Personal Bests| Event | Result | Wind | Venue | Date |
|---|
| 55m ind. | 6.93 | | Houston, TX (USA) | 14.01.2006 | | 60m ind. | 7.27 | | Fayetteville, AR (USA) | 09.02.2007 | | 100m | 11.13 | +1.3 | Sacramento, CA (USA) | 06.06.2007 | | 200m | 22.32 | +0.5 | Des Moines, IA (USA) | 26.05.2007 | | 200m ind. | 22.98 | | Fayetteville, AR (USA) | 09.03.2007 | | 400m | 51.10 | | Drake Stadium, Des Moines, IA (USA) | 21.06.2013 | | 400m ind. | 51.82 | | College Station, TX (USA) | 26.01.2013 | | 4x400m | 3:23.49 | | Austin, TX (USA) | 05.04.2008 | | 4x400m ind. | 3:32.28 | | Fayetteville, AR (USA) | 11.03.2006 |
| Season's BestsNo season's bests available. |
World RankingsNot ranked currently. | | Year | Result | Wind | Venue | Date |
|---|
| 2002 | 11.77 | | Houston, TX (USA) | 13.07.2002 | | 2006 | 11.29 | +0.5 | Houston, TX (USA) | 06.05.2006 | | 2007 | 11.13 | +1.3 | Sacramento, CA (USA) | 06.06.2007 | | 2008 | 11.29 | +1.5 | Doha (QAT) | 09.05.2008 | | 2009 | 11.30 | +1.3 | Doha (QAT) | 08.05.2009 | | 2010 | 11.42 | -0.3 | Rabat (MAR) | 06.06.2010 | | 2012 | 11.59 | | Houston, TX (USA) | 31.05.2012 |
| Year | Result | Wind | Venue | Date |
|---|
| 2002 | 24.69 | 0.0 | Miami, FL (USA) | 07.07.2002 | | 2003 | 23.27 | +0.3 | Charlotte, NC (USA) | 16.05.2003 | | 2006 | 22.63 | +0.3 | Indianapolis, IN (USA) | 25.06.2006 | | 2007 | 22.32 | +0.5 | Des Moines, IA (USA) | 26.05.2007 | | 2008 | 22.63 | 0.0 | Eugene, OR (USA) | 05.07.2008 | | 2009 | 22.60 | +1.9 | Eugene, OR (USA) | 28.06.2009 | | 2010 | 22.92 | +0.4 | Sollentuna (SWE) | 01.07.2010 | | 2012 | 23.25 | 0.0 | Houston, TX (USA) | 31.05.2012 | | 2013 | 23.10 | +1.0 | Lake Charles, LA (USA) | 13.04.2013 | | 2016 | 23.73 | +0.2 | San Marcos, TX (USA) | 30.04.2016 |
| Year | Result | Venue | Date |
|---|
| 2001 | 55.77 | Sacramento, CA (USA) | 29.07.2001 | | 2002 | 53.80 | Austin, TX (USA) | 11.05.2002 | | 2003 | 52.16 | Charlotte, NC (USA) | 17.05.2003 | | 2006 | 51.66 | Baton Rouge, LA (USA) | 22.04.2006 | | 2007 | 51.36 | Berkeley, CA (USA) | 28.04.2007 | | 2008 | 51.25 | Eugene, OR (USA) | 08.06.2008 | | 2009 | 51.60 | Orlando, FL (USA) | 13.06.2009 | | 2010 | 51.51 | Barcelona (ESP) | 09.07.2010 | | 2013 | 51.10 | Drake Stadium, Des Moines, IA (USA) | 21.06.2013 | | 2016 | 52.59 | Houston, TX (USA) | 23.06.2016 |
| Year | Result | Venue | Date |
|---|
| 2008 | 3:23.49 | Austin, TX (USA) | 05.04.2008 | | 2010 | 3:28.48 | Philadelphia, PA (USA) | 24.04.2010 | | 2013 | 3:26.26 | Philadelphia, PA (USA) | 27.04.2013 |
|
