Personal Bests| Event | Result | Venue | Date |
|---|
| 200m ind. | 25.27 | Hanover, NH (USA) | 25.02.2006 | | 400m | 53.62 | Philadelphia, PA (USA) | 07.05.2006 | | 400m ind. | 55.59 | New Haven, CT (USA) | 04.02.2006 | | 500m ind. | 1:11.77 | Boston, MA (USA) | 06.03.2005 | | 600m ind. | 1:32.02 | New York, NY (USA) | 19.02.2015 | | 800m | 2:03.42 | Icahn Stadium, New York, NY (USA) | 30.05.2009 | | 800m ind. | 2:05.16 | Boston, MA (USA) | 13.02.2009 | | 1500m | 4:28.89 | Philadelphia, PA (USA) | 03.04.2010 | | Mile | 4:42.45 | Philadelphia, PA (USA) | 30.04.2011 | | Mile ind. | 4:52.16 | Boston, MA (USA) | 29.01.2011 | | Sprint Medley 1600m | 3:43.14 | Philadelphia, PA (USA) | 24.04.2010 | | Distance Medley ind. | 11:41.33 | Armory Track&Field Center, New York, NY (USA) | 29.01.2022 |
| Season's BestsNo season's bests available. |
World RankingsNot ranked currently. | | Year | Result | Venue | Date |
|---|
| 2005 | 54.41 | Princeton, NJ (USA) | 15.05.2005 | | 2006 | 53.62 | Philadelphia, PA (USA) | 07.05.2006 | | 2007 | 55.12 | Princeton, NJ (USA) | 14.04.2007 | | 2008 | 56.76 | College Park, MD (USA) | 29.03.2008 | | 2016 | 56.41 | Baltimore, MD (USA) | 16.04.2016 | | 2018 | 58.61 | Baltimore, MD (USA) | 06.04.2018 |
| Year | Result | Venue | Date |
|---|
| 2006 | 2:12.24 | College Park, MD (USA) | 01.04.2006 | | 2007 | 2:06.29 | Gainesville, FL (USA) | 26.05.2007 | | 2008 | 2:05.47 | Walnut, CA (USA) | 18.04.2008 | | 2009 | 2:03.42 | Icahn Stadium, New York, NY (USA) | 30.05.2009 | | 2010 | 2:05.01 | Indianapolis, IN (USA) | 19.06.2010 | | 2011 | 2:03.63 | Hayward Field, Eugene, OR (USA) | 24.06.2011 | | 2012 | 2:05.95 | New York, NY (USA) | 01.06.2012 | | 2013 | 2:04.68 | Indianapolis, IN (USA) | 15.06.2013 | | 2014 | 2:04.40 | Swarthmore, PA (USA) | 12.05.2014 | | 2015 | 2:04.66 | Swarthmore, PA (USA) | 11.05.2015 | | 2016 | 2:04.05 | Los Angeles, CA (USA) | 20.05.2016 | | 2017 | 2:11.84 | Swarthmore, PA (USA) | 17.05.2017 | | 2018 | 2:11.11 | Swarthmore, PA (USA) | 14.05.2018 | | 2019 | 2:13.98 | Richmond, VA (USA) | 30.03.2019 |
| Year | Result | Venue | Date |
|---|
| 2009 | 4:32.13 | Philadelphia, PA (USA) | 04.04.2009 | | 2010 | 4:28.89 | Philadelphia, PA (USA) | 03.04.2010 | | 2011 | 4:31.40 | Philadelphia, PA (USA) | 02.04.2011 | | 2012 | 4:33.36 | Philadelphia, PA (USA) | 07.04.2012 | | 2015 | 4:40.81 | College Park, MD (USA) | 28.03.2015 | | 2016 | 4:35.90 | Conway, SC (USA) | 12.03.2016 | | 2018 | 4:42.51 | Baltimore, MD (USA) | 06.04.2018 |
| Year | Result | Venue | Date |
|---|
| 2011 | 4:42.45 | Philadelphia, PA (USA) | 30.04.2011 | | 2012 | 4:47.72 | Philadelphia, PA (USA) | 28.04.2012 | | 2013 | 4:46.35 | Philadelphia, PA (USA) | 27.04.2013 | | 2015 | 4:51.29 | Philadelphia, PA (USA) | 25.04.2015 |
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