Muhammad Amirudin Jamal, the only Singaporean in action on the second day of athletics competition, improved his 100m season's best by a hundredth of a second to 10.60sec. He did not qualify for the final. (Photo 7 courtesy of Sport Singapore via Action Images Livepic)

Muhammad Amirudin Jamal, the only Singaporean in action on the second day of athletics competition, improved his 100m season’s best in the semi-finals by a hundredth of a second to 10.60sec. He did not qualify for the final. (Photo 7 courtesy of Dyan Tjhia/Sport Singapore)