Personal Bests| Event | Result | Wind | Venue | Date |
|---|
| 55m ind. | 6.19 | | Gainesville, FL (USA) | 13.01.2007 | | 60m ind. | 6.58 | | Albuquerque, NM (USA) | 28.02.2010 | | 100m | 9.88 | +1.0 | Luzern (SUI) | 08.08.2010 | | 200m | 19.53 | +0.7 | Boudewijnstadion, Bruxelles (BEL) | 16.09.2011 | | 200m ind. | 20.27 | | Fayetteville, AR (USA) | 10.03.2006 | | 400m | 46.75 | | Tampa, FL (USA) | 14.05.2010 | | 4x100m | 37.92 | | Philadelphia, PA (USA) | 25.04.2009 | | 4x200m | 1:21.73 | | Philadelphia, PA (USA) | 28.04.2007 | | 4x400m ind. | 3:07.35 | | Fayetteville, AR (USA) | 10.03.2007 |
| Season's BestsNo season's bests available. |
World RankingsNot ranked currently. | No progression. | Year | Result | Wind | Venue | Date |
|---|
| 2001 | 10.85 | +1.2 | Norfolk (GBR) | 04.08.2001 | | 2002 | 10.72 | -0.4 | Knoxville, TN (USA) | 08.08.2002 | | 2003 | 10.41 | +0.9 | Gainesville, FL (USA) | 17.05.2003 | | 2004 | 10.28 | +0.8 | Gainesville, FL (USA) | 26.03.2004 | | 2005 | 10.06 | +1.5 | New York, NY (USA) | 27.05.2005 | | 2006 | 10.12 | -0.6 | Greensboro, NC (USA) | 26.05.2006 | | 2007 | 9.93 | 0.0 | Sacramento, CA (USA) | 08.06.2007 | | 2008 | 9.91 | 0.0 | National Stadium, Beijing (CHN) | 16.08.2008 | | 2009 | 10.00 | -1.1 | Tallahassee, FL (USA) | 11.04.2009 | | 2010 | 9.88 | +1.0 | Luzern (SUI) | 08.08.2010 | | 2011 | 9.94 | +1.3 | Hayward Field, Eugene, OR (USA) | 24.06.2011 | | 2012 | 10.03 | +0.7 | Hayward Field, Eugene, OR (USA) | 23.06.2012 | | 2013 | 9.99 | +0.7 | Stadio Guidobaldi, Rieti (ITA) | 08.09.2013 | | 2014 | 10.27 | +1.6 | Le Grand Stade, Marrakech (MAR) | 08.06.2014 | | 2015 | 10.17 | +1.3 | Gainesville, FL (USA) | 24.04.2015 | | 2016 | 10.03 | +2.0 | Tampa, FL (USA) | 27.05.2016 | | 2017 | 10.19 | -0.3 | Freeport (BAH) | 22.07.2017 | | 2018 | 10.24 | +1.7 | Clermont, FL (USA) | 12.05.2018 | | 2019 | 10.19 | +1.5 | Fort Lauderdale, FL (USA) | 12.07.2019 |
| Year | Result | Wind | Venue | Date |
|---|
| 2002 | 21.72 | +1.0 | Coral Springs, FL (USA) | 11.05.2002 | | 2003 | 21.04 | -0.4 | Gainesville, FL (USA) | 17.05.2003 | | 2004 | 20.62 | +0.4 | Gainesville, FL (USA) | 08.05.2004 | | 2005 | 20.18 | +1.0 | Sacramento, CA (USA) | 09.06.2005 | | 2006 | 20.25 | +1.3 | Atlanta, GA (USA) | 13.05.2006 | | 2007 | 19.69 | +0.9 | Gainesville, FL (USA) | 26.05.2007 | | 2008 | 19.86 | +1.7 | Eugene, OR (USA) | 06.07.2008 | | 2010 | 19.72 | +1.8 | Hayward Field, Eugene, OR (USA) | 03.07.2010 | | 2011 | 19.53 | +0.7 | Boudewijnstadion, Bruxelles (BEL) | 16.09.2011 | | 2012 | 20.02 | -0.5 | Suhaim bin Hamad Stadium, Doha (QAT) | 11.05.2012 | | 2013 | 20.12 | -0.2 | Boudewijnstadion, Bruxelles (BEL) | 06.09.2013 | | 2015 | 20.59 | +1.9 | Göteborg (SWE) | 05.09.2015 | | 2016 | 20.14 | +1.9 | Suhaim bin Hamad Stadium, Doha (QAT) | 06.05.2016 | | 2017 | 20.44 | -0.1 | Columbia, SC (USA) | 22.04.2017 | | 2018 | 20.61 | +0.8 | Clermont, FL (USA) | 12.05.2018 |
No progression. | Year | Result | Venue | Date |
|---|
| 2010 | 46.75 | Tampa, FL (USA) | 14.05.2010 | | 2015 | 47.86 | Tampa, FL (USA) | 13.03.2015 |
| Year | Result | Wind | Venue | Date |
|---|
| 2004 | 7.39 | -1.5 | Gainesville, FL (USA) | 26.03.2004 |
| Year | Result | Venue | Date |
|---|
| 2009 | 37.92 | Philadelphia, PA (USA) | 25.04.2009 | | 2010 | 38.33 | Philadelphia, PA (USA) | 24.04.2010 | | 2011 | 38.43 | Philadelphia, PA (USA) | 30.04.2011 | | 2012 | 38.40 | Philadelphia, PA (USA) | 28.04.2012 | | 2014 | 38.57 | Philadelphia, PA (USA) | 26.04.2014 |
| Year | Result | Venue | Date |
|---|
| 2007 | 1:21.73 | Philadelphia, PA (USA) | 28.04.2007 |
| Year | Result | Venue | Date |
|---|
| 2011 | 3:13.07 | Tallahassee, FL (USA) | 08.04.2011 |
|
