Personal Bests| Event | Result | Wind | Venue | Date |
|---|
| 55m ind. | 6.86 | | Reno, NV (USA) | 28.01.2006 | | 60m ind. | 7.22 | | Fayetteville, AR (USA) | 11.02.2012 | | 60m ind. | 7.22 | | New York, NY (USA) | 16.02.2013 | | 100m | 10.93 | +1.8 | Drake Stadium, Des Moines, IA (USA) | 21.06.2013 | | 100m | 10.93 | +1.2 | Hayward Field, Eugene, OR (USA) | 26.06.2015 | | 200m | 22.23 | -0.3 | Stade Louis II, Monaco (MON) | 17.07.2015 | | 200m ind. | 22.88 | | College Station, TX (USA) | 11.03.2011 | | 200m ind. | 22.88 | | Lincoln, NE (USA) | 26.02.2011 | | 200m ind. | 22.88 | | Lincoln, NE (USA) | 26.02.2011 | | 400m | 54.47 | | Northridge, CA (USA) | 24.03.2018 | | 4x100m | 41.64 | | Olympic Stadium, London (GBR) | 09.08.2012 | | 4x200m | 1:29.42 | | Philadelphia, PA (USA) | 24.04.2010 | | 4x400m | 3:26.31 | | Des Moines, IA (USA) | 11.06.2011 | | 4x400m ind. | 3:29.72 | | College Station, TX (USA) | 12.03.2011 |
| Season's BestsNo season's bests available. |
World RankingsNot ranked currently. | | Year | Result | Wind | Venue | Date |
|---|
| 2004 | 12.10 | | Arcadia, CA (USA) | 10.04.2004 | | 2005 | 11.81 | +1.7 | San José (USA) | 06.05.2005 | | 2006 | 11.24 | +1.2 | Indianapolis, IN (USA) | 22.06.2006 | | 2007 | 11.27 | +1.9 | Sacramento, CA (USA) | 02.06.2007 | | 2008 | 11.21 | +1.3 | Columbus, OH (USA) | 20.06.2008 | | 2009 | 11.31 | +1.9 | Austin, TX (USA) | 02.05.2009 | | 2010 | 11.19 | +0.1 | Columbia, MO (USA) | 16.05.2010 | | 2011 | 11.23 | +1.6 | Hayward Field, Eugene, OR (USA) | 23.06.2011 | | 2012 | 11.07 | +0.9 | Hayward Field, Eugene, OR (USA) | 23.06.2012 | | 2013 | 10.93 | +1.8 | Drake Stadium, Des Moines, IA (USA) | 21.06.2013 | | 2014 | 11.11 | -2.1 | Edmonton (CAN) | 06.07.2014 | | 2015 | 10.93 | +1.2 | Hayward Field, Eugene, OR (USA) | 26.06.2015 | | 2016 | 11.29 | +0.8 | Hayward Field, Eugene, OR (USA) | 02.07.2016 | | 2017 | 11.43 | +1.8 | Culver City, CA (USA) | 27.05.2017 | | 2018 | 11.19 | +0.4 | Bellinzona (SUI) | 18.07.2018 | | 2019 | 11.66 | +0.6 | St. George's (GRN) | 13.04.2019 |
| Year | Result | Wind | Venue | Date |
|---|
| 2005 | 24.04 | +0.2 | Los Gatos, CA (USA) | 27.05.2005 | | 2006 | 23.14 | +0.9 | Indianapolis, IN (USA) | 23.06.2006 | | 2007 | 23.34 | +1.6 | Sacramento, CA (USA) | 01.06.2007 | | 2008 | 22.94 | +1.9 | Fayetteville, AR (USA) | 31.05.2008 | | 2009 | 23.32 | +0.6 | Waco, TX (USA) | 18.04.2009 | | 2010 | 22.65 | +0.7 | Columbia, MO (USA) | 16.05.2010 | | 2011 | 22.28 | +1.0 | Hayward Field, Eugene, OR (USA) | 26.06.2011 | | 2012 | 22.35 | +1.0 | Hayward Field, Eugene, OR (USA) | 30.06.2012 | | 2013 | 22.70 | 0.0 | Luzhniki Stadion, Moskva (RUS) | 15.08.2013 | | 2014 | 22.41 | +1.9 | Sacramento, CA (USA) | 29.06.2014 | | 2015 | 22.23 | -0.3 | Stade Louis II, Monaco (MON) | 17.07.2015 | | 2016 | 22.81 | -0.8 | Olympic Stadium, London (GBR) | 23.07.2016 | | 2017 | 23.65 | -1.5 | Sacramento, CA (USA) | 24.06.2017 | | 2018 | 22.46 | +2.0 | Drake Stadium, Des Moines, IA (USA) | 24.06.2018 | | 2019 | 23.38 | -1.7 | Claremont, CA (USA) | 06.04.2019 |
| Year | Result | Venue | Date |
|---|
| 2006 | 43.29 | Eugene, OR (USA) | 08.08.2006 | | 2008 | 43.66 | Zdzisław Krzyszkowiak Stadium, Bydgoszcz (POL) | 12.07.2008 | | 2010 | 42.49 | Austin, TX (USA) | 29.05.2010 | | 2011 | 42.87 | Austin, TX (USA) | 09.04.2011 | | 2012 | 41.64 | Olympic Stadium, London (GBR) | 09.08.2012 | | 2013 | 41.78 | Stade Louis II, Monaco (MON) | 19.07.2013 | | 2014 | 41.88 | T. Robinson Stadium, Nassau (BAH) | 24.05.2014 | | 2015 | 41.83 | Letzigrund, Zürich (SUI) | 03.09.2015 | | 2016 | 43.25 | Walnut, CA (USA) | 16.04.2016 | | 2018 | 43.34 | Olympic Stadium, London (GBR) | 22.07.2018 |
| Year | Result | Venue | Date |
|---|
| 2010 | 1:29.42 | Philadelphia, PA (USA) | 24.04.2010 |
| Year | Result | Venue | Date |
|---|
| 2010 | 3:32.86 | Philadelphia, PA (USA) | 24.04.2010 | | 2011 | 3:26.31 | Des Moines, IA (USA) | 11.06.2011 | | 2019 | 3:40.48 | Claremont, CA (USA) | 06.04.2019 |
|
