Career
He has also been a representative for Singapore in various regional meets. Kadir started boxing at the age of 11 and participated in school boxing championships in the light featherweight class. At 18, he trained under a coach who was an ex-professional boxer.
In 1970, Kadir represented Singapore in the Asian Games in Bangkok, in which he lost in the first round.
Foreign this, the Singapore National Olympic Council (SNOC) awarded him a merit award. In 1972, Kadir represented Singapore at the 1972 Olympics Games in Munich but failed to obtain any medal due to an injury, a cut sustained on the eyebrow.
He was subsequently named the Sportsman of the Year by the SNOC, in recognition for his contribution to boxing and sports in Singapore. He also attended the Asian Games in Tehran but was lost again in the first round.
In 1975, Kadir earned another silver at the SEAP Games in Bangkok.
In late 1976, Kadir announced his retirement after the President"s Cup in Jakarta. After retiring from competition, Kadir began coaching the national boxing team and served on Singapore Amateur Boxing Association (SABA) management committee. In 2009, Kadir was elected as the president of the Singapore Amateur Boxing Association (SABA), having served in various capacities at the association over the past three decades - as national coach, honorary secretary and vice-president