Mazlan Hamzah was eliminated in the heats of the 100 yards, of the 220 yards, and of the 4×440 yards (with [Karu Selvaratnam], [Mohamed bin Abdul Rahman], and [Victor Asirvatham]) at the 1962 British Empire and Commonwealth Games. In the British Empire and Commonwealth Games Hamzah competed for Malaya.
Personal Best: 100 – 10.8 (1965).
|1964 Summer||Tokyo||Athletics||Men's 4 × 100 metres Relay||Malaysia||MAS||6 h1 r1/3|
|1964 Summer||Tokyo||Athletics||Malaysia||MAS||Round One||Heat One||6||41.4|