Personal Bests| Event | Result | Wind | Venue | Date |
|---|
| 100m | 11.61 | +1.6 | Azusa, CA (USA) | 11.05.2013 | | 200m | 23.35 | +0.9 | Coral Gables, FL (USA) | 12.04.2008 | | 200m ind. | 24.51 | | Chapel Hill, NC (USA) | 17.01.2004 | | 400m | 51.09 | | Bislett Stadion, Oslo (NOR) | 04.06.2010 | | 400m ind. | 51.63 | | Fayetteville, AR (USA) | 13.03.2004 | | 800m | 2:07.49 | | Los Angeles, CA (USA) | 05.05.2012 | | 800m ind. | 2:08.91 | | Chapel Hill, NC (USA) | 04.02.2006 | | 55mH ind. | 7.65 | | Columbia, SC (USA) | 21.02.2004 | | 60mH ind. | 8.11 | | Fayetteville, AR (USA) | 12.03.2004 | | 100mH | 12.96 | -1.1 | Walnut, CA (USA) | 16.04.2011 | | 300mH | 39.98 | | Norwalk, CA (USA) | 19.05.2001 | | 400mH | 52.47 | | DS, Daegu (KOR) | 01.09.2011 | | 4x200m | 1:31.62 | | Gainesville, FL (USA) | 26.03.2004 | | 4x400m | 3:17.83 | | Olympiastadion, Berlin (GER) | 23.08.2009 | | 4x400m ind. | 3:28.25 | | Fayetteville, AR (USA) | 15.03.2003 |
| Season's BestsNo season's bests available. |
World RankingsNot ranked currently. | | Year | Result | Wind | Venue | Date |
|---|
| 2013 | 11.61 | +1.6 | Azusa, CA (USA) | 11.05.2013 | | 2014 | 11.89 | -0.3 | Claremont, CA (USA) | 12.04.2014 |
| Year | Result | Wind | Venue | Date |
|---|
| 2008 | 23.35 | +0.9 | Coral Gables, FL (USA) | 12.04.2008 | | 2010 | 23.62 | +0.3 | Los Angeles, CA (USA) | 10.04.2010 | | 2014 | 23.99 | +1.6 | Pasadena, CA (USA) | 28.03.2014 |
| Year | Result | Venue | Date |
|---|
| 1998 | 53.06 | Norwalk, CA (USA) | 05.06.1998 | | 1999 | 53.09 | Norwalk, CA (USA) | 22.05.1999 | | 2000 | 52.97 | Moscow, ID (USA) | 20.05.2000 | | 2002 | 51.24 | Starkville, MS (USA) | 12.05.2002 | | 2003 | 53.50 | Knoxville, TN (USA) | 11.04.2003 | | 2004 | 51.70 | Atlanta, GA (USA) | 03.04.2004 | | 2005 | 51.79 | Walnut, CA (USA) | 17.04.2005 | | 2006 | 51.65 | Clemson, SC (USA) | 15.04.2006 | | 2008 | 51.58 | Coral Gables, FL (USA) | 12.04.2008 | | 2009 | 51.40 | Santa Monica, CA (USA) | 11.07.2009 | | 2010 | 51.09 | Bislett Stadion, Oslo (NOR) | 04.06.2010 | | 2012 | 53.69 | Fullerton, CA (USA) | 10.03.2012 | | 2013 | 52.97 | Irvine, CA (USA) | 28.04.2013 | | 2014 | 52.47 | Los Angeles, CA (USA) | 14.03.2014 |
| Year | Result | Venue | Date |
|---|
| 2004 | 2:09.16 | Columbia, SC (USA) | 20.03.2004 | | 2005 | 2:16.46 | Columbia, SC (USA) | 19.03.2005 | | 2011 | 2:10.85 | San Diego, CA (USA) | 19.03.2011 | | 2012 | 2:07.49 | Los Angeles, CA (USA) | 05.05.2012 | | 2013 | 2:08.81 | Walnut, CA (USA) | 20.04.2013 | | 2015 | 2:12.45 | Los Angeles, CA (USA) | 07.03.2015 | | 2016 | 2:18.35 | Mesa, AZ (USA) | 08.04.2016 |
| Year | Result | Wind | Venue | Date |
|---|
| 1999 | 13.83 | +1.8 | Sacramento, CA (USA) | 04.06.1999 | | 2000 | 13.76 | +1.8 | Norwalk, CA (USA) | 03.06.2000 | | 2001 | 13.61 | +1.0 | Walnut, CA (USA) | 21.04.2001 | | 2002 | 13.88 | -2.9 | Coral Gables, FL (USA) | 16.03.2002 | | 2003 | 13.35 | -0.6 | Columbia, SC (USA) | 05.04.2003 | | 2004 | 13.08 | 0.0 | Oxford (GBR) | 16.05.2004 | | 2005 | 13.09 | -0.1 | Clemson, SC (USA) | 07.05.2005 | | 2011 | 12.96 | -1.1 | Walnut, CA (USA) | 16.04.2011 |
| Year | Result | Venue | Date |
|---|
| 2001 | 39.98 | Norwalk, CA (USA) | 19.05.2001 |
| Year | Result | Venue | Date |
|---|
| 1999 | 57.04 | Tampa, FL (USA) | 11.07.1999 | | 2000 | 1:00.71 | Long Beach, CA (USA) | 10.06.2000 | | 2001 | 55.76 | Eugene, OR (USA) | 22.06.2001 | | 2002 | 54.70 | National Stadium, Kingston (JAM) | 19.07.2002 | | 2003 | 55.65 | Palo Alto, CA (USA) | 20.06.2003 | | 2004 | 53.43 | Sacramento, CA (USA) | 11.07.2004 | | 2005 | 53.27 | Olympiastadion, Helsinki (FIN) | 13.08.2005 | | 2006 | 53.02 | Olympic Stadium, Athina (GRE) | 03.07.2006 | | 2008 | 53.99 | Fort-de-France (FRA) | 08.05.2008 | | 2009 | 52.63 | Stade Louis II, Monaco (MON) | 28.07.2009 | | 2010 | 52.82 | Stadio Olimpico, Roma (ITA) | 10.06.2010 | | 2011 | 52.47 | DS, Daegu (KOR) | 01.09.2011 | | 2012 | 52.77 | Olympic Stadium, London (GBR) | 08.08.2012 | | 2013 | 54.22 | Luzhniki Stadion, Moskva (RUS) | 13.08.2013 | | 2014 | 55.17 | Sacramento, CA (USA) | 29.06.2014 | | 2015 | 54.44 | Hayward Field, Eugene, OR (USA) | 28.06.2015 |
| Year | Result | Venue | Date |
|---|
| 2004 | 1:31.62 | Gainesville, FL (USA) | 26.03.2004 |
| Year | Result | Venue | Date |
|---|
| 2002 | 3:26.46 | Baton Rouge, LA (USA) | 01.06.2002 | | 2004 | 3:20.88 | München (GER) | 08.08.2004 | | 2005 | 3:22.93 | Philadelphia, PA (USA) | 30.04.2005 | | 2006 | 3:20.69 | Olympic Stadium, Athina (GRE) | 17.09.2006 | | 2008 | 3:27.98 | Philadelphia, PA (USA) | 26.04.2008 | | 2009 | 3:17.83 | Olympiastadion, Berlin (GER) | 23.08.2009 | | 2010 | 3:26.12 | Philadelphia, PA (USA) | 24.04.2010 |
|
