Personal Bests| Event | Result | Venue | Date |
|---|
| 1500m | 3:42.73 | Eugene, OR (USA) | 28.05.2010 | | Mile | 4:01.14 | Falmouth, MA (USA) | 09.08.2008 | | 3000m | 7:48.87 | Crystal Palace, London (GBR) | 26.07.2008 | | 3000m ind. | 8:10.29 | Bloomington, IN (USA) | 24.02.2007 | | 5000m | 13:20.33 | Heusden-Zolder (BEL) | 10.07.2010 | | 5000m ind. | 13:48.08 | Fayetteville, AR (USA) | 09.03.2007 | | 10,000m | 27:28.19 | Palo Alto, CA (USA) | 01.05.2011 | | 15 km Road | 43:37 | Jacksonville, FL (USA) | 14.03.2009 | | 20 km Road | 1:00:48 | New Haven, CT (USA) | 03.09.2012 | | Half Marathon | 1:02:11 | Houston, TX (USA) | 17.01.2010 | | Marathon | 2:14:09 | Fukuoka (JPN) | 02.12.2012 |
| Season's BestsNo season's bests available. |
World RankingsNot ranked currently. | | Year | Result | Venue | Date |
|---|
| 2007 | 3:42.78 | Oordegem (BEL) | 07.07.2007 | | 2008 | 3:43.34 | Amsterdam (NED) | 02.08.2008 | | 2010 | 3:42.73 | Eugene, OR (USA) | 28.05.2010 |
| Year | Result | Venue | Date |
|---|
| 2008 | 4:01.14 | Falmouth, MA (USA) | 09.08.2008 |
| Year | Result | Venue | Date |
|---|
| 2007 | 7:53.00 | Gent (BEL) | 15.07.2007 | | 2008 | 7:48.87 | Crystal Palace, London (GBR) | 26.07.2008 |
| Year | Result | Venue | Date |
|---|
| 2002 | 14:36.27 | Palo Alto, CA (USA) | 22.06.2002 | | 2004 | 14:03.20 | Eugene, OR (USA) | 24.04.2004 | | 2005 | 14:08.40 | Carson, CA (USA) | 24.06.2005 | | 2006 | 14:21.59 | Indianapolis, IN (USA) | 23.06.2006 | | 2007 | 13:55.24 | Heusden-Zolder (BEL) | 28.07.2007 | | 2008 | 13:34.93 | Portland, OR (USA) | 31.05.2008 | | 2009 | 13:24.87 | Heusden-Zolder (BEL) | 18.07.2009 | | 2010 | 13:20.33 | Heusden-Zolder (BEL) | 10.07.2010 | | 2011 | 13:28.09 | Olympic Park, Melbourne (AUS) | 03.03.2011 | | 2012 | 13:57.02 | Walnut, CA (USA) | 20.04.2012 |
| Year | Result | Venue | Date |
|---|
| 2004 | 29:11.33 | Palo Alto, CA (USA) | 26.03.2004 | | 2005 | 28:45.32 | Palo Alto, CA (USA) | 25.03.2005 | | 2006 | 28:49.98 | Eugene, OR (USA) | 21.04.2006 | | 2007 | 28:04.46 | Palo Alto, CA (USA) | 29.04.2007 | | 2008 | 28:29.95 | Eugene, OR (USA) | 04.07.2008 | | 2009 | 27:36.99 | Palo Alto, CA (USA) | 02.05.2009 | | 2010 | 27:31.56 | Palo Alto, CA (USA) | 01.05.2010 | | 2011 | 27:28.19 | Palo Alto, CA (USA) | 01.05.2011 | | 2012 | 28:15.11 | Hayward Field, Eugene, OR (USA) | 22.06.2012 |
| Year | Result | Venue | Date |
|---|
| 2009 | 43:37 | Jacksonville, FL (USA) | 14.03.2009 | | 2010 | 43:52 | Jacksonville, FL (USA) | 13.03.2010 |
| Year | Result | Venue | Date |
|---|
| 2012 | 48:53 | St. Paul (USA) | 07.10.2012 |
| Year | Result | Venue | Date |
|---|
| 2012 | 1:00:48 | New Haven, CT (USA) | 03.09.2012 |
| Year | Result | Venue | Date |
|---|
| 2010 | 1:02:11 | Houston, TX (USA) | 17.01.2010 | | 2011 | 1:05:25 | San Antonio, TX (USA) | 13.11.2011 |
| Year | Result | Venue | Date |
|---|
| 2010 | 2:15:06 | New York, NY (USA) | 07.11.2010 | | 2012 | 2:14:09 | Fukuoka (JPN) | 02.12.2012 |
|
