International Boxing Federation Muaythai On April 28 2018, Youssef Boughanem from Belgium and Morocco became the first world champion as non-Thai kickboxer. In addition, he was the current WBC Muaythai world Middleweight champion. IBF Muaythai sanctions 17 weight division as same as boxing. This is different from WBC Muaythai as it sanctions 19 weight divisions. International Boxing Federation Muaythai International Boxing Federation Muaythai (or IBF Muaythai) is commissioned under the jurisdiction of the International Boxing Federation (IBF) as a non-profit organization to regulate, control and supervise professional Muay Thai events worldwide. The International Boxing Federation had "1st Annual Convention of IBF Muaythai" in Bangkok,
World boxing championship records and statistics weight class. Keys: Though these lists do not include The Ring and lineal championship reigns after 1921, they only include title reigns during which the champion captured "The Ring" or lineal title. As of 23, 2019. As of 23, 2019. World boxing championship records and statistics Since at least John L. Sullivan, in the late 19th century, there have been world champions in professional boxing. At the very beginnings, before any sanctioning body was established, many boxers proclaimed themselves as legitimate champions. Eventually, champions were recognized through public acclamation, succesively establishing a lineage. Important sets of weight classes were those