1990 World Junior Championships in Athletics – Men's 100 metres

Final

9 August
Wind: +0.6m/s

Semifinals

9 August

Semifinal 1

Wind: +2.1m/s

Semifinal 2

Wind: +0.7m/s

Quarterfinals

8 August

Quarterfinal 1

Wind: -2.1m/s

Quarterfinal 2

Wind: -1.4m/s

Quarterfinal 3

Wind: +0.5m/s

Quarterfinal 4

Wind: -1.8m/s

Heats

8 August

Heat 1

Wind: -1.0m/s

Heat 2

Wind: +2.0m/s

Heat 3

Wind: -0.1m/s

Heat 4

Wind: -0.9m/s

Heat 5

Wind: -0.2m/s

Heat 6

Wind: +0.7m/s

Heat 7

Wind: +0.4m/s

Participation

According to an unofficial count, 55 athletes from 38 countries participated in the event.