Muhammad Amirudin Bin Jamal was the only one of five Singapore sprinters in action on the first day of athletics competition in the 100m and 400m heats to make it out of the heats. He clocked a season's best 10.61sec to qualify 16th for the semi-finals tomorrow. (Photo 8 courtesy of Jaewon Lee/Sport Singapore via Action Images Livepic)

Muhammad Amirudin Bin Jamal was the only one of five Singapore sprinters in action on the first day of athletics competition in the 100m and 400m heats to make it out of the heats. He clocked a season’s best 10.61sec to qualify 16th for the semi-finals tomorrow. (Photo 8 courtesy of Jaewon Lee/Sport Singapore via Action Images Livepic)