Personal Bests| Event | Result | Wind | Venue | Date |
|---|
| 200m | 20.66 | +0.8 | Oxford, MS (USA) | 11.04.2009 | | 200m ind. | 21.24 | | Fayetteville, AR (USA) | 12.02.2011 | | 300m ind. | 33.72 | | Reggie Lewis Center, Boston, MA (USA) | 14.02.2016 | | 400m | 46.05 | | Greensboro, NC (USA) | 21.04.2007 | | 400m ind. | 46.02 | | Fayetteville, AR (USA) | 10.03.2006 | | 500m ind. | 1:02.84 | | University Park, PA (USA) | 27.01.2007 | | 55mH ind. | 7.39 | | Jonesboro, AR (USA) | 04.12.2004 | | 60mH ind. | 7.84 | | Baton Rouge, LA (USA) | 24.02.2006 | | 110mH | 13.86 | 0.0 | Houston, TX (USA) | 09.05.2004 | | 400mH | 47.70 | | Luzhniki Stadion, Moskva (RUS) | 15.08.2013 | | 4x100m | 38.99 | | Austin, TX (USA) | 30.03.2013 | | Sprint Medley 1000m | 1:49.24 | | Stockholm (SWE) | 25.07.2006 | | 4x400m | 3:04.38 | | Austin, TX (USA) | 09.04.2011 | | Distance Medley | 9:18.09 | | Philadelphia, PA (USA) | 30.04.2011 |
| Season's BestsNo season's bests available. |
World RankingsNot ranked currently. | | Year | Result | Wind | Venue | Date |
|---|
| 2005 | 21.48 | | Jackson, MS (USA) | 16.04.2005 | | 2006 | 20.96 | | Itta Bena, MS (USA) | 29.04.2006 | | 2009 | 20.66 | +0.8 | Oxford, MS (USA) | 11.04.2009 | | 2010 | 20.99 | +0.8 | Nuoro (ITA) | 14.07.2010 | | 2011 | 20.99 | +1.4 | Oxford, MS (USA) | 24.04.2011 | | 2014 | 20.68 | +1.1 | Walnut, CA (USA) | 19.04.2014 | | 2015 | 20.94 | +0.5 | Austin, TX (USA) | 11.04.2015 |
| Year | Result | Venue | Date |
|---|
| 2006 | 46.18 | Baton Rouge, LA (USA) | 01.04.2006 | | 2007 | 46.05 | Greensboro, NC (USA) | 21.04.2007 | | 2008 | 47.33 | Coral Gables, FL (USA) | 12.04.2008 | | 2010 | 47.32 | Oxford, MS (USA) | 10.04.2010 | | 2011 | 47.39 | Oxford, MS (USA) | 24.04.2011 |
| Year | Result | Wind | Venue | Date |
|---|
| 2003 | 14.76 | | Mobile, AL (USA) | 12.04.2003 | | 2004 | 13.86 | 0.0 | Houston, TX (USA) | 09.05.2004 | | 2005 | 14.13 | +1.0 | Columbia, SC (USA) | 19.03.2005 | | 2006 | 14.05 | | Itta Bena, MS (USA) | 30.04.2006 |
| Year | Result | Venue | Date |
|---|
| 2004 | 50.93 | Baton Rouge, LA (USA) | 29.05.2004 | | 2005 | 48.55 | Sacramento, CA (USA) | 11.06.2005 | | 2006 | 48.25 | Sacramento, CA (USA) | 10.06.2006 | | 2007 | 48.02 | Indianapolis, IN (USA) | 22.06.2007 | | 2008 | 48.84 | National Stadium, Kingston (JAM) | 03.05.2008 | | 2009 | 48.53 | Eugene, OR (USA) | 28.06.2009 | | 2010 | 48.46 | Ponce (PUR) | 08.05.2010 | | 2011 | 48.45 | Hayward Field, Eugene, OR (USA) | 26.06.2011 | | 2012 | 47.91 | Olympic Stadium, London (GBR) | 06.08.2012 | | 2013 | 47.70 | Luzhniki Stadion, Moskva (RUS) | 15.08.2013 | | 2014 | 48.25 | Stade de France, Paris-St-Denis (FRA) | 05.07.2014 | | 2015 | 48.34 | Stadio Olimpico, Roma (ITA) | 04.06.2015 | | 2016 | 48.74 | Hayward Field, Eugene, OR (USA) | 28.05.2016 | | 2017 | 49.00 | Sacramento, CA (USA) | 24.06.2017 | | 2018 | 49.68 | Baie Mahault (FRA) | 12.05.2018 |
| Year | Result | Venue | Date |
|---|
| 2013 | 38.99 | Austin, TX (USA) | 30.03.2013 | | 2014 | 39.17 | Walnut, CA (USA) | 19.04.2014 |
| Year | Result | Venue | Date |
|---|
| 2006 | 1:49.24 | Stockholm (SWE) | 25.07.2006 |
| Year | Result | Venue | Date |
|---|
| 2010 | 3:11.98 | Austin, TX (USA) | 03.04.2010 | | 2011 | 3:04.38 | Austin, TX (USA) | 09.04.2011 | | 2016 | 3:08.64 | Austin, TX (USA) | 02.04.2016 |
| Year | Result | Venue | Date |
|---|
| 2011 | 9:18.09 | Philadelphia, PA (USA) | 30.04.2011 | | 2012 | 9:19.88 | Philadelphia, PA (USA) | 28.04.2012 |
|
