Athletics at the 1986 Commonwealth Games – Men's 100 metres

The men's 100 metres event at the 1986 Commonwealth Games was held at the Meadowbank Stadium in Edinburgh on 26 and 27 July 1986.

The winning margin was 0.21 seconds which as of 2024 remains the only time the men's 100 metres was won by more than 0.2 seconds at these games since the introduction of fully automatic timing.

Heats
Qualification: First 4 of each heat (Q) and the next 4 fastest (q) qualified for the semifinals.

Wind:


 * Heat 1: +2.0 m/s
 * Heat 2: +3.0 m/s
 * Heat 3: +2.5 m/s

Semifinals
Qualification: First 4 of each semifinal qualified directly (Q) for the final.

Wind:


 * Heat 1: -1.5 m/s
 * Heat 2: +3.2 m/s

Final
Wind: +1.6 m/s