| Year |
Result |
Place |
Venue |
Date |
| 2002 |
55.22 |
13 |
Baton Rouge |
May 31 |
| 2005 |
54.56 |
11 |
Sacramento, CA |
Jun 11 |
| 2006 |
53.79 |
4 |
Monaco |
Aug 20 |
| 2007 |
53.28 |
1 |
Indianapolis, IN |
Jun 24 |
| 2008 |
53.54 |
2 |
Monaco |
Jul 29 |
| 2009 |
53.83 |
5 |
Berlin |
Aug 20 |
| 2012 |
55.01 |
19 |
Istanbul |
Jun 09 |
| 2013 |
55.04 |
23 |
George Town, CAY |
May 08 |
| 2014 |
54.74 |
10 |
Sacramento, CA |
Jun 28 |
| 2015 |
54.27 |
9 |
Eugene, OR |
Jun 27 |
|
| International |
| Year |
Result |
Place |
| 2007 (World) |
54.63 |
7 |
| 2008 (Olympic) |
57.55 |
8 |
| 2009 (World) |
53.83 |
5 |
| National |
| Year |
Result |
Place |
| 2006 (USA Champ.) |
54.84 |
4 |
| 2007 (USA Champ.) |
53.28 |
1 |
| 2008 (OT & USA Champ.) |
54.03 |
1 |
| 2009 (USA Champ.) |
55.18 |
3 |
| 2012 (OT & USA Champ.) |
55.09 |
4 |
| 2014 (USA Champ.) |
54.84 |
4 |
| 2015 (USA Champ.) |
54.81 |
5 |
|
|