Personal Bests| Event | Result | Wind | Venue | Date |
|---|
| 55m ind. | 6.84 | | Fresno, CA (USA) | 21.01.2008 | | 60m ind. | 7.02 | | Albuquerque, NM (USA) | 28.02.2010 | | 100m | 10.64 | +1.2 | Shanghai (CHN) | 20.09.2009 | | 200m | 22.11 | +1.0 | Hayward Field, Eugene, OR (USA) | 30.06.2012 | | 300m | 37.52 | | Pasadena, CA (USA) | 23.03.2013 | | 400m | 53.08 | | Los Angeles, CA (USA) | 04.04.2009 | | 4x100m | 40.82 | | Olympic Stadium, London (GBR) | 10.08.2012 | | 4x400m | 3:25.71 | | Austin, TX (USA) | 05.04.2008 |
| Season's BestsNo season's bests available. |
World RankingsNot ranked currently. | | Year | Result | Wind | Venue | Date |
|---|
| 1999 | 11.95 | +1.4 | Claremont, CA (USA) | 16.04.1999 | | 2000 | 11.73 | 0.0 | Long Beach, CA (USA) | 15.04.2000 | | 2001 | 11.82 | +1.2 | Irvine, CA (USA) | 29.04.2001 | | 2002 | 11.77 | +2.0 | San Diego, CA (USA) | 11.05.2002 | | 2003 | 11.61 | +0.6 | Walnut, CA (USA) | 19.04.2003 | | 2004 | 11.56 | +0.6 | La Jolla, CA (USA) | 17.06.2004 | | 2005 | 12.00 | -2.8 | Fullerton, CA (USA) | 12.03.2005 | | 2006 | 11.48 | 0.0 | Los Angeles, CA (USA) | 04.06.2006 | | 2007 | 11.02 | -0.2 | Yanmar Stadium Nagai, Osaka (JPN) | 27.08.2007 | | 2008 | 10.97 | +0.7 | Eugene, OR (USA) | 27.06.2008 | | 2009 | 10.64 | +1.2 | Shanghai (CHN) | 20.09.2009 | | 2010 | 10.82 | +0.4 | Stade Louis II, Monaco (MON) | 22.07.2010 | | 2011 | 10.70 | +2.0 | Hayward Field, Eugene, OR (USA) | 04.06.2011 | | 2012 | 10.78 | +1.5 | Olympic Stadium, London (GBR) | 04.08.2012 | | 2013 | 10.93 | +0.7 | Olympic Stadium, London (GBR) | 27.07.2013 | | 2014 | 11.24 | 0.0 | Alexander Stadium, Birmingham (GBR) | 24.08.2014 | | 2015 | 11.01 | +1.2 | Hayward Field, Eugene, OR (USA) | 26.06.2015 | | 2016 | 11.16 | +1.5 | Hayward Field, Eugene, OR (USA) | 28.05.2016 |
| Year | Result | Wind | Venue | Date |
|---|
| 1999 | 24.99 | -0.6 | Claremont, CA (USA) | 16.04.1999 | | 2000 | 23.65 | +1.1 | Raleigh, NC (USA) | 25.05.2000 | | 2001 | 24.20 | +0.7 | Irvine, CA (USA) | 29.04.2001 | | 2002 | 24.10 | +1.4 | La Jolla, CA (USA) | 27.04.2002 | | 2003 | 23.67 | +1.2 | Edwardsville, IL (USA) | 24.05.2003 | | 2004 | 23.98 | 0.0 | Eagle Rock (USA) | 05.06.2004 | | 2006 | 23.54 | +0.2 | Los Angeles, CA (USA) | 04.06.2006 | | 2007 | 22.82 | +0.1 | Los Angeles, CA (USA) | 12.05.2007 | | 2008 | 22.47 | -0.6 | Carson, CA (USA) | 18.05.2008 | | 2009 | 22.59 | 0.0 | Los Angeles, CA (USA) | 11.04.2009 | | 2010 | 22.54 | +1.0 | Bislett Stadion, Oslo (NOR) | 04.06.2010 | | 2011 | 22.20 | -0.4 | Stade Louis II, Monaco (MON) | 22.07.2011 | | 2012 | 22.11 | +1.0 | Hayward Field, Eugene, OR (USA) | 30.06.2012 | | 2013 | 22.77 | +1.4 | Stade Olympique de la Pontaise, Lausanne (SUI) | 04.07.2013 | | 2015 | 22.88 | -1.8 | Norwalk, CA (USA) | 06.06.2015 | | 2016 | 23.43 | +1.9 | Walnut, CA (USA) | 16.04.2016 |
No progression. | Year | Result | Venue | Date |
|---|
| 2013 | 37.52 | Pasadena, CA (USA) | 23.03.2013 |
| Year | Result | Venue | Date |
|---|
| 2006 | 57.44 | Van Nuys, CA (USA) | 05.07.2006 | | 2009 | 53.08 | Los Angeles, CA (USA) | 04.04.2009 | | 2012 | 53.85 | Los Angeles, CA (USA) | 07.04.2012 | | 2015 | 54.41 | Claremont, CA (USA) | 04.04.2015 | | 2016 | 55.57 | Los Angeles, CA (USA) | 19.03.2016 |
| Year | Result | Venue | Date |
|---|
| 2007 | 42.24 | Yanmar Stadium Nagai, Osaka (JPN) | 01.09.2007 | | 2008 | 42.25 | Austin, TX (USA) | 05.04.2008 | | 2009 | 41.58 | Cottbus (GER) | 08.08.2009 | | 2010 | 42.74 | Philadelphia, PA (USA) | 24.04.2010 | | 2011 | 41.56 | DS, Daegu (KOR) | 04.09.2011 | | 2012 | 40.82 | Olympic Stadium, London (GBR) | 10.08.2012 | | 2013 | 41.75 | Stade Louis II, Monaco (MON) | 19.07.2013 | | 2014 | 44.11 | Hampden Park, Glasgow (GBR) | 11.07.2014 | | 2015 | 42.32 | T. Robinson Stadium, Nassau (BAH) | 03.05.2015 | | 2016 | 42.61 | Philadelphia, PA (USA) | 30.04.2016 |
| Year | Result | Venue | Date |
|---|
| 2008 | 3:25.71 | Austin, TX (USA) | 05.04.2008 |
|
