Personal Bests| Event | Result | Venue | Date |
|---|
| 1500m | 3:42.99 | Palo Alto, CA (USA) | 10.05.2002 | | 3000m | 7:39.03 | EIS Don Valley Stadium, Sheffield (GBR) | 15.07.2007 | | 3000m ind. | 8:01.18 | Lincoln, NE (USA) | 28.02.2004 | | 2 Miles | 8:11.74 | Eugene, OR (USA) | 10.06.2007 | | 5000m | 12:56.27 | Letzigrund, Zürich (SUI) | 28.08.2009 | | 5000m ind. | 13:42.09 | Fayetteville, AR (USA) | 12.03.2004 | | 10,000m | 27:22.28 | Olympiastadion, Berlin (GER) | 17.08.2009 | | 5 km Road | 13:48 | Carlsbad, CA (USA) | 03.04.2005 | | 10 km Road | 28:06 | Manchester (GBR) | 28.05.2017 | | 10 Miles Road | 46:53 | St. Paul (USA) | 04.10.2015 | | 20 km Road | 59:27 | New Haven, CT (USA) | 07.09.2015 | | Half Marathon | 1:00:00 | Birmingham (GBR) | 11.10.2009 | | Marathon | 2:07:47 | Chicago, IL (USA) | 07.10.2012 |
| Season's BestsNo season's bests available. |
World RankingsNot ranked currently. | | Year | Result | Venue | Date |
|---|
| 2002 | 3:42.99 | Palo Alto, CA (USA) | 10.05.2002 | | 2003 | 3:46.88 | Eugene, OR (USA) | 12.04.2003 | | 2004 | 3:43.15 | Walnut, CA (USA) | 18.04.2004 |
| Year | Result | Venue | Date |
|---|
| 2001 | 8:08.78 | Raleigh, NC (USA) | 15.06.2001 | | 2003 | 8:14.96 | Eugene, OR (USA) | 12.04.2003 | | 2004 | 7:50.39 | Eugene, OR (USA) | 10.04.2004 | | 2005 | 7:43.95 | Carson, CA (USA) | 22.05.2005 | | 2007 | 7:39.03 | EIS Don Valley Stadium, Sheffield (GBR) | 15.07.2007 | | 2013 | 7:44.68 | Olympic Stadium, London (GBR) | 27.07.2013 |
| Year | Result | Venue | Date |
|---|
| 2001 | 8:44.43 | Raleigh, NC (USA) | 15.06.2001 | | 2005 | 8:23.45 | Eugene, OR (USA) | 04.06.2005 | | 2007 | 8:11.74 | Eugene, OR (USA) | 10.06.2007 |
| Year | Result | Venue | Date |
|---|
| 2001 | 13:44.70 | Eugene, OR (USA) | 22.06.2001 | | 2002 | 13:27.77 | Palo Alto, CA (USA) | 03.05.2002 | | 2003 | 13:39.17 | Walnut, CA (USA) | 17.04.2003 | | 2004 | 13:52.13 | Austin, TX (USA) | 12.06.2004 | | 2005 | 13:22.23 | Eugene, OR (USA) | 07.05.2005 | | 2006 | 13:16.61 | Indianapolis, IN (USA) | 23.06.2006 | | 2007 | 13:16.06 | Brasschaat (BEL) | 21.07.2007 | | 2009 | 12:56.27 | Letzigrund, Zürich (SUI) | 28.08.2009 | | 2012 | 13:14.72 | Los Angeles, CA (USA) | 18.05.2012 | | 2013 | 13:09.53 | Hayward Field, Eugene, OR (USA) | 01.06.2013 |
| Year | Result | Venue | Date |
|---|
| 2004 | 27:38.50 | Palo Alto, CA (USA) | 30.04.2004 | | 2006 | 27:35.65 | Palo Alto, CA (USA) | 30.04.2006 | | 2007 | 28:28.59 | Yanmar Stadium Nagai, Osaka (JPN) | 27.08.2007 | | 2008 | 28:05.31 | Eugene, OR (USA) | 04.07.2008 | | 2009 | 27:22.28 | Olympiastadion, Berlin (GER) | 17.08.2009 | | 2012 | 27:36.09 | Hayward Field, Eugene, OR (USA) | 22.06.2012 | | 2013 | 27:37.90 | Luzhniki Stadion, Moskva (RUS) | 10.08.2013 |
| Year | Result | Venue | Date |
|---|
| 2005 | 13:48 | Carlsbad, CA (USA) | 03.04.2005 | | 2011 | 13:49 | San José, CA (USA) | 24.11.2011 | | 2015 | 14:03 | Providence, RI (USA) | 20.09.2015 | | 2018 | 14:10 | New York, NY (USA) | 03.11.2018 |
| Year | Result | Venue | Date |
|---|
| 2004 | 28:25 | Bolzano (ITA) | 31.12.2004 | | 2005 | 28:11 | Mobile, AL (USA) | 05.11.2005 | | 2007 | 28:08 | New York, NY (USA) | 19.05.2007 | | 2016 | 28:12 | Boston, MA (USA) | 26.06.2016 | | 2017 | 28:06 | Manchester (GBR) | 28.05.2017 |
| Year | Result | Venue | Date |
|---|
| 2014 | 49:11 | Flint, MI (USA) | 23.08.2014 | | 2015 | 46:53 | St. Paul (USA) | 04.10.2015 | | 2016 | 47:24 | Flint, MI (USA) | 27.08.2016 | | 2017 | 47:31 | Flint, MI (USA) | 26.08.2017 | | 2019 | 47:19 | Flint, MI (USA) | 24.08.2019 |
| Year | Result | Venue | Date |
|---|
| 2009 | 56:48 | Birmingham (GBR) | 11.10.2009 | | 2015 | 59:27 | New Haven, CT (USA) | 07.09.2015 |
| Year | Result | Venue | Date |
|---|
| 2008 | 1:01:38 | New York, NY (USA) | 28.07.2008 | | 2009 | 1:00:00 | Birmingham (GBR) | 11.10.2009 | | 2012 | 1:00:57 | Philadelphia, PA (USA) | 16.09.2012 | | 2013 | 1:01:10 | New York, NY (USA) | 17.03.2013 | | 2015 | 1:02:07 | New York, NY (USA) | 15.03.2015 |
No progression. | Year | Result | Venue | Date |
|---|
| 2006 | 2:14:01 | New York, NY (USA) | 05.11.2006 | | 2007 | 2:11:07 | New York, NY (USA) | 03.11.2007 | | 2008 | 2:11:59 | National Stadium, Beijing (CHN) | 24.08.2008 | | 2009 | 2:10:00 | London (GBR) | 26.04.2009 | | 2010 | 2:12:33 | New York, NY (USA) | 07.11.2010 | | 2012 | 2:07:47 | Chicago, IL (USA) | 07.10.2012 | | 2013 | 2:09:45 | Chicago, IL (USA) | 13.10.2013 |
No progression. No progression. |
