Personal Bests| Event | Result | Venue | Date |
|---|
| 200m ind. | 25.31 | Baton Rouge, LA (USA) | 19.01.2008 | | 400m | 53.17 | Baton Rouge, LA (USA) | 12.04.2008 | | 400m ind. | 53.99 | Fayetteville, AR (USA) | 26.01.2008 | | 500m ind. | 1:10.41 | New York, NY (USA) | 11.01.2013 | | 600m ind. | 1:28.01 | Clemson, SC (USA) | 28.01.2017 | | 800m | 1:59.67 | Ninove (BEL) | 06.08.2011 | | 800m ind. | 2:01.81 | New York, NY (USA) | 22.01.2011 | | 1000m ind. | 2:52.14 | New York, NY (USA) | 04.02.2005 | | 4x400m | 3:30.61 | Eugene, OR (USA) | 12.06.2010 | | 4x400m ind. | 3:31.14 | Fayetteville, AR (USA) | 15.03.2008 | | Sprint Medley 1600m | 3:43.17 | Philadelphia, PA (USA) | 30.04.2011 | | 4x800m | 8:10.99 | Philadelphia, PA (USA) | 27.04.2013 | | Distance Medley ind. | 10:58.49 | New York, NY (USA) | 04.03.2011 |
| Season's BestsNo season's bests available. |
World RankingsNot ranked currently. | | Year | Result | Venue | Date |
|---|
| 2007 | 53.76 | Baton Rouge, LA (USA) | 31.03.2007 | | 2008 | 53.17 | Baton Rouge, LA (USA) | 12.04.2008 | | 2012 | 53.31 | Princeton, NJ (USA) | 07.04.2012 | | 2013 | 53.57 | Fairfax, VA (USA) | 13.04.2013 | | 2015 | 53.72 | Princeton, NJ (USA) | 18.04.2015 | | 2016 | 56.13 | Conway, SC (USA) | 19.03.2016 | | 2017 | 54.23 | Columbia, SC (USA) | 15.04.2017 | | 2019 | 57.69 | Stockton, CA (USA) | 13.04.2019 |
| Year | Result | Venue | Date |
|---|
| 2002 | 2:13.32 | Miami, FL (USA) | 07.07.2002 | | 2003 | 2:09.40 | Raleigh, NC (USA) | 14.06.2003 | | 2004 | 2:07.17 | Stadio Zecchini, Grosseto (ITA) | 13.07.2004 | | 2005 | 2:06.76 | Arcadia, CA (USA) | 09.04.2005 | | 2006 | 2:09.40 | Greensboro, NC (USA) | 15.06.2006 | | 2007 | 2:03.89 | Columbia, MO (USA) | 26.05.2007 | | 2008 | 2:03.22 | Baton Rouge, LA (USA) | 19.04.2008 | | 2009 | 2:01.56 | Fayetteville, AR (USA) | 13.06.2009 | | 2010 | 2:01.40 | Baton Rouge, LA (USA) | 17.04.2010 | | 2011 | 1:59.67 | Ninove (BEL) | 06.08.2011 | | 2012 | 2:01.27 | Hayward Field, Eugene, OR (USA) | 01.06.2012 | | 2013 | 2:00.61 | Drake Stadium, Des Moines, IA (USA) | 21.06.2013 | | 2014 | 2:00.95 | Moratalaz, Madrid (ESP) | 19.07.2014 | | 2015 | 2:00.95 | Sotteville-lès-Rouen (FRA) | 06.07.2015 | | 2016 | 2:02.49 | Somerville, MA (USA) | 17.06.2016 | | 2017 | 2:02.06 | Baie Mahault (FRA) | 17.05.2017 |
| Year | Result | Venue | Date |
|---|
| 2007 | 3:32.40 | Philadelphia, PA (USA) | 27.04.2007 | | 2010 | 3:30.61 | Eugene, OR (USA) | 12.06.2010 | | 2011 | 3:35.11 | Baton Rouge, LA (USA) | 23.04.2011 | | 2012 | 3:45.83 | Princeton, NJ (USA) | 07.04.2012 | | 2017 | 3:39.25 | Charlotte, NC (USA) | 18.03.2017 |
| Year | Result | Venue | Date |
|---|
| 2010 | 3:43.98 | Austin, TX (USA) | 02.04.2010 | | 2011 | 3:43.17 | Philadelphia, PA (USA) | 30.04.2011 |
| Year | Result | Venue | Date |
|---|
| 2010 | 8:19.77 | Philadelphia, PA (USA) | 24.04.2010 | | 2013 | 8:10.99 | Philadelphia, PA (USA) | 27.04.2013 | | 2014 | 8:14.76 | Eugene, OR (USA) | 26.07.2014 |
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