Career
At the 2008 Asian Championships he ranked 4th in the 56 kg category, with a total of 262 kg. He competed in Weightlifting at the 2008 Summer Olympics in the 56 kg division finishing eighth, with a new personal best of 265 kg. He beat his previous best by 3 kg.
He is 5 ft 3 inches tall.
On June 2005, Amirul Hamizan Ibrahim has tested positive for banned substance namely steroids in an out-of-competition test conducted by the National Sports Council of Malaysia and faced a ban of two years.