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

The men's 100 metres event at the 1990 World Junior Championships in Athletics was held in Plovdiv, Bulgaria, at Deveti Septemvri Stadium on 8 and 9 August.

Final
9 August Wind: +0.6 m/s

Semifinals
9 August

Semifinal 1
Wind: +2.1 m/s

Semifinal 2
Wind: +0.7 m/s

Quarterfinals
8 August

Quarterfinal 1
Wind: -2.1 m/s

Quarterfinal 2
Wind: -1.4 m/s

Quarterfinal 3
Wind: +0.5 m/s

Quarterfinal 4
Wind: -1.8 m/s

Heats
8 August

Heat 1
Wind: -1.0 m/s

Heat 2
Wind: +2.0 m/s

Heat 3
Wind: -0.1 m/s

Heat 4
Wind: -0.9 m/s

Heat 5
Wind: -0.2 m/s

Heat 6
Wind: +0.7 m/s

Heat 7
Wind: +0.4 m/s

Participation
According to an unofficial count, 55 athletes from 38 countries participated in the event. • 🇦🇺 australia (2)

• 🇦🇹 austria (1)

• 🇧🇪 belgium (1)

• 🇧🇴 bolivia (1)

• 🇧🇬 bulgaria (1)

• undefined (1)

• 🇨🇦 canada (2)

• 🇨🇮 Côte d'Ivoire (2)

• 🇨🇺 cuba (2)

• 🇨🇾 cyprus (1)

• undefined (1)

• 🇪🇹 ethiopia (1)

• 🇫🇮 finland (1)

• 🇫🇷 france (1)

• undefined (2)

• 🇮🇪 ireland (2)

• 🇮🇱 israel (1)

• 🇮🇹 italy (2)

• 🇯🇲 jamaica (2)

• 🇯🇵 japan (2)

• undefined (1)

• 🇱🇮 liechtenstein (1)

• 🇱🇺 luxembourg (1)

• 🇲🇹 malta (1)

• 🇳🇦 namibia (1)

• undefined (2)

• undefined (1)

• undefined (2)

• 🇪🇸 spain (2)

• undefined (1)

• 🇸🇪 sweden (2)

• undefined (1)

• undefined (2)

• 🇺🇸 united states (2)

• 🇻🇪 venezuela (2)

• undefined (2)

• undefined (1)

• undefined (1)