Personal Bests| Event | Result | Wind | Venue | Date |
|---|
| 60m ind. | 6.74 | | Fayetteville, AR (USA) | 26.02.2005 | | 100m | 10.00 | +1.6 | Eugene, OR (USA) | 28.06.2008 | | 200m | 19.63 | +0.4 | Stade Olympique de la Pontaise, Lausanne (SUI) | 11.07.2006 | | 200m ind. | 20.30 | | Fayetteville, AR (USA) | 10.03.2006 | | 300m | 31.93 | | Eugene, OR (USA) | 07.06.2009 | | 400m | 44.53 | | Sacramento, CA (USA) | 10.06.2006 | | 400m ind. | 45.28 | | Fayetteville, AR (USA) | 11.03.2006 | | 4x100m | 38.38 | | Crystal Palace, London (GBR) | 03.08.2007 | | 4x200m | 1:21.06 | | Philadelphia, PA (USA) | 30.04.2005 | | 4x400m | 2:59.59 | | Sacramento, CA (USA) | 11.06.2005 | | 4x400m ind. | 3:04.01 | | Fayetteville, AR (USA) | 11.03.2006 |
| Season's BestsNo season's bests available. |
World RankingsNot ranked currently. | | Year | Result | Wind | Venue | Date |
|---|
| 2002 | 10.71 | | Orlando, FL (USA) | 23.03.2002 | | 2003 | 10.38 | +1.2 | Arcadia, CA (USA) | 12.04.2003 | | 2004 | 10.41 | | Orlando, FL (USA) | 22.05.2004 | | 2006 | 10.09 | -0.5 | Sacramento, CA (USA) | 10.06.2006 | | 2007 | 10.28 | +1.2 | FBK Stadium, Hengelo (NED) | 26.05.2007 | | 2008 | 10.00 | +1.6 | Eugene, OR (USA) | 28.06.2008 | | 2010 | 10.36 | +1.6 | Maringa (BRA) | 30.05.2010 | | 2011 | 10.40 | +2.0 | Basseterre (SKN) | 09.04.2011 |
| Year | Result | Wind | Venue | Date |
|---|
| 2002 | 21.02 | +1.2 | Spring Valley (USA) | 20.04.2002 | | 2003 | 20.69 | +1.1 | Gainesville, FL (USA) | 16.05.2003 | | 2004 | 20.49 | | Orlando, FL (USA) | 22.05.2004 | | 2005 | 20.02 | 0.0 | Bloomington, IN (USA) | 28.05.2005 | | 2006 | 19.63 | +0.4 | Stade Olympique de la Pontaise, Lausanne (SUI) | 11.07.2006 | | 2007 | 19.92 | +0.2 | Letzigrund, Zürich (SUI) | 07.09.2007 | | 2008 | 20.25 | +1.1 | Athens, GA (USA) | 12.04.2008 | | 2009 | 20.27 | +1.3 | Icahn Stadium, New York, NY (USA) | 30.05.2009 | | 2010 | 20.14 | +0.1 | Stade Louis II, Monaco (MON) | 22.07.2010 | | 2011 | 20.53 | +0.9 | Hayward Field, Eugene, OR (USA) | 26.06.2011 |
| Year | Result | Venue | Date |
|---|
| 2009 | 31.93 | Eugene, OR (USA) | 07.06.2009 |
| Year | Result | Venue | Date |
|---|
| 2001 | 46.95 | Coral Springs, FL (USA) | 12.05.2001 | | 2002 | 46.90 | Coral Springs, FL (USA) | 11.05.2002 | | 2003 | 45.88 | Mobile, AL (USA) | 05.04.2003 | | 2004 | 45.44 | Gainesville, FL (USA) | 07.05.2004 | | 2005 | 45.65 | Baton Rouge, LA (USA) | 23.04.2005 | | 2006 | 44.53 | Sacramento, CA (USA) | 10.06.2006 | | 2007 | 45.26 | Glasgow (GBR) | 03.06.2007 | | 2008 | 44.70 | Icahn Stadium, New York, NY (USA) | 31.05.2008 | | 2009 | 45.55 | Eugene, OR (USA) | 26.06.2009 | | 2010 | 46.79 | Belém (BRA) | 19.05.2010 | | 2011 | 48.47 | São Paulo (BRA) | 22.05.2011 |
| Year | Result | Venue | Date |
|---|
| 2006 | 38.44 | Sacramento, CA (USA) | 09.06.2006 | | 2007 | 38.38 | Crystal Palace, London (GBR) | 03.08.2007 | | 2010 | 38.87 | Ponce (PUR) | 08.05.2010 |
| Year | Result | Venue | Date |
|---|
| 2005 | 1:21.06 | Philadelphia, PA (USA) | 30.04.2005 | | 2006 | 1:21.31 | Philadelphia, PA (USA) | 29.04.2006 |
| Year | Result | Venue | Date |
|---|
| 2005 | 2:59.59 | Sacramento, CA (USA) | 11.06.2005 | | 2006 | 3:01.58 | Sacramento, CA (USA) | 10.06.2006 | | 2008 | 3:01.12 | Philadelphia, PA (USA) | 26.04.2008 | | 2010 | 3:02.64 | Philadelphia, PA (USA) | 24.04.2010 |
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