Personal Bests| Event | Result | Venue | Date |
|---|
| 800m | 1:43.84 | Heusden-Zolder (BEL) | 28.07.2007 | | 800m ind. | 1:51.91 | Blacksburg, VA (USA) | 03.02.2012 | | 1000m | 2:20.32 | New York, NY (USA) | 11.06.2005 | | 1000m ind. | 2:23.61 | Fairfax, VA (USA) | 23.02.2003 | | 1500m | 3:30.54 | Stade de France, Paris-St-Denis (FRA) | 06.07.2007 | | 1500m ind. | 3:44.45 | Boston, MA (USA) | 01.03.2003 | | Mile | 3:46.91 | Brasschaat (BEL) | 21.07.2007 | | Mile ind. | 3:55.18 | Boston, MA (USA) | 27.01.2007 | | 3000m ind. | 7:47.19 | Boston, MA (USA) | 28.01.2005 | | 2 Miles | 8:11.48 | Eugene, OR (USA) | 04.06.2005 | | 5000m | 13:10.86 | Olympiastadion, Berlin (GER) | 04.09.2005 | | 10,000m | 27:34.72 | Palo Alto, CA (USA) | 30.04.2006 | | 5 km Road | 13:36 | San José (USA) | 25.11.2010 |
| Season's BestsNo season's bests available. |
World RankingsNot ranked currently. | | Year | Result | Venue | Date |
|---|
| 2001 | 1:47.74 | Richmond, VA (USA) | 02.06.2001 | | 2002 | 1:49.46 | Columbus, OH (USA) | 05.05.2002 | | 2003 | 1:49.36 | Waltham, MA (USA) | 07.06.2003 | | 2004 | 1:46.09 | Malmö (SWE) | 02.08.2004 | | 2005 | 1:47.13 | Malmö (SWE) | 16.08.2005 | | 2006 | 1:50.83 | Glasgow (GBR) | 13.08.2006 | | 2007 | 1:43.84 | Heusden-Zolder (BEL) | 28.07.2007 | | 2008 | 1:46.89 | Naimette-Xhovémont (BEL) | 16.07.2008 | | 2010 | 1:48.34 | Padova (ITA) | 03.09.2010 | | 2011 | 1:52.2h | Wellington (NZL) | 26.02.2011 | | 2012 | 1:51.05 | Durham, NC (USA) | 06.05.2012 |
| Year | Result | Venue | Date |
|---|
| 2005 | 2:20.32 | New York, NY (USA) | 11.06.2005 |
| Year | Result | Venue | Date |
|---|
| 2001 | 3:38.26 | Eugene, OR (USA) | 27.05.2001 | | 2002 | 3:41.46 | Ann Arbor, MI (USA) | 10.05.2002 | | 2003 | 3:47.35 | Palo Alto, CA (USA) | 22.06.2003 | | 2004 | 3:32.73 | Ostrava (CZE) | 08.06.2004 | | 2005 | 3:32.52 | Rieti (ITA) | 28.08.2005 | | 2006 | 3:46.14 | Oordegem (BEL) | 01.07.2006 | | 2007 | 3:30.54 | Stade de France, Paris-St-Denis (FRA) | 06.07.2007 | | 2008 | 3:35.86 | Heusden-Zolder (BEL) | 20.07.2008 | | 2009 | 3:42.35 | Eugene, OR (USA) | 25.06.2009 | | 2010 | 3:36.21 | Milano (ITA) | 09.09.2010 | | 2011 | 3:37.82 | Olympic Park, Melbourne (AUS) | 03.03.2011 | | 2012 | 3:37.26 | Los Angeles, CA (USA) | 18.05.2012 | | 2013 | 3:42.88 | Indianapolis, IN (USA) | 15.06.2013 |
| Year | Result | Venue | Date |
|---|
| 1999 | 4:06.94 | Raleigh, NC (USA) | 12.06.1999 | | 2000 | 4:03.33 | Charlotte, NC (USA) | 20.05.2000 | | 2001 | 3:53.43 | Eugene, OR (USA) | 27.05.2001 | | 2003 | 3:58.84 | Eugene, OR (USA) | 24.05.2003 | | 2004 | 3:50.73 | Crystal Palace, London (GBR) | 30.07.2004 | | 2005 | 3:48.92 | Oslo (NOR) | 29.07.2005 | | 2006 | 4:00.87 | Eugene, OR (USA) | 28.05.2006 | | 2007 | 3:46.91 | Brasschaat (BEL) | 21.07.2007 | | 2008 | 3:55.47 | Eugene, OR (USA) | 08.06.2008 | | 2009 | 3:55.99 | Eugene, OR (USA) | 07.06.2009 | | 2011 | 3:58.77 | Des Moines, IA (USA) | 30.04.2011 | | 2012 | 3:59.47 | Hayward Field, Eugene, OR (USA) | 01.06.2012 |
| Year | Result | Venue | Date |
|---|
| 2005 | 8:11.48 | Eugene, OR (USA) | 04.06.2005 | | 2006 | 8:33.92 | Carson, CA (USA) | 21.05.2006 | | 2007 | 8:23.97 | Eugene, OR (USA) | 10.06.2007 |
| Year | Result | Venue | Date |
|---|
| 2003 | 14:06.56 | Raleigh, NC (USA) | 28.03.2003 | | 2004 | 13:46.31 | Philadelphia, PA (USA) | 22.04.2004 | | 2005 | 13:10.86 | Olympiastadion, Berlin (GER) | 04.09.2005 | | 2010 | 14:15.49 | Merksem (BEL) | 28.08.2010 | | 2012 | 13:49.70 | Palo Alto, CA (USA) | 29.04.2012 | | 2013 | 13:37.68 | Palo Alto, CA (USA) | 28.04.2013 |
| Year | Result | Venue | Date |
|---|
| 2006 | 27:34.72 | Palo Alto, CA (USA) | 30.04.2006 |
No progression. | Year | Result | Venue | Date |
|---|
| 2010 | 13:36 | San José (USA) | 25.11.2010 | | 2012 | 14:14 | Providence, RI (USA) | 16.09.2012 | | 2013 | 13:57 | San José (USA) | 28.11.2013 |
| Year | Result | Venue | Date |
|---|
| 2012 | 49:23 | St. Paul (USA) | 07.10.2012 |
|
