Personal Bests| Event | Result | Wind | Venue | Date |
|---|
| 400m | 54.53 | | Coral Gables, FL (USA) | 16.04.2011 | | 400m ind. | 53.25 | | Blacksburg, VA (USA) | 26.02.2011 | | 55mH ind. | 7.81 | | Gainesville, FL (USA) | 26.01.2008 | | 60mH ind. | 8.00 | | Fayetteville, AR (USA) | 12.03.2010 | | 100mH | 12.84 | +1.8 | Eugene, OR (USA) | 12.06.2010 | | 400mH | 54.21 | | Olympic Stadium, London (GBR) | 06.08.2012 | | 4x100mH Shuttle | 53.82 | | Philadelphia, PA (USA) | 23.04.2010 | | 4x400m | 3:32.22 | | Gainesville, FL (USA) | 01.04.2016 | | 4x400m ind. | 3:36.57 | | Fayetteville, AR (USA) | 15.03.2008 |
| Season's BestsNo season's bests available. |
World RankingsNot ranked currently. | | Year | Result | Venue | Date |
|---|
| 2011 | 54.53 | Coral Gables, FL (USA) | 16.04.2011 |
| Year | Result | Wind | Venue | Date |
|---|
| 2006 | 13.70 | +0.4 | Hampton, VA (USA) | 05.08.2006 | | 2007 | 13.99 | -0.4 | Columbia (USA) | 14.04.2007 | | 2008 | 13.36 | -0.7 | Atlanta, GA (USA) | 18.04.2008 | | 2010 | 12.84 | +1.8 | Eugene, OR (USA) | 12.06.2010 | | 2011 | 12.94 | +1.9 | Durham, NC (USA) | 23.04.2011 |
| Year | Result | Venue | Date |
|---|
| 2005 | 1:01.83 | Greensboro, NC (USA) | 18.06.2005 | | 2006 | 1:00.45 | Greensboro, NC (USA) | 17.06.2006 | | 2007 | 1:02.60 | Columbia (USA) | 14.04.2007 | | 2008 | 56.72 | Atlanta, GA (USA) | 19.04.2008 | | 2009 | 55.98 | Fayetteville, AR (USA) | 12.06.2009 | | 2010 | 54.74 | Greensboro, NC (USA) | 28.05.2010 | | 2011 | 55.59 | Des Moines, IA (USA) | 08.06.2011 | | 2012 | 54.21 | Olympic Stadium, London (GBR) | 06.08.2012 | | 2013 | 54.83 | National Stadium, Kingston (JAM) | 04.05.2013 | | 2015 | 56.54 | Des Moines, IA (USA) | 25.04.2015 | | 2016 | 55.30 | Atlanta, GA (USA) | 04.06.2016 |
| Year | Result | Venue | Date |
|---|
| 2010 | 3:36.27 | Eugene, OR (USA) | 10.06.2010 | | 2011 | 3:42.30 | Durham, NC (USA) | 23.04.2011 | | 2012 | 3:32.28 | Gainesville, FL (USA) | 07.04.2012 | | 2016 | 3:32.22 | Gainesville, FL (USA) | 01.04.2016 |
|
