Original Detroit gym KRONK began to earn fame during the late 1970s, when prospects like
Hilmer Kenty, Thomas Hearns and
Mickey Goodwin trained there. In 1980, Kenty became KRONK's first world champion, Hearns following him months after. In 1983, KRONK fighter
Milton McCrory won the
WBC welterweight title vacated by
Sugar Ray Leonard;
Jimmy Paul beat
Harry Arroyo for the
International Boxing Federation's world lightweight title in 1985.
Duane Thomas, another KRONK fighter, beat
John Mugabi for the WBC light middleweight title in 1986. McCrory's brother,
Steve McCrory, was also a world champion who as an amateur won the
flyweight gold medal at the
1984 Summer Olympics in
Los Angeles. In 1984 four KRONK team members of various weight classes were ranked world's top ten by
AIBA: Steve McCrory #1 at 112 lbs,
Mark Breland #1 at 147 lbs,
Frank Tate #5 at 156 lbs, and
Ricky Womack #3 at 178 lbs. In the 1990s the KRONK stable included two-time WBA welterweight champion Mark Breland, top amateur prospect and future contender
Tarick Salmaci, and repeat welterweight contender
Oba Carr. Among the many world champions who trained at KRONK at least once during their careers are
Michael Moorer,
Wilfred Benítez (in the Tucson gym),
Héctor Camacho,
Julio César Chávez,
Naseem Hamed,
Evander Holyfield,
Lennox Lewis,
Jermain Taylor and
Tyson Fury.
Tucson gym KRONK opened a second gym in
Tucson, Arizona during the 1990s. A new host of fighters who would later become world champions arrived there, including
Gerald McClellan. The KRONK "
franchise" began to sell KRONK merchandise through catalog sales. In 1998 KRONK opened KRONK Gym website, promoting the gyms and their fighters.
Detroit gym closure In September 2006, the original gym at 5555 McGraw Avenue between 33rd and Junction Streets in Detroit closed temporarily after thieves stole copper water pipes, cutting off supply to the building. Boxers relocated to a Dearborn Gold's Gym. A "Save the KRONK" campaign aimed at keeping the facilities from closing due to budget shortfall was spearheaded by Emanuel Steward. The campaign would ultimately work toward building a new KRONK. The gym and recreation center was officially closed by the Recreation Department on November 28, 2006, due to the prohibitive cost of repairs to the plumbing and building infrastructure. In the past few years, the Detroit gym relocated to a new facility in a storefront on West Warren Avenue. On October 7, 2017, the original KRONK Gym went up in flames in a suspicious fire. The roof was destroyed and the basement gym was heavily damaged.
Reopening The new facility opened on
Memorial Day weekend in 2015 at 9520 Mettetal St. On August 20, 2020, during the
COVID-19 pandemic and subsequent restrictions on sports events, the gym hosted its first ever professional boxing event, a long-time dream held by Steward. The card was headlined by KRONK fighter
Vladimir Shishkin who defeated Oscar Riojas via ninth-round
technical knockout.
Closing The gym at 9520 Mettetal St, operated for several years and hosted both professional and amateur fighters. In 2020, the building was forced to close after sustaining significant flooding damage, and operations were discontinued at that site.
NEW KRONK GYM - Brewster Wheeler Recreation Center In late 2025, KRONK Gym will return to Detroit, reopening in the historic Brewster‑Wheeler Recreation Center at 670 Wilkins . Under new ownership, led by members of founder Emanuel Steward's family (Marie Steward and Sylvia Steward‑Williams) alongside original KRONK champions such as Hilmer Kenty and a leadership team including Paul Bhatti, John Lepak, Amer Abdallah, and Mikey Shumaker, the 3,500 sq ft facility will offer high-performance training space for both amateur and professional boxers. The gym's mission is to develop future Olympians and world champions while fostering deep community engagement, including youth programs and mentorship, in keeping with Emanuel Steward's legacy . City leaders, including Mayor Mike Duggan, described the project as a fitting revival of a building long tied to Detroit's boxing heritage, one that was nearly demolished before being repurposed for this revival . ==References==