Men's 100 metres at the 1986 Commonwealth Games
Venue	Meadowbank Stadium
Dates	26-27 July
Competitors	19 from 11 nations
Winning time	10.07
Medalists
Ben Johnson    Canada   Linford Christie    England   Mike McFarlane    England
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Athletics at the 1986 Commonwealth Games
Track events
100 m	men	women
200 m	men	women
400 m	men	women
800 m	men	women
1500 m	men	women
3000 m		women
5000 m	men
10,000 m	men	women
100 m hurdles		women
110 m hurdles	men
400 m hurdles	men	women
3000 m steeplechase	men
4×100 m relay	men	women
4×400 m relay	men	women
Road events
Marathon	men	women
30 km walk	men
Field events
High jump	men	women
Pole vault	men
Long jump	men	women
Triple jump	men
Shot put	men	women
Discus throw	men	women
Hammer throw	men
Javelin throw	men	women
Combined events
Heptathlon		women
Decathlon	men

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.^[1]

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.

Qualification: First 4 of each heat (Q) and the next 4 fastest (q) qualified for the semifinals.^[2]

Wind:

• Heat 1: +2.0 m/s
• Heat 2: +3.0 m/s
• Heat 3: +2.5 m/s^[3]

Rank	Heat	Name	Nationality	Time	Notes
1	2	Ben Johnson	Canada	10.15	Q
2	2	Jamie Henderson	Scotland	10.29	Q
3	1	Linford Christie	England	10.31	Q
4	3	Elliot Bunney	Scotland	10.32	Q
5	2	Mike McFarlane	England	10.38	Q
6	2	Simon Baird	Northern Ireland	10.40	Q
7	1	Desai Williams	Canada	10.49	Q
7	3	Clarence Callender	England	10.49	Q
9	2	Robert Stone	Australia	10.51	q
10	3	Gerrard Keating	Australia	10.56	Q
11	1	Cameron Sharp	Scotland	10.57	Q
12	1	Jerry Jeremiah	Vanuatu	10.66	Q
13	3	Michael Dwyer	Canada	10.81	Q
14	3	Maloni Bole	Fiji	10.94	q
15	3	Nelson Chan Ka Chiu	Hong Kong	10.95	q
16	1	Chris Perry	Australia	11.00	q
17	2	Sunday Maweni	Botswana	11.01
18	2	Clifford Sibusiso Mamba	Swaziland	11.05
19	1	William Akanoa	Cook Islands	11.81

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

Wind:

• Heat 1: -1.5 m/s
• Heat 2: +3.2 m/s

Rank	Heat	Name	Nationality	Time	Notes
1	2	Ben Johnson	Canada	10.18	Q
2	1	Linford Christie	England	10.29	Q
2	2	Mike McFarlane	England	10.29	Q
4	2	Elliot Bunney	Scotland	10.31	Q
5	2	Clarence Callender	England	10.32	Q
6	1	Desai Williams	Canada	10.41	Q
7	2	Michael Dwyer	Canada	10.42
8	2	Robert Stone	Australia	10.47
9	1	Jamie Henderson	Scotland	10.59	Q
10	1	Gerrard Keating	Australia	10.60	Q
11	1	Simon Baird	Northern Ireland	10.62
12	1	Cameron Sharp	Scotland	10.63
13	2	Jerry Jeremiah	Vanuatu	10.79
14	1	Maloni Bole	Fiji	10.96
15	2	Chris Perry	Australia	11.03
16	1	Nelson Chan Ka Chiu	Hong Kong	11.11

Wind: +1.6 m/s

Rank	Lane	Name	Nationality	Time	Notes
	3	Ben Johnson	Canada	10.07
	6	Linford Christie	England	10.28
	4	Mike McFarlane	England	10.35
4	1	Desai Williams	Canada	10.36
5	5	Elliot Bunney	Scotland	10.37
6	7	Clarence Callender	England	10.42
7	2	Gerrard Keating	Australia	10.55
8	8	Jamie Henderson	Scotland	10.68