Personal Bests| Event | Result | Venue | Date |
|---|
| 800m | 2:04.63 | Chapel Hill, NC (USA) | 14.04.2007 | | 800m ind. | 2:06.27 | Clemson, SC (USA) | 24.02.2007 | | 1500m | 4:05.64 | Heusden-Zolder (BEL) | 13.07.2013 | | 1500m ind. | 4:19.60 | Albuquerque, NM (USA) | 24.01.2015 | | Mile | 4:29.84 | Falmouth, MA (USA) | 16.08.2014 | | Mile ind. | 4:32.17 | Fayetteville, AR (USA) | 13.02.2009 | | 3000m | 8:51.38 | Hayward Field, Eugene, OR (USA) | 02.06.2012 | | 3000m ind. | 9:00.31 | Fayetteville, AR (USA) | 15.03.2008 | | 2 Miles | 9:54.61 | Hayward Field, Eugene, OR (USA) | 31.05.2014 | | 2 Miles ind. | 9:47.73 | Boston, MA (USA) | 01.03.2015 | | 5000m | 15:14.33 | Los Angeles, CA (USA) | 17.05.2013 | | Mile Road | 4:37.01 | Newcastle upon Tyne (GBR) | 06.09.2014 | | 5 km Road | 15:45 | San José (USA) | 28.11.2013 |
| Season's BestsNo season's bests available. |
World RankingsNot ranked currently. | No progression. | Year | Result | Venue | Date |
|---|
| 2003 | 2:08.67 | Sacramento, CA (USA) | 15.06.2003 | | 2004 | 2:11.07 | Arcadia, CA (USA) | 10.04.2004 | | 2006 | 2:10.63 | Winston Salem, NC (USA) | 21.04.2006 | | 2007 | 2:04.63 | Chapel Hill, NC (USA) | 14.04.2007 | | 2008 | 2:04.71 | Chapel Hill, NC (USA) | 09.05.2008 | | 2011 | 2:05.84 | Lignano Sabbiadoro (ITA) | 19.07.2011 |
| Year | Result | Venue | Date |
|---|
| 2006 | 4:28.82 | Winston Salem, NC (USA) | 21.04.2006 | | 2007 | 4:09.93 | Sacramento, CA (USA) | 09.06.2007 | | 2008 | 4:08.54 | Chapel Hill, NC (USA) | 17.05.2008 | | 2010 | 4:16.80 | Chapel Hill, NC (USA) | 10.04.2010 | | 2011 | 4:09.95 | Hayward Field, Eugene, OR (USA) | 23.06.2011 | | 2012 | 4:08.80 | Los Angeles, CA (USA) | 18.05.2012 | | 2013 | 4:05.64 | Heusden-Zolder (BEL) | 13.07.2013 | | 2014 | 4:07.42 | Los Angeles, CA (USA) | 15.05.2014 | | 2015 | 4:14.62 | Palo Alto, CA (USA) | 02.05.2015 | | 2016 | 4:12.13 | Portland, OR (USA) | 12.06.2016 |
| Year | Result | Venue | Date |
|---|
| 2005 | 4:39.71 | Greensboro, NC (USA) | 18.06.2005 | | 2007 | 4:36.21 | Philadelphia, PA (USA) | 28.04.2007 | | 2008 | 4:40.82 | Philadelphia, PA (USA) | 24.04.2008 | | 2013 | 4:30.44 | Dublin (IRL) | 17.07.2013 | | 2014 | 4:29.84 | Falmouth, MA (USA) | 16.08.2014 | | 2016 | 4:32.72 | Concord, MA (USA) | 02.06.2016 |
| Year | Result | Venue | Date |
|---|
| 2008 | 16:22.66 | Atlanta, GA (USA) | 19.04.2008 | | 2010 | 15:55.29 | Palo Alto, CA (USA) | 26.03.2010 | | 2011 | 15:43.87 | Eugene, OR (USA) | 22.04.2011 | | 2012 | 15:22.39 | Palo Alto, CA (USA) | 06.04.2012 | | 2013 | 15:14.33 | Los Angeles, CA (USA) | 17.05.2013 | | 2015 | 15:37.17 | Portland, OR (USA) | 13.06.2015 | | 2016 | 16:14.46 | Palo Alto, CA (USA) | 01.05.2016 |
| Year | Result | Venue | Date |
|---|
| 2011 | 4:59.1h | Boston, MA (USA) | 17.04.2011 | | 2014 | 4:37.01 | Newcastle upon Tyne (GBR) | 06.09.2014 |
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