| Year |
Result |
Place |
Venue |
Date |
| 2008 |
48.87 |
17 |
Kingston |
May 03 |
| 2009 |
48.09 |
5 |
Berlin |
Aug 18 |
| 2010 |
47.72 |
3 |
Ponce |
May 8 |
| 2011 |
48.32 |
8 |
Bruxelles |
Sep 16 |
| 2012 |
47.78 |
2 |
Paris Saint-Denis |
Jul 06 |
| 2013 |
48.14 |
9 |
Lausanne |
Apr 07 |
| 2014 |
48.03 |
1 |
New York, NY |
Jun 14 |
| 2015 |
48.48 |
13 |
New |
Jun 13 |
| 2016 |
48.46 |
9 |
Rio de Janeiro |
Aug 16 |
| 2017 |
48.76 |
20 |
Kingston (NS), JAM |
May 20 |
|
| Year |
Result |
Place |
| 2007 (PanAmer) |
49.46 |
6 |
| 2009 (World) |
48.09 |
2 |
| 2010 (World Cup) |
48.08 |
2 |
| 2011 (World) |
48.44 |
2 |
| 2012 (Olympic) |
48.10 |
3 |
| 2013 (World) |
48.38 |
6 |
| 2014 (World Cup) |
48.88 |
3 |
| 2015 (PanAmer) |
48.67 |
2 |
| 2016 (Olympic) |
DQ |
N |
|
|