Personal Bests| Event | Result | Venue | Date |
|---|
| 800m | 2:09.28 | Chapel Hill, NC (USA) | 11.05.2002 | | 800m ind. | 2:13.00 | Blacksburg, VA (USA) | 03.02.2001 | | 1500m | 4:05.86 | Eugene, OR (USA) | 10.06.2007 | | 1500m ind. | 4:13.55 | Boston, MA (USA) | 31.01.2004 | | Mile | 4:48.47 | Raleigh, NC (USA) | 17.06.2000 | | Mile ind. | 4:37.41 | Blacksburg, VA (USA) | 17.02.2001 | | 3000m | 8:35.34 | Stade Louis II, Monaco (MON) | 25.07.2007 | | 3000m ind. | 8:33.25 | Boston, MA (USA) | 27.01.2007 | | 5000m | 14:44.80 | Walnut, CA (USA) | 13.04.2007 | | 5000m ind. | 14:47.62 | Boston, MA (USA) | 07.02.2009 | | 10,000m | 30:22.22 | National Stadium, Beijing (CHN) | 15.08.2008 | | 5 km Road | 15:17 | Providence, RI (USA) | 20.09.2015 | | 10 km Road | 30:52 | Boston, MA (USA) | 26.06.2016 | | 12 km Road | 37:58 | Alexandria, VA (USA) | 17.11.2013 | | 15 km Road | 47:00 | Jacksonville, FL (USA) | 15.03.2014 | | Half Marathon | 1:08:31 | New Orleans, LA (USA) | 24.02.2013 | | Marathon | 2:21:14 | Berlin (GER) | 28.09.2014 | | 4x800m | 8:26.71 | Philadelphia, PA (USA) | 26.04.2003 | | 4x1500m | 17:20.18 | Philadelphia, PA (USA) | 25.04.2003 |
| Season's BestsNo season's bests available. |
World RankingsNot ranked currently. | | Year | Result | Venue | Date |
|---|
| 2001 | 2:10.47 | Atlanta, GA (USA) | 19.05.2001 | | 2002 | 2:09.28 | Chapel Hill, NC (USA) | 11.05.2002 | | 2003 | 2:09.36 | Atlanta, GA (USA) | 17.05.2003 |
| Year | Result | Venue | Date |
|---|
| 2001 | 4:18.12 | Orlando, FL (USA) | 21.04.2001 | | 2002 | 4:15.37 | Atlanta, GA (USA) | 17.05.2002 | | 2003 | 4:11.60 | Atlanta, GA (USA) | 17.05.2003 | | 2004 | 4:09.27 | Eugene, OR (USA) | 19.06.2004 | | 2005 | 4:22.07 | Eugene, OR (USA) | 04.06.2005 | | 2007 | 4:05.86 | Eugene, OR (USA) | 10.06.2007 | | 2009 | 4:06.91 | Eugene, OR (USA) | 07.06.2009 | | 2010 | 4:06.44 | Icahn Stadium, New York, NY (USA) | 12.06.2010 | | 2011 | 4:06.63 | Stade Louis II, Monaco (MON) | 22.07.2011 |
| Year | Result | Venue | Date |
|---|
| 1999 | 4:50.53 | Brunswick, ME (USA) | 03.07.1999 | | 2000 | 4:48.47 | Raleigh, NC (USA) | 17.06.2000 |
| Year | Result | Venue | Date |
|---|
| 2001 | 9:44.75 | Chapel Hill, NC (USA) | 24.03.2001 | | 2002 | 9:13.51 | Durham, NC (USA) | 05.04.2002 | | 2004 | 8:55.05 | Durham, NC (USA) | 03.04.2004 | | 2005 | 8:54.43 | New York, NY (USA) | 11.06.2005 | | 2007 | 8:35.34 | Stade Louis II, Monaco (MON) | 25.07.2007 |
| Year | Result | Venue | Date |
|---|
| 2001 | 16:29.68 | Orlando, FL (USA) | 21.04.2001 | | 2003 | 15:20.54 | Palo Alto, CA (USA) | 20.06.2003 | | 2004 | 15:05.08 | Waltham, MA (USA) | 29.05.2004 | | 2005 | 15:10.96 | Carson, CA (USA) | 23.06.2005 | | 2007 | 14:44.80 | Walnut, CA (USA) | 13.04.2007 | | 2008 | 14:59.69 | National Stadium, Beijing (CHN) | 19.08.2008 | | 2009 | 15:10.86 | Carson, CA (USA) | 16.05.2009 | | 2010 | 14:49.08 | Hayward Field, Eugene, OR (USA) | 03.07.2010 | | 2011 | 14:45.20 | Stade de France, Paris-St-Denis (FRA) | 08.07.2011 | | 2015 | 15:10.02 | Hayward Field, Eugene, OR (USA) | 28.06.2015 | | 2017 | 14:58.99 | Heusden-Zolder (BEL) | 22.07.2017 |
| Year | Result | Venue | Date |
|---|
| 2008 | 30:22.22 | National Stadium, Beijing (CHN) | 15.08.2008 | | 2009 | 31:23.43 | Eugene, OR (USA) | 25.06.2009 | | 2011 | 30:39.57 | Palo Alto, CA (USA) | 01.05.2011 | | 2012 | 31:59.69 | Hayward Field, Eugene, OR (USA) | 22.06.2012 | | 2013 | 31:04.85 | Palo Alto, CA (USA) | 29.03.2013 | | 2015 | 31:09.02 | Palo Alto, CA (USA) | 03.04.2015 | | 2017 | 31:31.12 | Sacramento, CA (USA) | 22.06.2017 |
| Year | Result | Venue | Date |
|---|
| 2007 | 15:26 | Providence, RI (USA) | 16.09.2007 | | 2008 | 15:29 | Providence, RI (USA) | 21.09.2008 | | 2015 | 15:17 | Providence, RI (USA) | 20.09.2015 |
| Year | Result | Venue | Date |
|---|
| 2009 | 32:25 | San Juan (PUR) | 01.03.2009 | | 2012 | 32:20 | San Juan (PUR) | 26.02.2012 | | 2014 | 31:27 | Cape Elizabeth, ME (USA) | 02.08.2014 | | 2015 | 31:03 | Tilburg (NED) | 06.09.2015 | | 2016 | 30:52 | Boston, MA (USA) | 26.06.2016 | | 2017 | 31:15 | Cape Elizabeth, ME (USA) | 05.08.2017 |
| Year | Result | Venue | Date |
|---|
| 2013 | 37:58 | Alexandria, VA (USA) | 17.11.2013 |
| Year | Result | Venue | Date |
|---|
| 2014 | 47:00 | Jacksonville, FL (USA) | 15.03.2014 |
| Year | Result | Venue | Date |
|---|
| 2010 | 1:08:37 | Philadelphia, PA (USA) | 19.09.2010 | | 2011 | 1:10:49 | San Antonio, TX (USA) | 13.11.2011 | | 2012 | 1:08:52 | Lisboa (POR) | 25.03.2012 | | 2013 | 1:08:31 | New Orleans, LA (USA) | 24.02.2013 | | 2014 | 1:09:44 | Chicago, IL (USA) | 20.07.2014 | | 2015 | 1:12:42 | San Antonio, TX (USA) | 06.12.2015 |
| Year | Result | Venue | Date |
|---|
| 2010 | 2:28:40 | New York, NY (USA) | 07.11.2010 | | 2012 | 2:25:38 | Houston, TX (USA) | 14.01.2012 | | 2014 | 2:21:14 | Berlin (GER) | 28.09.2014 | | 2016 | 2:25:26 | Estádio Olímpico, Rio de Janeiro (BRA) | 14.08.2016 | | 2017 | 2:26:53 | New York, NY (USA) | 05.11.2017 | | 2018 | 2:26:22 | New York, NY (USA) | 04.11.2018 | | 2021 | 2:33:34 | New York, NY (USA) | 07.11.2021 |
No progression. No progression. No progression. | Year | Result | Venue | Date |
|---|
| 2001 | 8:29.77 | Philadelphia, PA (USA) | 28.04.2001 | | 2003 | 8:26.71 | Philadelphia, PA (USA) | 26.04.2003 |
| Year | Result | Venue | Date |
|---|
| 2002 | 17:33.67 | Philadelphia, PA (USA) | 26.04.2002 | | 2003 | 17:20.18 | Philadelphia, PA (USA) | 25.04.2003 |
|
