The men's 100 metres event at the 2008 World Junior Championships in Athletics was held in Bydgoszcz, Poland, at Zawisza Stadium on 8 and 9 July.
[1][2] 9 July Wind: -0.8 m/s 8 July Wind: -0.6 m/s Wind: +0.3 m/s Wind: -0.4 m/s 8 July Wind: -0.2 m/s Wind: +1.1 m/s Wind: +0.2 m/s Wind: +0.1 m/s Wind: +0.1 m/s Wind: +0.5 m/s Wind: -0.7 m/s Wind: -0.7 m/s Wind: -0.7 m/s According to an unofficial count, 75 athletes from 60 countries participated in the event.