Personal Bests| Event | Result | Wind | Venue | Date |
|---|
| 60m ind. | 7.73 | | Seattle, WA (USA) | 16.01.2010 | | 100m | 12.05 | +1.0 | Los Angeles, CA (USA) | 09.04.2011 | | 200m | 23.26 | +0.4 | Los Angeles, CA (USA) | 07.04.2012 | | 200m ind. | 23.92 | | Fayetteville, AR (USA) | 13.02.2010 | | 300m | 37.36 | | Pasadena, CA (USA) | 23.03.2013 | | 400m | 50.76 | | Berkeley, CA (USA) | 16.05.2010 | | 400m ind. | 51.63 | | Fayetteville, AR (USA) | 13.03.2010 | | 800m | 2:10.43 | | Pasadena, CA (USA) | 23.03.2012 | | 4x100m | 43.50 | | Austin, TX (USA) | 29.05.2010 | | 4x400m | 3:22.09 | | Olympic Stadium, London (GBR) | 10.08.2012 | | 4x400m ind. | 3:32.97 | | Fayetteville, AR (USA) | 13.03.2010 | | Distance Medley | 11:02.85 | | Philadelphia, PA (USA) | 22.04.2010 |
| Season's BestsNo season's bests available. |
World RankingsNot ranked currently. | | Year | Result | Wind | Venue | Date |
|---|
| 2008 | 24.31 | +1.2 | Walnut, CA (USA) | 18.04.2008 | | 2009 | 23.70 | +1.9 | Eugene, OR (USA) | 17.05.2009 | | 2010 | 23.41 | -1.8 | Berkeley, CA (USA) | 16.05.2010 | | 2011 | 23.46 | +1.3 | Walnut, CA (USA) | 16.04.2011 | | 2012 | 23.26 | +0.4 | Los Angeles, CA (USA) | 07.04.2012 | | 2013 | 23.69 | -2.0 | Taipei City (TPE) | 28.05.2013 |
| Year | Result | Venue | Date |
|---|
| 2005 | 55.25 | Sacramento, CA (USA) | 04.06.2005 | | 2006 | 54.46 | Norwalk, CA (USA) | 03.06.2006 | | 2007 | 54.43 | Eugene, OR (USA) | 21.04.2007 | | 2008 | 53.27 | Tempe, AZ (USA) | 17.05.2008 | | 2009 | 51.29 | Fayetteville, AR (USA) | 13.06.2009 | | 2010 | 50.76 | Berkeley, CA (USA) | 16.05.2010 | | 2011 | 51.61 | Los Angeles, CA (USA) | 23.04.2011 | | 2012 | 51.23 | Hayward Field, Eugene, OR (USA) | 24.06.2012 | | 2013 | 51.15 | Los Angeles, CA (USA) | 04.05.2013 | | 2014 | 52.96 | Walnut, CA (USA) | 19.04.2014 |
| Year | Result | Venue | Date |
|---|
| 2008 | 2:14.76 | Eugene, OR (USA) | 22.03.2008 | | 2012 | 2:10.43 | Pasadena, CA (USA) | 23.03.2012 |
| Year | Result | Venue | Date |
|---|
| 2010 | 43.50 | Austin, TX (USA) | 29.05.2010 |
| Year | Result | Venue | Date |
|---|
| 2007 | 3:40.58 | Eugene, OR (USA) | 26.05.2007 | | 2010 | 3:28.54 | Eugene, OR (USA) | 12.06.2010 | | 2011 | 3:23.17 | Philadelphia, PA (USA) | 30.04.2011 | | 2012 | 3:22.09 | Olympic Stadium, London (GBR) | 10.08.2012 | | 2013 | 3:26.26 | Philadelphia, PA (USA) | 27.04.2013 | | 2014 | 3:25.62 | Philadelphia, PA (USA) | 26.04.2014 |
|
