Personal Bests| Event | Result | Venue | Date |
|---|
| 800m | 2:06.79 | Beaverton, OR (USA) | 28.05.2009 | | 1500m | 4:05.14 | Rieti (ITA) | 27.08.2006 | | Mile | 4:37.58 | Beaverton, OR (USA) | 28.05.2009 | | Mile ind. | 4:33.19 | MSG, New York, NY (USA) | 30.01.2009 | | 2000m | 5:41.28 | Eugene, OR (USA) | 07.06.2009 | | 3000m | 8:34.99 | Stadio Guidobaldi, Rieti (ITA) | 09.09.2007 | | 3000m ind. | 8:46.65 | Boston, MA (USA) | 07.02.2009 | | 2 Miles | 9:41.32 | Carson, CA (USA) | 20.05.2007 | | 5000m | 14:55.02 | Olympiastadion, Berlin (GER) | 16.09.2007 | | 10,000m | 30:55.16 | National Stadium, Beijing (CHN) | 15.08.2008 | | 5 km Road | 15:58 | Providence, RI (USA) | 11.09.2005 | | 10 km Road | 32:46 | Boston, MA (USA) | 09.10.2006 | | 10 Miles Road | 54:54 | St. Paul (USA) | 04.10.2015 | | Half Marathon | 1:08:05 | Chicago, IL (USA) | 02.08.2009 | | Marathon | 2:26:06 | Houston, TX (USA) | 14.01.2012 | | 4x1500m | 17:37.21 | Philadelphia, PA (USA) | 24.04.1997 |
| Season's BestsNo season's bests available. |
World RankingsNot ranked currently. | | Year | Result | Venue | Date |
|---|
| 2007 | 2:08.60 | Eugene, OR (USA) | 07.04.2007 | | 2009 | 2:06.79 | Beaverton, OR (USA) | 28.05.2009 |
| Year | Result | Venue | Date |
|---|
| 1999 | 4:21.55 | Palo Alto, CA (USA) | 28.03.1999 | | 2000 | 4:12.15 | Columbia, MO (USA) | 21.05.2000 | | 2001 | 4:27.54 | College Station, TX (USA) | 19.05.2001 | | 2003 | 4:11.17 | Pyrgos (GRE) | 27.07.2003 | | 2004 | 4:16.48 | Eugene, OR (USA) | 19.06.2004 | | 2005 | 4:12.31 | Lignano (ITA) | 17.07.2005 | | 2006 | 4:05.14 | Rieti (ITA) | 27.08.2006 | | 2007 | 4:10.29 | Eugene, OR (USA) | 10.06.2007 | | 2008 | 4:06.17 | Burnaby (CAN) | 21.06.2008 | | 2009 | 4:09.77 | Burnaby (CAN) | 14.06.2009 | | 2011 | 4:11.88 | Burnaby (CAN) | 01.07.2011 |
| Year | Result | Venue | Date |
|---|
| 2009 | 4:37.58 | Beaverton, OR (USA) | 28.05.2009 |
| Year | Result | Venue | Date |
|---|
| 2009 | 5:41.28 | Eugene, OR (USA) | 07.06.2009 |
| Year | Result | Venue | Date |
|---|
| 1999 | 9:16.53 | Walnut, CA (USA) | 16.04.1999 | | 2000 | 8:54.82 | Palo Alto, CA (USA) | 05.05.2000 | | 2004 | 9:14.77 | Gresham, OR (USA) | 05.06.2004 | | 2005 | 9:30.61 | Eugene, OR (USA) | 07.05.2005 | | 2006 | 8:41.42 | Olympic Stadium, Athina (GRE) | 16.09.2006 | | 2007 | 8:34.99 | Stadio Guidobaldi, Rieti (ITA) | 09.09.2007 | | 2008 | 9:00.53 | Carson, CA (USA) | 18.05.2008 |
| Year | Result | Venue | Date |
|---|
| 2007 | 9:41.32 | Carson, CA (USA) | 20.05.2007 |
| Year | Result | Venue | Date |
|---|
| 1999 | 16:57.31 | Waco, TX (USA) | 23.05.1999 | | 2000 | 15:28.78 | Walnut, CA (USA) | 14.04.2000 | | 2001 | 15:41.77 | Eugene, OR (USA) | 24.06.2001 | | 2003 | 15:42.97 | Heusden-Zolder (BEL) | 02.08.2003 | | 2004 | 16:30.35 | Sacramento, CA (USA) | 09.07.2004 | | 2005 | 15:17.55 | Heusden-Zolder (BEL) | 23.07.2005 | | 2006 | 15:08.13 | Naimette-Xhovémont (BEL) | 19.07.2006 | | 2007 | 14:55.02 | Olympiastadion, Berlin (GER) | 16.09.2007 | | 2008 | 14:58.10 | Eugene, OR (USA) | 08.06.2008 | | 2009 | 15:20.94 | Eugene, OR (USA) | 26.06.2009 | | 2011 | 15:11.47 | Hayward Field, Eugene, OR (USA) | 03.06.2011 | | 2015 | 15:40.81 | Portland, OR (USA) | 13.06.2015 |
| Year | Result | Venue | Date |
|---|
| 2003 | 33:44.86 | Walnut, CA (USA) | 17.04.2003 | | 2006 | 31:17.12 | Helsinki (FIN) | 26.07.2006 | | 2007 | 32:02.05 | Yanmar Stadium Nagai, Osaka (JPN) | 25.08.2007 | | 2008 | 30:55.16 | National Stadium, Beijing (CHN) | 15.08.2008 | | 2011 | 31:16.65 | Hayward Field, Eugene, OR (USA) | 23.06.2011 | | 2013 | 31:46.64 | Palo Alto, CA (USA) | 29.03.2013 |
| Year | Result | Venue | Date |
|---|
| 2001 | 11:27.76 | College Station, TX (USA) | 19.05.2001 | | 2003 | 11:05.31 | Boulder, CO (USA) | 01.05.2003 |
| Year | Result | Venue | Date |
|---|
| 2005 | 15:58 | Providence, RI (USA) | 11.09.2005 |
| Year | Result | Venue | Date |
|---|
| 2006 | 32:46 | Boston, MA (USA) | 09.10.2006 |
| Year | Result | Venue | Date |
|---|
| 2008 | 53:16 | St. Paul (USA) | 05.10.2008 | | 2012 | 53:56 | St. Paul (USA) | 07.10.2012 | | 2015 | 54:54 | St. Paul (USA) | 04.10.2015 |
| Year | Result | Venue | Date |
|---|
| 2009 | 1:08:05 | Chicago, IL (USA) | 02.08.2009 | | 2011 | 1:14:02 | Tempe, AZ (USA) | 16.01.2011 | | 2012 | 1:09:46 | Duluth, MN (USA) | 16.06.2012 | | 2013 | 1:11:49 | New Orleans, LA (USA) | 24.02.2013 | | 2014 | 1:11:41 | Philadelphia, PA (USA) | 20.09.2014 | | 2015 | 1:11:10 | San Antonio, TX (USA) | 06.12.2015 | | 2017 | 1:15:14 | Duluth, MN (USA) | 17.06.2017 | | 2018 | 1:18:17 | Duluth, MN (USA) | 16.06.2018 |
| Year | Result | Venue | Date |
|---|
| 2008 | 2:25:53 | New York, NY (USA) | 02.11.2008 | | 2009 | 2:27:48 | Olympiastadion, Berlin (GER) | 23.08.2009 | | 2012 | 2:26:06 | Houston, TX (USA) | 14.01.2012 | | 2014 | 2:37:03 | New York, NY (USA) | 02.11.2014 | | 2016 | 2:30:30 | Los Angeles, CA (USA) | 13.02.2016 |
No progression. | Year | Result | Venue | Date |
|---|
| 1997 | 17:37.21 | Philadelphia, PA (USA) | 24.04.1997 | | 1999 | 18:02.36 | Philadelphia, PA (USA) | 23.04.1999 | | 2000 | 17:50.66 | Philadelphia, PA (USA) | 28.04.2000 |
|
