Personal Bests| Event | Result | Wind | Venue | Date |
|---|
| 50m ind. | 6.20 | | MSG, New York, NY (USA) | 28.01.2012 | | 55m ind. | 6.78 | | New York, NY (USA) | 11.02.2012 | | 60m ind. | 7.14 | | Boston, MA (USA) | 01.03.2015 | | 60m ind. | 7.14 | | Barclaycard Arena, Birmingham (GBR) | 21.02.2015 | | 100m | 11.13 | +0.5 | Stadio Guidobaldi, Rieti (ITA) | 07.09.2014 | | 200m | 22.99 | +1.6 | Hayward Field, Eugene, OR (USA) | 25.06.2011 | | 200m ind. | 23.20 | | Albuquerque, NM (USA) | 26.02.2011 | | 300m | 37.84 | | Eugene, OR (USA) | 08.08.2006 | | 300m ind. | 38.21 | | Blacksburg, VA (USA) | 16.01.2015 | | 400m | 52.25 | | Denton, TX (USA) | 17.05.2008 | | 400m ind. | 54.13 | | Boston, MA (USA) | 24.02.2007 | | 4x100m | 42.23 | | Cottbus (GER) | 08.08.2009 | | 4x400m | 3:34.83 | | Chaoyang Sport Center, Beijing (CHN) | 19.08.2006 | | 4x400m ind. | 3:34.00 | | College Station, TX (USA) | 12.03.2011 |
| Season's Bests| Event | Result | Wind | Venue | Date | T-L |
|---|
| 100m | 11.34 | +3.4 | LSU Bernie Moore Stadium, Baton Rouge, LA (USA) | 30.03.2024 | |
|
World RankingsNot ranked currently. | | Year | Result | Wind | Venue | Date |
|---|
| 2007 | 11.70 | -0.1 | Richmond, VA (USA) | 24.03.2007 | | 2009 | 11.18 | -0.3 | Norman, OK (USA) | 30.05.2009 | | 2011 | 11.14 | +1.5 | Des Moines, IA (USA) | 10.06.2011 | | 2012 | 11.40 | +2.0 | Luzern (SUI) | 17.07.2012 | | 2013 | 11.16 | +2.0 | Drake Stadium, Des Moines, IA (USA) | 21.06.2013 | | 2014 | 11.13 | +0.5 | Stadio Guidobaldi, Rieti (ITA) | 07.09.2014 | | 2015 | 11.20 | 0.0 | Bellinzona (SUI) | 21.07.2015 |
| Year | Result | Wind | Venue | Date |
|---|
| 2004 | 24.69 | -0.2 | Raleigh, NC (USA) | 19.06.2004 | | 2005 | 24.13 | +1.7 | Columbia, SC (USA) | 07.05.2005 | | 2006 | 23.50 | +0.9 | Indianapolis, IN (USA) | 23.06.2006 | | 2007 | 23.65 | -0.6 | Atlanta, GA (USA) | 12.05.2007 | | 2008 | 23.30 | +1.0 | Denton, TX (USA) | 18.05.2008 | | 2009 | 23.16 | +0.9 | Norman, OK (USA) | 29.05.2009 | | 2011 | 22.99 | +1.6 | Hayward Field, Eugene, OR (USA) | 25.06.2011 | | 2012 | 23.69 | +0.5 | Hayward Field, Eugene, OR (USA) | 28.06.2012 | | 2013 | 23.00 | +1.5 | Drake Stadium, Des Moines, IA (USA) | 22.06.2013 | | 2014 | 23.28 | +1.8 | Clermont, FL (USA) | 07.06.2014 | | 2015 | 23.19 | +1.7 | Alexander Stadium, Birmingham (GBR) | 07.06.2015 |
| Year | Result | Venue | Date |
|---|
| 2006 | 37.84 | Eugene, OR (USA) | 08.08.2006 |
| Year | Result | Venue | Date |
|---|
| 2005 | 55.90 | Columbia, SC (USA) | 07.05.2005 | | 2006 | 53.39 | Indianapolis, IN (USA) | 24.06.2006 | | 2007 | 52.47 | Indianapolis, IN (USA) | 21.06.2007 | | 2008 | 52.25 | Denton, TX (USA) | 17.05.2008 | | 2009 | 52.96 | Fort Worth, TX (USA) | 18.04.2009 | | 2011 | 52.27 | Tempe, AZ (USA) | 26.03.2011 | | 2013 | 55.01 | Lake Buena Vista, FL (USA) | 22.03.2013 | | 2014 | 53.95 | Columbia, SC (USA) | 19.04.2014 |
No progression. | Year | Result | Venue | Date |
|---|
| 2009 | 42.23 | Cottbus (GER) | 08.08.2009 | | 2011 | 42.45 | Lignano Sabbiadoro (ITA) | 19.07.2011 | | 2013 | 44.91 | Philadelphia, PA (USA) | 26.04.2013 | | 2015 | 42.32 | Olympic Stadium, London (GBR) | 24.07.2015 |
| Year | Result | Venue | Date |
|---|
| 2006 | 3:34.83 | Chaoyang Sport Center, Beijing (CHN) | 19.08.2006 | | 2011 | 3:34.87 | Austin, TX (USA) | 09.04.2011 |
|
