| 2/4/12 |
New Balance Indoor Grand Prix |
300m |
37.07 |
1st |
|
| 2/25/12 |
USA Indoor Championships (prelim) Heat 2, first |
400m |
52.12 |
2nd |
|
| 2/26/12 |
USA Indoor Championships (final) |
400m |
51.68 |
3rd |
 |
| 4/6/12 |
Florida Relays Heat 3 (20th) |
100m |
11.73 (+0.2) |
4th |
|
| 4/28/12 |
Penn Relays USA Blue |
4x400m |
3:27.08 |
3rd |
|
| 6/2/12 |
PreFontaine Classic |
400m |
50.80 |
5th |
|
| 6/9/12 |
Adidas Grand Prix - DL |
400m |
50.79 |
5th |
|
| 6/22/12 |
U.S. Olympic Trials (prelim) Heat 4, First |
400m |
51.64 |
2nd |
|
| 6/23/12 |
U.S. Olympic Trials (semi Heat 1, Second |
400m |
51.23 |
4th |
|
| 6/24/12 |
U.S. Olympic Trials (final) |
400m |
50.02 |
2nd |
 |
| 7/6/12 |
Meeting Areva - Paris DL |
400m |
50.93 |
5th |
|
| 8/3/12 |
Olympic Games (prelim - Heat 3) |
400m |
50.87 |
1st |
|
| 8/4/12 |
Olympic Games (Semi-final - Heat 3) |
400m |
49.87 |
2nd |
|
| 8/5/12 |
Olympic Games (Final) |
400m |
49.72 |
3rd |
 |
| 8/10/12 |
Olympic Games (Round 1 - Heat 2) split 49.78 |
4x400m |
3:22.09 |
1st |
|
| 8/11/12 |
Olympic Games (Final) split 50.50 |
4x400m |
3:16.87 |
1st |
 |
| 8/17/12 |
DN Galan Stockholm - Diamond League |
400m |
51.75 |
6th |
|
| 8/26/12 |
Avivia Birmingham Grand Prix Diamond League |
400m |
51.45 |
5th |
|
| 8/30/12 |
Weltklasse Zurich - Diamond League |
400m |
52.14 |
7th |
|