Personal Bests| Event | Result | Wind | Venue | Date |
|---|
| 55m ind. | 6.30 | | Columbia, SC (USA) | 19.02.2005 | | 60m ind. | 6.56 | | Boston, MA (USA) | 24.02.2008 | | 100m | 10.02 | +1.6 | Eugene, OR (USA) | 28.06.2008 | | 200m | 20.44 | +0.3 | Indianapolis, IN (USA) | 25.06.2006 | | 200m ind. | 21.26 | | Fayetteville, AR (USA) | 11.02.2006 | | 4x100m | 37.78 | | Yanmar Stadium Nagai, Osaka (JPN) | 01.09.2007 | | 4x400m | 3:06.45 | | Austin, TX (USA) | 31.03.2012 |
| Season's BestsNo season's bests available. |
World RankingsNot ranked currently. | | Year | Result | Wind | Venue | Date |
|---|
| 2003 | 10.48 | +1.6 | Lawrence, KS (USA) | 19.04.2003 | | 2004 | 10.42 | +1.4 | Levelland, TX (USA) | 07.05.2004 | | 2005 | 10.19 | +1.5 | New York, NY (USA) | 27.05.2005 | | 2006 | 10.24 | +1.0 | Greensboro, NC (USA) | 27.05.2006 | | 2007 | 10.07 | +1.9 | Indianapolis, IN (USA) | 21.06.2007 | | 2008 | 10.02 | +1.6 | Eugene, OR (USA) | 28.06.2008 | | 2009 | 10.06 | +0.2 | Lapinlahti (FIN) | 25.07.2009 | | 2010 | 10.13 | +1.6 | Maringa (BRA) | 30.05.2010 | | 2011 | 10.17 | +0.7 | Walnut, CA (USA) | 16.04.2011 | | 2012 | 10.38 | +0.9 | Los Angeles, CA (USA) | 02.06.2012 | | 2013 | 10.27 | +0.7 | Los Angeles, CA (USA) | 04.05.2013 | | 2014 | 10.35 | +1.0 | Atlanta, GA (USA) | 16.05.2014 | | 2015 | 10.65 | +0.9 | Norwalk, CA (USA) | 06.06.2015 |
| Year | Result | Wind | Venue | Date |
|---|
| 2003 | 21.10 | +1.1 | Wichita, KS (USA) | 12.04.2003 | | 2004 | 20.95 | | Levelland, TX (USA) | 08.05.2004 | | 2005 | 20.58 | -0.1 | New York, NY (USA) | 27.05.2005 | | 2006 | 20.44 | +0.3 | Indianapolis, IN (USA) | 25.06.2006 | | 2007 | 21.01 | +1.9 | Modesto, CA (USA) | 05.05.2007 | | 2008 | 20.91 | -1.7 | Carson, CA (USA) | 18.05.2008 | | 2009 | 20.92 | -0.5 | Joensuu (FIN) | 22.07.2009 | | 2010 | 20.59 | -2.4 | Drake Stadium, Des Moines, IA (USA) | 27.06.2010 | | 2011 | 20.71 | +0.9 | Hayward Field, Eugene, OR (USA) | 26.06.2011 | | 2012 | 21.21 | -0.8 | Los Angeles, CA (USA) | 02.06.2012 | | 2013 | 20.81 | -0.3 | Los Angeles, CA (USA) | 12.05.2013 | | 2014 | 21.09 | +1.0 | Sacramento, CA (USA) | 28.06.2014 | | 2015 | 21.57 | +1.5 | Norwalk, CA (USA) | 06.06.2015 |
| Year | Result | Venue | Date |
|---|
| 2009 | 48.47 | Norwalk, CA (USA) | 20.03.2009 |
| Year | Result | Venue | Date |
|---|
| 2007 | 37.78 | Yanmar Stadium Nagai, Osaka (JPN) | 01.09.2007 | | 2008 | 38.21 | Stockholm (SWE) | 22.07.2008 | | 2011 | 39.93 | Los Angeles, CA (USA) | 09.04.2011 | | 2012 | 40.16 | Las Vegas, NV (USA) | 02.03.2012 | | 2013 | 41.53 | Northridge, CA (USA) | 17.03.2013 |
| Year | Result | Venue | Date |
|---|
| 2012 | 3:06.45 | Austin, TX (USA) | 31.03.2012 |
|
