' greatest icons. Rather than assimilating into the established hierarchy of another mega-gym, Adesanya is reportedly adopting a nomadic approach to his preparation. By untethering himself from a single geographic location, he gains the flexibility to source specialized coaching and specific sparring partners on an ad-hoc basis, building a custom infrastructure around his specific requirements for each upcoming bout.[6][7]

Despite stepping away from the City Kickboxing umbrella, Adesanya is not entirely abandoning the foundational relationships that shaped his career. He has confirmed that he will continue to work closely with Andrei Paulet, the wrestling coach who has been instrumental in developing his grappling defense over the years. Retaining a trusted mentor provides a crucial layer of continuity and technical familiarity as Adesanya navigates the uncertainties of building a new, decentralized training apparatus from the ground up.[1][6]

The legacy that Adesanya and City Kickboxing leave behind is permanently etched into the history of mixed martial arts. Together, they transformed a modest facility in New Zealand into a global powerhouse, producing multiple champions and contenders across various weight classes and organizations. Adesanya’s rise under Bareman’s tutelage yielded one of the most spectacular middleweight title runs in UFC history, featuring five consecutive defenses between 2019 and 2022. Their partnership proved that world-class talent could be cultivated outside of the traditional North American and Brazilian strongholds, fundamentally shifting the geographic landscape of the sport.[1][4]

As Adesanya looks toward the future, the combat sports community is actively speculating on his potential landing spots. While his nomadic strategy suggests he will not permanently anchor himself to a single facility, elite training centers in Thailand, such as Tiger Muay Thai or Bangtao Muay Thai, are frequently cited as ideal environments for a striker of his caliber to sharpen his tools. These camps offer a blend of world-class striking instruction, diverse sparring partners, and a degree of anonymity that could provide the perfect sanctuary for a fighter seeking a quiet, focused reset.[7]

The psychological component of this transition cannot be overstated. Leaving a gym after sixteen years is akin to leaving a family, a reality Adesanya acknowledged by describing his grief as coming in waves. The comfort of a familiar routine and the camaraderie of longtime teammates are powerful anchors, and severing those ties requires a immense amount of courage and self-awareness. By voluntarily stepping into the unknown, Adesanya is demonstrating a profound commitment to his craft, prioritizing his competitive evolution over the safety of his comfort zone.[3][4]

Ultimately, Adesanya’s departure from City Kickboxing is not a story of fracture or failure, but a testament to the relentless pursuit of greatness. It highlights the difficult choices elite athletes must make to extend their prime and adapt to the ever-changing demands of their sport. Whether this bold reinvention leads to another championship reign or simply allows him to close out his legendary career on his own terms, Adesanya’s willingness to embrace change serves as a powerful example of athletic resilience and the enduring quest for self-improvement.[2][6]

The broader trend of champions building bespoke teams in their late careers provides a roadmap for Adesanya's next chapter. Athletes who reach the absolute pinnacle of their sport often find that the generalized curriculum of a large team no longer serves their hyper-specific needs. By transitioning to a model where the athlete acts as the CEO of their own training camp—hiring specialized striking, grappling, and strength coaches as independent contractors—fighters can ensure that every minute of their preparation is optimized for their individual success, free from the compromises inherent in a shared gym environment.[6][7]

The uncertainty surrounding Adesanya's next opponent adds an intriguing layer of complexity to his ongoing reinvention. While he has firmly shut down any speculation regarding retirement following his recent setbacks, the UFC has yet to announce a timeline or a matchup for his return to the octagon. This competitive hiatus provides Adesanya with a crucial window of opportunity to fully integrate his new training methodology, allowing him to experiment with different coaching dynamics and sparring environments without the immediate pressure of an impending fight camp.[1][7]

For City Kickboxing, the departure of its most famous alumnus marks the end of a defining era, but it also opens the door for the next generation of talent to step into the spotlight. The gym's infrastructure, built in large part on the foundation of Adesanya's success, remains robust and capable of producing future champions. The mutual respect maintained throughout this transition ensures that the gym's legacy remains untarnished, serving as a blueprint for how fighters and coaches can navigate the complex, often emotional business of parting ways with grace and professionalism.[2][4]