Personal Bests| Event | Result | Venue | Date |
|---|
| 800m | 2:12.80 | Durham, NC (USA) | 08.05.2003 | | 1500m | 4:05.89 | Los Angeles, CA (USA) | 17.05.2013 | | Mile | 4:35.69 | Nashville, TN (USA) | 04.06.2011 | | Mile ind. | 4:47.69 | Chapel Hill, NC (USA) | 27.01.2007 | | 3000m | 9:14.44 | Eugene, OR (USA) | 05.05.2012 | | 3000m ind. | 9:03.47 | New York, NY (USA) | 03.02.2007 | | 5000m | 15:08.52 | Palo Alto, CA (USA) | 29.04.2012 | | 5000m ind. | 15:58.85 | Fayetteville, AR (USA) | 09.03.2007 | | 10,000m | 33:11.23 | College Park, MD (USA) | 19.04.2007 | | Mile Road | 4:45.85 | Gateshead (GBR) | 17.09.2011 | | 10 km Road | 32:40 | Cape Elizabeth, ME (USA) | 04.08.2012 | | 20 km Road | 1:12:24 | New Haven, CT (USA) | 05.09.2011 | | 4x1500m | 17:54.50 | Philadelphia, PA (USA) | 28.04.2006 |
| Season's BestsNo season's bests available. |
World RankingsNot ranked currently. | | Year | Result | Venue | Date |
|---|
| 2003 | 2:12.80 | Durham, NC (USA) | 08.05.2003 | | 2004 | 2:13.16 | Raleigh, NC (USA) | 27.03.2004 |
| Year | Result | Venue | Date |
|---|
| 2003 | 4:27.78 | Atlanta, GA (USA) | 17.05.2003 | | 2004 | 4:19.66 | Atlanta, GA (USA) | 14.05.2004 | | 2005 | 4:20.03 | Atlanta, GA (USA) | 14.05.2005 | | 2006 | 4:19.83 | Durham, NC (USA) | 07.04.2006 | | 2007 | 4:18.25 | Chapel Hill, NC (USA) | 11.05.2007 | | 2008 | 4:15.47 | Los Angeles, CA (USA) | 07.06.2008 | | 2011 | 4:17.65 | Hayward Field, Eugene, OR (USA) | 23.06.2011 | | 2012 | 4:07.23 | Los Angeles, CA (USA) | 18.05.2012 | | 2013 | 4:05.89 | Los Angeles, CA (USA) | 17.05.2013 |
| Year | Result | Venue | Date |
|---|
| 2011 | 4:35.69 | Nashville, TN (USA) | 04.06.2011 |
| Year | Result | Venue | Date |
|---|
| 2004 | 9:26.78 | Philadelphia, PA (USA) | 22.04.2004 | | 2010 | 9:44.45 | Eugene, OR (USA) | 20.03.2010 | | 2012 | 9:14.44 | Eugene, OR (USA) | 05.05.2012 | | 2013 | 9:21.91 | Eugene, OR (USA) | 16.03.2013 |
| Year | Result | Venue | Date |
|---|
| 2003 | 16:48.63 | Philadelphia, PA (USA) | 24.04.2003 | | 2004 | 16:14.82 | Palo Alto, CA (USA) | 30.04.2004 | | 2005 | 15:50.96 | New York, NY (USA) | 27.05.2005 | | 2006 | 16:02.01 | Greensboro, NC (USA) | 26.05.2006 | | 2007 | 15:52.08 | Sacramento, CA (USA) | 08.06.2007 | | 2008 | 15:33.05 | Walnut, CA (USA) | 18.04.2008 | | 2011 | 16:02.23 | Portland, OR (USA) | 11.06.2011 | | 2012 | 15:08.52 | Palo Alto, CA (USA) | 29.04.2012 | | 2013 | 15:23.77 | Palo Alto, CA (USA) | 28.04.2013 |
| Year | Result | Venue | Date |
|---|
| 2007 | 33:11.23 | College Park, MD (USA) | 19.04.2007 |
| Year | Result | Venue | Date |
|---|
| 2011 | 4:45.85 | Gateshead (GBR) | 17.09.2011 |
| Year | Result | Venue | Date |
|---|
| 2011 | 33:39 | Boston, MA (USA) | 10.10.2011 | | 2012 | 32:40 | Cape Elizabeth, ME (USA) | 04.08.2012 |
| Year | Result | Venue | Date |
|---|
| 2011 | 1:12:24 | New Haven, CT (USA) | 05.09.2011 |
|
