Athletics at the 2012 Summer Olympics – Men's 100 metres
Semifinal 1

Rank
Lane
Name
Nationality
Reaction
Result
Notes
1
7
Justin Gatlin
United States
0.187
9.82
Q
2
2
Churandy Martina
Netherlands
0.148
9.91
Q, NR
3
4
Asafa Powell
Jamaica
0.155
9.94
q
4
8
Keston Bledman
Trinidad and Tobago
0.175
10.04
-
5
6
Ben Youssef Meïté
Ivory Coast
0.163
10.13
-
6
5
Jimmy Vicaut
France
0.203
10.16
-
7
9
James Dasaolu
Great Britain
0.174
10.18
-
8
3
Suwaibou Sanneh
The Gambia
0.175
10.18
NR
-
-
-
-
Wind: +0.7 m/s
Wind: +0.7 m/s
Wind: +0.7 m/s

Question: Who ran the fastest in the Men's 100 metres in the first semi final of the 2012 Summer olympics? 
Answer: In the first semi-final of 2012 Summer Olympics – Men's 100 metres, Justin Gatlin ran the fastest in 9.82, ahead of Churandy Martina 9.91 and Asafa Powell in 9.94.