2009 World Youth Championships in Athletics – Boys' 100 metres
The Boys' 100 metres at the 2009 World Youth Championships in Athletics was held at the Brixen-Bressanone Sport Arena on 8 and 9 July. The event was won by Prezel Hardy of the United States. Medalists Records Prior to the competition, the following records were as follows. No new records were set during the competition. Heats Qualification rule: first 2 of each heat (Q) plus the 4 fastest times (q) qualified. Semifinals Qualification rule: first 4 of each heat (Q) qualified. Heat 1 Key: PB = Personal best, SB = Seasonal best Wind: 1.1 m/s Heat 2 Key: PB = Personal best, SB = Seasonal best Wind: 1.3 m/s Final Key: PB = Personal best, SB = Seasonal best Wind: −1.2 m/s References World Youth Championships 2009 2009 World Youth Championships in Athletics 100 metres at the IAAF World Youth Championships in Athletics