Personal Bests| Event | Result | Wind | Venue | Date |
|---|
| 55m ind. | 6.20 | | Laramie, WY (USA) | 06.03.1998 | | 60m ind. | 6.47 | | Boston, MA (USA) | 28.02.2004 | | 100m | 9.88 | +1.8 | Eugene, OR (USA) | 19.06.2004 | | 200m | 19.79 | +1.2 | Olympic Stadium, Athina (GRE) | 26.08.2004 | | 200m ind. | 20.26 | | Fayetteville, AR (USA) | 10.03.2000 | | 300m | 32.47 | | Eugene, OR (USA) | 07.06.2009 | | 4x100m | 37.80 | | Crystal Palace, London (GBR) | 26.07.2008 | | 4x200m | 1:19.16 | | Philadelphia, PA (USA) | 26.04.2003 | | 4x400m | 3:12.58 | | Los Angeles, CA (USA) | 09.04.2011 |
| Season's BestsNo season's bests available. |
World RankingsNot ranked currently. | | Year | Result | Wind | Venue | Date |
|---|
| 1998 | 10.21 | +1.8 | College Station, TX (USA) | 09.05.1998 | | 1999 | 10.41 | +0.5 | Atlanta, GA (USA) | 22.05.1999 | | 2000 | 10.16 | +1.4 | Atlanta, GA (USA) | 20.05.2000 | | 2001 | 10.09 | +1.1 | Eugene, OR (USA) | 21.06.2001 | | 2002 | 9.94 | +1.8 | Osaka (JPN) | 11.05.2002 | | 2003 | 10.07 | 0.0 | Pretoria (RSA) | 04.04.2003 | | 2004 | 9.88 | +1.8 | Eugene, OR (USA) | 19.06.2004 | | 2005 | 9.99 | +1.0 | Carson, CA (USA) | 25.06.2005 | | 2006 | 10.01 | +1.6 | Oslo (NOR) | 02.06.2006 | | 2007 | 10.13 | +1.9 | Indianapolis, IN (USA) | 21.06.2007 | | 2008 | 10.09 | +1.6 | Eugene, OR (USA) | 28.06.2008 | | 2009 | 10.21 | +0.1 | Eugene, OR (USA) | 07.06.2009 | | 2010 | 10.24 | -0.3 | Baie Mahault (FRA) | 01.05.2010 | | 2011 | 10.33 | +1.9 | Hayward Field, Eugene, OR (USA) | 23.06.2011 | | 2012 | 10.45 | +1.6 | St-Martin (FRA) | 05.05.2012 |
| Year | Result | Wind | Venue | Date |
|---|
| 1997 | 20.83 | 0.0 | Edwardsville, IL (USA) | 22.06.1997 | | 1998 | 20.44 | -1.9 | Ciudad de México (MEX) | 23.05.1998 | | 1999 | 20.39 | +0.7 | Clemson, SC (USA) | 15.05.1999 | | 2000 | 20.09 | +1.0 | Durham, NC (USA) | 03.06.2000 | | 2001 | 20.17 | -0.2 | Brisbane (AUS) | 06.09.2001 | | 2002 | 19.85 | 0.0 | Pretoria (RSA) | 12.04.2002 | | 2003 | 20.02 | +0.8 | Stadio Olimpico, Roma (ITA) | 11.07.2003 | | 2004 | 19.79 | +1.2 | Olympic Stadium, Athina (GRE) | 26.08.2004 | | 2005 | 20.12 | -0.9 | Carson, CA (USA) | 26.06.2005 | | 2007 | 20.21 | +1.4 | Carson, CA (USA) | 20.05.2007 | | 2008 | 19.86 | +1.7 | Eugene, OR (USA) | 06.07.2008 | | 2009 | 19.89 | -0.3 | Olympiastadion, Berlin (GER) | 20.08.2009 | | 2010 | 20.50 | +1.8 | Hayward Field, Eugene, OR (USA) | 03.07.2010 | | 2011 | 20.45 | +0.9 | Hayward Field, Eugene, OR (USA) | 26.06.2011 | | 2012 | 20.48 | -0.8 | Hayward Field, Eugene, OR (USA) | 30.06.2012 |
No progression. No progression. | Year | Result | Venue | Date |
|---|
| 2009 | 32.47 | Eugene, OR (USA) | 07.06.2009 |
| Year | Result | Venue | Date |
|---|
| 2004 | 37.92 | München (GER) | 08.08.2004 | | 2006 | 38.39 | Walnut, CA (USA) | 15.04.2006 | | 2007 | 38.35 | Philadelphia, PA (USA) | 28.04.2007 | | 2008 | 37.80 | Crystal Palace, London (GBR) | 26.07.2008 | | 2009 | 37.85 | Cottbus (GER) | 08.08.2009 | | 2010 | 38.33 | Philadelphia, PA (USA) | 24.04.2010 | | 2011 | 38.66 | Philadelphia, PA (USA) | 30.04.2011 | | 2012 | 38.47 | Philadelphia, PA (USA) | 28.04.2012 |
| Year | Result | Venue | Date |
|---|
| 2000 | 1:22.52 | Philadelphia, PA (USA) | 29.04.2000 | | 2001 | 1:19.39 | Philadelphia, PA (USA) | 28.04.2001 | | 2003 | 1:19.16 | Philadelphia, PA (USA) | 26.04.2003 | | 2004 | 1:19.62 | Philadelphia, PA (USA) | 24.04.2004 |
| Year | Result | Venue | Date |
|---|
| 2011 | 3:12.58 | Los Angeles, CA (USA) | 09.04.2011 |
|
