Personal Bests| Event | Result | Venue | Date |
|---|
| 400m | 46.86 | Raleigh, NC (USA) | 28.03.2008 | | 400m ind. | 48.09 | New York, NY (USA) | 05.02.2010 | | 500m ind. | 1:01.26 | Boston, MA (USA) | 08.03.2008 | | 600m ind. | 1:18.02 | New York, NY (USA) | 24.01.2016 | | 800m | 1:46.30 | Ninove (BEL) | 06.08.2011 | | 800m ind. | 1:48.00 | New York, NY (USA) | 21.01.2012 | | 1000m ind. | 2:27.85 | New York, NY (USA) | 06.01.2012 | | 4x400m ind. | 3:09.17 | Boston, MA (USA) | 06.03.2011 | | 4x800m | 7:17.55 | Eugene, OR (USA) | 26.07.2014 |
| Season's BestsNo season's bests available. |
World RankingsNot ranked currently. | | Year | Result | Venue | Date |
|---|
| 2007 | 47.53 | Bangkok (THA) | 09.08.2007 | | 2008 | 46.86 | Raleigh, NC (USA) | 28.03.2008 | | 2009 | 48.17 | Princeton, NJ (USA) | 16.05.2009 | | 2010 | 48.03 | Emmitsburg, MD (USA) | 02.05.2010 | | 2012 | 48.17 | Princeton, NJ (USA) | 07.04.2012 | | 2013 | 49.66 | Trenton, NJ (USA) | 27.04.2013 | | 2014 | 48.63 | Jamaica, NY (USA) | 03.05.2014 | | 2015 | 49.20 | Princeton, NJ (USA) | 02.05.2015 | | 2016 | 49.56 | New York, NY (USA) | 08.06.2016 | | 2017 | 49.43 | New York, NY (USA) | 18.05.2017 |
| Year | Result | Venue | Date |
|---|
| 2007 | 1:48.22 | Bangkok (THA) | 11.08.2007 | | 2008 | 1:49.43 | Tallahassee, FL (USA) | 30.05.2008 | | 2009 | 1:49.58 | Greensboro, NC (USA) | 29.05.2009 | | 2010 | 1:49.28 | Gainesville, FL (USA) | 02.04.2010 | | 2011 | 1:46.30 | Ninove (BEL) | 06.08.2011 | | 2012 | 1:47.04 | Tempe, AZ (USA) | 21.05.2012 | | 2013 | 1:48.70 | Luzern (SUI) | 17.07.2013 | | 2014 | 1:47.63 | Fairfax, VA (USA) | 12.04.2014 | | 2015 | 1:48.92 | Dublin (IRL) | 24.07.2015 | | 2016 | 1:49.33 | Philadelphia, PA (USA) | 25.06.2016 | | 2017 | 1:51.07 | New York, NY (USA) | 30.05.2017 | | 2019 | 1:56.38 | Mandela National Stadium, Kampala (UGA) | 26.07.2019 |
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