Personal Bests| Event | Result | Wind | Venue | Date |
|---|
| 200m | 20.23 | +0.6 | Stadio Guidobaldi, Rieti (ITA) | 29.08.2010 | | 300m | 32.67 | | Liège (BEL) | 27.08.2002 | | 400m | 44.05 | | Indianapolis, IN (USA) | 23.06.2007 | | 400m ind. | 45.50 | | Atlanta, GA (USA) | 27.02.1999 | | 400mH | 47.25 | | National Stadium, Beijing (CHN) | 18.08.2008 | | 4x100m | 39.75 | | Austin, TX (USA) | 09.04.2011 | | 4x400m | 2:55.39 | | National Stadium, Beijing (CHN) | 23.08.2008 |
| Season's BestsNo season's bests available. |
World RankingsNot ranked currently. | | Year | Result | Wind | Venue | Date |
|---|
| 2008 | 10.58 | +0.5 | Athens, GA (USA) | 19.04.2008 |
| Year | Result | Wind | Venue | Date |
|---|
| 1999 | 21.16 | -1.9 | Athens, GA (USA) | 01.05.1999 | | 2003 | 20.73 | +1.9 | Athens, GA (USA) | 03.05.2003 | | 2004 | 20.83 | +0.3 | Atlanta, GA (USA) | 15.05.2004 | | 2005 | 21.56 | -0.4 | Atlanta, GA (USA) | 03.06.2005 | | 2007 | 20.60 | +1.7 | Atlanta, GA (USA) | 31.03.2007 | | 2008 | 20.50 | -1.0 | Atlanta, GA (USA) | 17.05.2008 | | 2010 | 20.23 | +0.6 | Stadio Guidobaldi, Rieti (ITA) | 29.08.2010 | | 2011 | 20.71 | -0.1 | Sydney (AUS) | 19.03.2011 |
| Year | Result | Venue | Date |
|---|
| 2002 | 32.67 | Liège (BEL) | 27.08.2002 |
| Year | Result | Venue | Date |
|---|
| 1998 | 45.14 | Clemson, SC (USA) | 16.05.1998 | | 2000 | 44.89 | Raleigh, NC (USA) | 17.06.2000 | | 2001 | 44.68 | Princeton, NJ (USA) | 12.05.2001 | | 2002 | 44.85 | Hayward Field, Eugene, OR (USA) | 26.05.2002 | | 2003 | 46.32 | Athens, GA (USA) | 03.05.2003 | | 2004 | 45.85 | Atlanta, GA (USA) | 15.05.2004 | | 2005 | 47.78 | Atlanta, GA (USA) | 03.06.2005 | | 2006 | 45.24 | Indianapolis, IN (USA) | 23.06.2006 | | 2007 | 44.05 | Indianapolis, IN (USA) | 23.06.2007 | | 2008 | 44.38 | Stade Olympique de la Pontaise, Lausanne (SUI) | 02.09.2008 | | 2009 | 45.15 | Crystal Palace, London (GBR) | 25.07.2009 | | 2010 | 44.72 | Letzigrund, Zürich (SUI) | 19.08.2010 | | 2011 | 44.82 | Olympiastadion, Stockholm (SWE) | 29.07.2011 | | 2012 | 44.93 | Alexander Stadium, Birmingham (GBR) | 26.08.2012 | | 2013 | 46.80 | Dakar (SEN) | 12.06.2013 | | 2016 | 46.98 | Nassau (BAH) | 16.04.2016 |
No progression. | Year | Result | Venue | Date |
|---|
| 1996 | 50.18 | SIAC Homebush, Sydney (AUS) | 23.08.1996 | | 1997 | 48.72 | Bloomington, IN (USA) | 06.06.1997 | | 1998 | 47.90 | New Orleans, LA (USA) | 21.06.1998 | | 1999 | 48.15 | Zürich (SUI) | 11.08.1999 | | 2000 | 47.50 | Olympic Stadium, Sydney (AUS) | 27.09.2000 | | 2001 | 47.95 | Stade Olympique de la Pontaise, Lausanne (SUI) | 04.07.2001 | | 2002 | 48.87 | Stadio Olimpico, Roma (ITA) | 12.07.2002 | | 2003 | 48.94 | Torino (ITA) | 06.06.2003 | | 2004 | 48.03 | Sacramento, CA (USA) | 11.07.2004 | | 2006 | 49.44 | Helsinki (FIN) | 26.07.2006 | | 2007 | 48.45 | Stade Louis II, Monaco (MON) | 25.07.2007 | | 2008 | 47.25 | National Stadium, Beijing (CHN) | 18.08.2008 | | 2009 | 48.30 | Eugene, OR (USA) | 28.06.2009 | | 2010 | 47.79 | Stade Louis II, Monaco (MON) | 22.07.2010 | | 2011 | 47.94 | Hayward Field, Eugene, OR (USA) | 26.06.2011 | | 2012 | 47.95 | Olympic Stadium, London (GBR) | 04.08.2012 | | 2013 | 51.55 | Taipei City (TPE) | 28.05.2013 | | 2016 | 54.52 | Atlanta, GA (USA) | 04.06.2016 |
| Year | Result | Venue | Date |
|---|
| 2011 | 39.75 | Austin, TX (USA) | 09.04.2011 |
| Year | Result | Venue | Date |
|---|
| 1998 | 3:01.89 | Amherst, MA (USA) | 05.06.1998 | | 1999 | 3:00.79 | La Cartuja, Sevilla (ESP) | 28.08.1999 | | 2004 | 3:04.96 | München (GER) | 08.08.2004 | | 2007 | 2:55.56 | Yanmar Stadium Nagai, Osaka (JPN) | 02.09.2007 | | 2008 | 2:55.39 | National Stadium, Beijing (CHN) | 23.08.2008 | | 2009 | 2:57.86 | Olympiastadion, Berlin (GER) | 23.08.2009 | | 2010 | 3:00.60 | Philadelphia, PA (USA) | 24.04.2010 | | 2011 | 2:59.31 | DS, Daegu (KOR) | 02.09.2011 | | 2012 | 2:57.05 | Olympic Stadium, London (GBR) | 10.08.2012 |
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