Career
Hansen competed for Denmark at the 1968 Summer Olympics in the welterweight division but lost his first match. Hansen turned professional shortly after the games and was active as a professional until 1982. Hansen fought for the world light welterweight title (WBC-version) in 1973, but was stopped by Italian Bruno Arcari.
In 1978 he was awarded a chance to regain the title against Frenchman Alain Marion whom Hansen stooped in the 6 round of the title bout.
Hansen later lost the title by disqualification. Hansen retired in 1982 with a professional record of 78-14-0 (34 KO"s).