Athletics at the 1978 Commonwealth Games – Men's 100 metres

The men's 100 metres event at the 1978 Commonwealth Games was held on 6 and 7 August at the Commonwealth Stadium in Edmonton, Alberta, Canada.

Heats
Held on 6 August

Qualification: First 5 in each heat (Q) and the next 2 fastest (q) qualify for the quarterfinals.

Wind: Heat 1: ? m/s, Heat 2: ? m/s, Heat 3: ? m/s, Heat 4: -1.3 m/s, Heat 5: ? m/s, Heat 6: ? m/s

Quarterfinals
Held on 6 August

Qualification: First 3 in each heat (Q) and the next 4 fastest (q) qualify for the semifinals.

Wind: Heat 1: +0.9 m/s, Heat 2: +1.5 m/s, Heat 3: +1.4 m/s, Heat 4: -1.3 m/s

Semifinals
Held on 7 August

Qualification: First 4 in each semifinal (Q) qualify directly for the final.

Wind: Heat 1: -0.3 m/s, Heat 2: +4.6 m/s

Final
Held on 7 August

Wind: +7.6 m/s