1986 World Junior Championships in Athletics – Men's 100 metres

The men's 100 metres event at the 1986 World Junior Championships in Athletics was held in Athens, Greece, at Olympic Stadium on 16 and 17 July.

Final
17 July Wind: +0.9 m/s

Semifinals
17 July

Semifinal 1
Wind: +1.9 m/s

Semifinal 2
Wind: +1.7 m/s

Quarterfinals
17 July

Quarterfinal 1
Wind: -0.5 m/s

Quarterfinal 2
Wind: -1.0 m/s

Quarterfinal 3
Wind: -2.7 m/s

Quarterfinal 4
Wind: -0.1 m/s

Heats
16 July

Heat 1
Wind: +2.2 m/s

Heat 2
Wind: +1.7 m/s

Heat 3
Wind: -2.9 m/s

Heat 4
Wind: -2.4 m/s

Heat 5
Wind: +2.5 m/s

Heat 6
Wind: +1.0 m/s

Heat 7
Wind: +2.5 m/s

Heat 8
Wind: +1.1 m/s

Heat 10
Wind: +1.0 m/s

Heat 11
Wind: -2.0 m/s

Participation
According to an unofficial count, 81 athletes from 60 countries participated in the event. • 🇦🇫 afghanistan (1)

• undefined (1)

• 🇦🇬 antigua and barbuda (1)

• 🇦🇺 australia (2)

• undefined (2)

• undefined (1)

• 🇧🇬 bulgaria (2)

• 🇨🇦 canada (2)

• undefined (1)

• 🇨🇳 china (1)

• 🇨🇴 colombia (1)

• 🇰🇲 comoros (1)

• undefined (1)

• 🇨🇰 cook islands (1)

• 🇨🇺 cuba (2)

• 🇨🇾 cyprus (1)

• 🇩🇴 dominican republic (1)

• 🇪🇬 egypt (1)

• undefined (1)

• 🇪🇹 ethiopia (1)

• undefined (1)

• 🇫🇷 france (1)

• 🇬🇭 ghana (2)

• undefined (1)

• 🇮🇳 india (1)

• undefined (2)

• 🇮🇹 italy (2)

• 🇯🇵 japan (2)

• undefined (1)

• 🇲🇹 malta (1)

• 🇲🇽 mexico (1)

• 🇲🇸 montserrat (1)

• 🇲🇦 morocco (1)

• undefined (2)

• undefined (1)

• 🇵🇦 panama (1)

• 🇵🇬 papua new guinea (1)

• 🇵🇱 poland (2)

• undefined (1)

• undefined (2)

• undefined (1)

• 🇸🇱 sierra leone (1)

• undefined (2)

• 🇰🇷 south korea (1)

• undefined (1)

• undefined (2)

• 🇪🇸 spain (2)

• undefined (1)

• 🇸🇪 sweden (1)

• undefined (2)

• 🇹🇭 thailand (2)

• undefined (2)

• undefined (1)

• undefined (2)

• 🇺🇸 united states (2)

• undefined (1)

• undefined (1)

• undefined (1)

• undefined (2)

• undefined (1)