Personal Bests| Event | Result | Wind | Venue | Date |
|---|
| 200m | 21.08 | +0.6 | Cuxhaven (GER) | 09.06.2010 | | 200m ind. | 21.19 | | Boston, MA (USA) | 10.03.2007 | | 300m | 32.78 | | Mestský Stadion, Ostrava (CZE) | 27.05.2010 | | 300m ind. | 33.39 | | Liévin (FRA) | 08.02.2011 | | 400m | 44.80 | | Drake Stadium, Des Moines, IA (USA) | 26.06.2010 | | 400m ind. | 45.76 | | Albuquerque, NM (USA) | 28.02.2010 | | 600m ind. | 1:19.32 | | Moskva (RUS) | 06.02.2011 | | 4x200m | 1:24.62 | | Gainesville, FL (USA) | 06.04.2013 | | 4x400m | 2:58.82 | | DS, Daegu (KOR) | 01.09.2011 | | 4x400m ind. | 3:03.40 | | Aspire Dome, Doha (QAT) | 14.03.2010 |
| Season's BestsNo season's bests available. |
World RankingsNot ranked currently. | | Year | Result | Wind | Venue | Date |
|---|
| 2003 | 22.03 | +1.1 | Durham, NC (USA) | 05.04.2003 | | 2008 | 21.10 | +0.1 | Kalamata (GRE) | 04.06.2008 | | 2009 | 21.28 | -0.7 | Coral Gables, FL (USA) | 11.04.2009 | | 2010 | 21.08 | +0.6 | Cuxhaven (GER) | 09.06.2010 | | 2012 | 21.40 | -2.7 | High Point, NC (USA) | 24.03.2012 | | 2015 | 21.78 | +0.5 | Winston Salem, NC (USA) | 21.03.2015 |
| Year | Result | Venue | Date |
|---|
| 2010 | 32.78 | Mestský Stadion, Ostrava (CZE) | 27.05.2010 |
| Year | Result | Venue | Date |
|---|
| 2001 | 47.20 | Norfolk (GBR) | 03.08.2001 | | 2002 | 46.56 | Orlando, FL (USA) | 25.05.2002 | | 2003 | 46.58 | Charlotte, NC (USA) | 12.04.2003 | | 2004 | 46.83 | Walnut, CA (USA) | 29.05.2004 | | 2005 | 46.42 | Durham, NC (USA) | 09.04.2005 | | 2006 | 46.40 | Lake Buena Vista, FL (USA) | 24.03.2006 | | 2007 | 45.19 | Indianapolis, IN (USA) | 22.06.2007 | | 2008 | 45.66 | Kalamata (GRE) | 04.06.2008 | | 2009 | 45.31 | Gainesville, FL (USA) | 03.04.2009 | | 2010 | 44.80 | Drake Stadium, Des Moines, IA (USA) | 26.06.2010 | | 2011 | 45.11 | Hayward Field, Eugene, OR (USA) | 25.06.2011 | | 2012 | 45.94 | Greensboro, NC (USA) | 13.05.2012 | | 2013 | 45.85 | Montverde, FL (USA) | 01.06.2013 | | 2015 | 46.88 | Elon, NC (USA) | 18.04.2015 |
| Year | Result | Venue | Date |
|---|
| 2013 | 1:24.62 | Gainesville, FL (USA) | 06.04.2013 |
| Year | Result | Venue | Date |
|---|
| 2007 | 3:02.44 | Rio de Janeiro (BRA) | 28.07.2007 | | 2008 | 3:05.97 | Philadelphia, PA (USA) | 26.04.2008 | | 2009 | 3:00.58 | Philadelphia, PA (USA) | 25.04.2009 | | 2010 | 3:00.60 | Philadelphia, PA (USA) | 24.04.2010 | | 2011 | 2:58.82 | DS, Daegu (KOR) | 01.09.2011 | | 2012 | 3:03.04 | Gainesville, FL (USA) | 07.04.2012 | | 2013 | 3:02.64 | Philadelphia, PA (USA) | 27.04.2013 |
| Year | Result | Venue | Date |
|---|
| 2013 | 3:18.97 | Gainesville, FL (USA) | 06.04.2013 |
|
