Personal Bests| Event | Result | Wind | Venue | Date |
|---|
| 100m | 10.45 | +1.6 | Los Angeles, CA (USA) | 09.04.2005 | | 200m | 20.87 | +1.2 | Irvine, CA (USA) | 06.05.2001 | | 400m | 44.90 | | International Stadium, Gateshead (GBR) | 19.08.2001 | | 400m ind. | 46.68 | | Glasgow (GBR) | 18.03.2001 | | 800m | 1:48.99 | | Los Angeles, CA (USA) | 14.04.2012 | | 400mH | 47.25 | | Stade de France, Paris-St-Denis (FRA) | 29.08.2003 | | 4x400m | 2:59.19 | | CM, Madrid (ESP) | 21.09.2002 | | 4x400m ind. | 3:06.30 | | Aspire Dome, Doha (QAT) | 13.03.2010 |
| Season's BestsNo season's bests available. |
World RankingsNot ranked currently. | | Year | Result | Wind | Venue | Date |
|---|
| 2005 | 10.45 | +1.6 | Los Angeles, CA (USA) | 09.04.2005 | | 2009 | 10.72 | +1.2 | Northridge, CA (USA) | 14.03.2009 |
| Year | Result | Wind | Venue | Date |
|---|
| 2001 | 20.87 | +1.2 | Irvine, CA (USA) | 06.05.2001 | | 2005 | 20.88 | +1.6 | Los Angeles, CA (USA) | 09.04.2005 | | 2011 | 21.76 | +0.7 | Los Angeles, CA (USA) | 09.04.2011 |
| Year | Result | Venue | Date |
|---|
| 2000 | 46.34 | Azusa, CA (USA) | 08.04.2000 | | 2001 | 44.90 | International Stadium, Gateshead (GBR) | 19.08.2001 | | 2002 | 45.14 | London (GBR) | 23.08.2002 | | 2003 | 45.22 | Ciudad de México (MEX) | 03.05.2003 | | 2004 | 46.28 | Santo Domingo (DOM) | 01.05.2004 | | 2005 | 46.32 | Walnut, CA (USA) | 17.04.2005 | | 2006 | 46.19 | Walnut, CA (USA) | 15.04.2006 | | 2007 | 46.45 | Ponce (PUR) | 19.05.2007 | | 2008 | 47.65 | Long Beach, CA (USA) | 19.04.2008 | | 2009 | 45.72 | Santa Monica, CA (USA) | 08.08.2009 | | 2010 | 45.99 | La Jolla, CA (USA) | 24.04.2010 | | 2011 | 46.30 | Walnut, CA (USA) | 04.06.2011 | | 2012 | 45.34 | Los Angeles, CA (USA) | 05.05.2012 | | 2013 | 46.27 | Los Angeles, CA (USA) | 01.06.2013 |
| Year | Result | Venue | Date |
|---|
| 2000 | 1:51.49 | Tempe, AZ (USA) | 18.03.2000 | | 2002 | 1:50.9h | Azusa, CA (USA) | 13.04.2002 | | 2003 | 1:50.33 | Westwood, CA (USA) | 05.04.2003 | | 2004 | 1:49.36 | Westwood, CA (USA) | 10.04.2004 | | 2006 | 1:51.15 | Los Angeles, CA (USA) | 08.04.2006 | | 2007 | 1:58.89 | Walnut, CA (USA) | 15.04.2007 | | 2009 | 1:51.09 | Norwalk, CA (USA) | 20.03.2009 | | 2010 | 1:50.04 | Los Angeles, CA (USA) | 10.04.2010 | | 2011 | 1:49.86 | Los Angeles, CA (USA) | 07.05.2011 | | 2012 | 1:48.99 | Los Angeles, CA (USA) | 14.04.2012 | | 2013 | 1:53.69 | Los Angeles, CA (USA) | 12.05.2013 |
No progression. | Year | Result | Venue | Date |
|---|
| 1997 | 50.01 | Indianapolis, IN (USA) | 13.06.1997 | | 1998 | 51.30 | Los Angeles, CA (USA) | 08.03.1998 | | 1999 | 48.60 | Winnipeg (CAN) | 28.07.1999 | | 2000 | 48.33 | Athina (GRE) | 28.06.2000 | | 2001 | 47.38 | Letzigrund, Zürich (SUI) | 17.08.2001 | | 2002 | 47.35 | Zürich (SUI) | 16.08.2002 | | 2003 | 47.25 | Stade de France, Paris-St-Denis (FRA) | 29.08.2003 | | 2004 | 47.63 | Olympic Stadium, Athina (GRE) | 26.08.2004 | | 2005 | 48.24 | Olympiastadion, Helsinki (FIN) | 07.08.2005 | | 2006 | 49.10 | Padova (ITA) | 01.09.2006 | | 2007 | 48.01 | Yanmar Stadium Nagai, Osaka (JPN) | 28.08.2007 | | 2008 | 51.10 | National Stadium, Beijing (CHN) | 15.08.2008 | | 2009 | 48.34 | Olympiastadion, Berlin (GER) | 16.08.2009 | | 2010 | 48.17 | Stade Olympique de la Pontaise, Lausanne (SUI) | 08.07.2010 | | 2011 | 48.74 | DS, Daegu (KOR) | 29.08.2011 | | 2012 | 47.63 | Olympic Stadium, London (GBR) | 06.08.2012 | | 2013 | 48.10 | Luzhniki Stadion, Moskva (RUS) | 13.08.2013 | | 2014 | 48.91 | Stade de France, Paris-St-Denis (FRA) | 05.07.2014 | | 2015 | 50.23 | San José (CRC) | 09.08.2015 |
| Year | Result | Venue | Date |
|---|
| 2002 | 2:59.19 | CM, Madrid (ESP) | 21.09.2002 | | 2003 | 3:02.02 | Santo Domingo (DOM) | 09.08.2003 | | 2004 | 3:00.76 | Philadelphia, PA (USA) | 24.04.2004 | | 2006 | 3:00.56 | Philadelphia, PA (USA) | 29.04.2006 | | 2007 | 3:02.48 | Rio de Janeiro (BRA) | 28.07.2007 | | 2009 | 3:02.47 | Olympiastadion, Berlin (GER) | 23.08.2009 | | 2011 | 3:04.10 | Mayagüez (PUR) | 17.07.2011 | | 2013 | 3:02.82 | Morelia (MEX) | 07.07.2013 |
|
