Personal Bests| Event | Result | Wind | Venue | Date |
|---|
| 55m ind. | 6.93 | | Knoxville, TN (USA) | 20.02.2004 | | 60m ind. | 7.46 | | Blacksburg, VA (USA) | 14.01.2005 | | 100m | 11.65 | +1.4 | Athens, GA (USA) | 20.04.2002 | | 200m | 22.85 | -1.1 | Drake Stadium, Des Moines, IA (USA) | 23.06.2013 | | 200m ind. | 23.19 | | University Park, PA (USA) | 31.01.2004 | | 200m ind. | 23.19 | | Fayetteville, AR (USA) | 11.02.2005 | | 300m | 36.29 | | Atlanta, GA (USA) | 16.05.2014 | | 300m ind. | 36.42 | | Fayetteville, AR (USA) | 09.02.2007 | | 400m | 49.64 | | Indianapolis, IN (USA) | 23.06.2007 | | 400m ind. | 51.23 | | Albuquerque, NM (USA) | 28.02.2010 | | 4x100m | 43.16 | | Olympic Stadium, London (GBR) | 26.07.2013 | | 4x400m | 3:16.87 | | Olympic Stadium, London (GBR) | 11.08.2012 | | 4x400m ind. | 3:27.34 | | Aspire Dome, Doha (QAT) | 14.03.2010 | | Sprint Medley 1600m | 3:38.53 | | Philadelphia, PA (USA) | 24.04.2010 |
| Season's BestsNo season's bests available. |
World RankingsNot ranked currently. | | Year | Result | Wind | Venue | Date |
|---|
| 2002 | 11.65 | +1.4 | Athens, GA (USA) | 20.04.2002 | | 2003 | 11.66 | +1.9 | Knoxville, TN (USA) | 03.05.2003 | | 2004 | 11.73 | +0.5 | Walnut, CA (USA) | 18.04.2004 | | 2006 | 11.70 | +1.9 | Gainesville, FL (USA) | 01.04.2006 | | 2007 | 11.85 | +1.4 | Winston Salem, NC (USA) | 24.03.2007 | | 2011 | 11.90 | -0.9 | Orlando, FL (USA) | 26.03.2011 | | 2012 | 11.73 | +0.2 | Gainesville, FL (USA) | 06.04.2012 |
| Year | Result | Wind | Venue | Date |
|---|
| 2002 | 23.47 | +0.2 | Athens, GA (USA) | 20.04.2002 | | 2003 | 23.36 | -0.2 | Knoxville, TN (USA) | 18.05.2003 | | 2004 | 23.27 | -0.6 | Knoxville, TN (USA) | 10.04.2004 | | 2005 | 23.12 | +0.3 | Heusden-Zolder (BEL) | 23.07.2005 | | 2006 | 23.04 | -1.3 | New York, NY (USA) | 03.06.2006 | | 2007 | 23.43 | 0.0 | Atlanta, GA (USA) | 12.05.2007 | | 2008 | 23.49 | | Auburn, AL (USA) | 05.04.2008 | | 2009 | 23.67 | +1.0 | Nuoro (ITA) | 08.07.2009 | | 2011 | 23.62 | +1.7 | Orlando, FL (USA) | 26.03.2011 | | 2013 | 22.85 | -1.1 | Drake Stadium, Des Moines, IA (USA) | 23.06.2013 | | 2014 | 23.03 | +1.3 | Gainesville, FL (USA) | 04.04.2014 | | 2015 | 23.16 | +1.1 | Gainesville, FL (USA) | 03.04.2015 | | 2016 | 23.56 | +1.2 | Walnut, CA (USA) | 16.04.2016 |
| Year | Result | Venue | Date |
|---|
| 2002 | 53.66 | Knoxville, TN (USA) | 12.04.2002 | | 2003 | 50.66 | Sacramento, CA (USA) | 14.06.2003 | | 2004 | 50.00 | Olympic Stadium, Athina (GRE) | 24.08.2004 | | 2005 | 49.88 | Carson, CA (USA) | 25.06.2005 | | 2006 | 49.80 | Shanghai (CHN) | 23.09.2006 | | 2007 | 49.64 | Indianapolis, IN (USA) | 23.06.2007 | | 2008 | 50.88 | Eugene, OR (USA) | 03.07.2008 | | 2009 | 52.00 | Olympic Stadium, Athina (GRE) | 13.07.2009 | | 2010 | 51.52 | Kingston (JAM) | 01.05.2010 | | 2011 | 51.17 | Hayward Field, Eugene, OR (USA) | 25.06.2011 | | 2012 | 49.72 | Olympic Stadium, London (GBR) | 05.08.2012 | | 2013 | 51.67 | Baie Mahault (FRA) | 08.05.2013 | | 2014 | 50.98 | Sacramento, CA (USA) | 27.06.2014 | | 2015 | 51.24 | Hayward Field, Eugene, OR (USA) | 26.06.2015 | | 2016 | 51.75 | Atlanta, GA (USA) | 04.06.2016 |
| Year | Result | Wind | Venue | Date |
|---|
| 2002 | 6.00 | +1.5 | Knoxville, TN (USA) | 13.04.2002 | | 2013 | 5.53 | +0.8 | Lake Buena Vista, FL (USA) | 22.03.2013 |
| Year | Result | Venue | Date |
|---|
| 2003 | 3:24.57 | Stade de France, Paris-St-Denis (FRA) | 30.08.2003 | | 2004 | 3:19.01 | Olympic Stadium, Athina (GRE) | 28.08.2004 | | 2005 | 3:22.93 | Philadelphia, PA (USA) | 30.04.2005 | | 2006 | 3:20.69 | Olympic Stadium, Athina (GRE) | 17.09.2006 | | 2007 | 3:18.55 | Yanmar Stadium Nagai, Osaka (JPN) | 02.09.2007 | | 2010 | 3:26.12 | Philadelphia, PA (USA) | 24.04.2010 | | 2011 | 3:23.17 | Philadelphia, PA (USA) | 30.04.2011 | | 2012 | 3:16.87 | Olympic Stadium, London (GBR) | 11.08.2012 | | 2013 | 3:22.66 | Philadelphia, PA (USA) | 27.04.2013 | | 2014 | 3:21.73 | T. Robinson Stadium, Nassau (BAH) | 25.05.2014 | | 2015 | 3:24.05 | T. Robinson Stadium, Nassau (BAH) | 02.05.2015 | | 2016 | 3:26.83 | Philadelphia, PA (USA) | 30.04.2016 |
| Year | Result | Venue | Date |
|---|
| 2010 | 3:38.53 | Philadelphia, PA (USA) | 24.04.2010 | | 2011 | 3:43.17 | Philadelphia, PA (USA) | 30.04.2011 |
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