Personal Bests| Event | Result | Venue | Date |
|---|
| 800m | 2:07.62 | Palo Alto, CA (USA) | 27.03.2009 | | 1500m | 4:09.52 | Carson, CA (USA) | 20.05.2007 | | 1500m ind. | 4:22.16 | Boston, MA (USA) | 01.03.2009 | | Mile ind. | 4:33.42 | New York, NY (USA) | 18.01.2008 | | 2000m | 5:51.69 | Eugene, OR (USA) | 07.06.2009 | | 3000m | 8:35.03 | Stade Louis II, Monaco (MON) | 25.07.2007 | | 3000m ind. | 8:59.98 | Boston, MA (USA) | 24.02.2008 | | 2 Miles | 9:59.07 | Walnut, CA (USA) | 19.04.2002 | | 2 Miles ind. | 9:35.29 | Boston, MA (USA) | 26.01.2008 | | 5000m | 14:54.29 | Bislett Stadion, Oslo (NOR) | 06.06.2008 | | 5000m ind. | 15:27.87 | Boston, MA (USA) | 07.02.2009 | | 10,000m | 31:17.31 | Palo Alto, CA (USA) | 29.04.2007 | | 5 km Road | 15:21 | Carlsbad, CA (USA) | 01.04.2007 | | 10 km Road | 32:16 | Boston, MA (USA) | 11.10.2010 | | 12 km Road | 40:04 | Alexandria, VA (USA) | 15.11.2015 | | 15 km Road | 48:58 | Jacksonville, FL (USA) | 10.03.2007 | | 10 Miles Road | 54:38 | Washington, DC (USA) | 06.04.2014 | | Half Marathon | 1:11:14 | Houston, TX (USA) | 29.01.2011 | | Marathon | 2:29:32 | Roma (ITA) | 26.03.2006 | | 4x800m | 8:25.22 | Philadelphia, PA (USA) | 30.04.1994 | | 4x1500m | 17:33.79 | Philadelphia, PA (USA) | 28.04.1995 |
| Season's BestsNo season's bests available. |
World RankingsNot ranked currently. | | Year | Result | Venue | Date |
|---|
| 2009 | 2:07.62 | Palo Alto, CA (USA) | 27.03.2009 | | 2010 | 2:12.66 | Walnut, CA (USA) | 06.06.2010 |
| Year | Result | Venue | Date |
|---|
| 1998 | 4:21.90 | Sherbrooke (CAN) | 07.07.1998 | | 1999 | 4:18.76 | Fairfax, VA (USA) | 08.05.1999 | | 2000 | 4:17.30 | Hechtel (BEL) | 05.08.2000 | | 2001 | 4:27.32 | Cork City (IRL) | 07.07.2001 | | 2002 | 4:15.57 | Cork (IRL) | 06.07.2002 | | 2006 | 4:21.18 | Oordegem (BEL) | 01.07.2006 | | 2007 | 4:09.52 | Carson, CA (USA) | 20.05.2007 | | 2008 | 4:17.17 | Santa Monica, CA (USA) | 24.05.2008 | | 2009 | 4:15.43 | Palo Alto, CA (USA) | 02.05.2009 | | 2010 | 4:26.94 | Palo Alto, CA (USA) | 01.05.2010 | | 2011 | 4:19.83 | Nijmegen (NED) | 25.05.2011 | | 2016 | 4:28.14 | Waltham, MA (USA) | 04.06.2016 |
| Year | Result | Venue | Date |
|---|
| 2009 | 5:51.69 | Eugene, OR (USA) | 07.06.2009 |
| Year | Result | Venue | Date |
|---|
| 1997 | 9:15.21 | Eugene, OR (USA) | 25.05.1997 | | 1999 | 9:01.16 | Lappeenranta (FIN) | 25.07.1999 | | 2000 | 8:50.72 | Linz (AUT) | 08.08.2000 | | 2001 | 8:55.28 | Portland, OR (USA) | 03.06.2001 | | 2002 | 9:05.90 | Sheffield (GBR) | 30.06.2002 | | 2003 | 9:06.77 | Brunswick, ME (USA) | 05.07.2003 | | 2005 | 8:56.07 | New York, NY (USA) | 11.06.2005 | | 2006 | 9:09.30 | Luzern (SUI) | 06.07.2006 | | 2007 | 8:35.03 | Stade Louis II, Monaco (MON) | 25.07.2007 | | 2008 | 8:51.29 | Stade Louis II, Monaco (MON) | 29.07.2008 | | 2009 | 9:02.08 | International Stadium, Gateshead (GBR) | 31.08.2009 | | 2010 | 9:09.46 | Berkeley, CA (USA) | 23.04.2010 |
| Year | Result | Venue | Date |
|---|
| 2002 | 9:59.07 | Walnut, CA (USA) | 19.04.2002 |
| Year | Result | Venue | Date |
|---|
| 1995 | 15:49.83 | Walnut, CA (USA) | 14.04.1995 | | 1996 | 16:05.85 | Eugene, OR (USA) | 31.05.1996 | | 1997 | 15:57.46 | Philadelphia, PA (USA) | 24.04.1997 | | 1998 | 15:26.88 | Montréal (CAN) | 10.07.1998 | | 1999 | 15:25.52 | Stockholm (SWE) | 30.07.1999 | | 2000 | 15:19.88 | Stockholm (SWE) | 01.08.2000 | | 2001 | 15:13.26 | Oslo (NOR) | 13.07.2001 | | 2002 | 15:13.44 | Stockholm (SWE) | 16.07.2002 | | 2004 | 15:19.15 | Sacramento, CA (USA) | 12.07.2004 | | 2005 | 15:12.39 | Stockholm (SWE) | 26.07.2005 | | 2006 | 14:55.18 | Boudewijnstadion, Bruxelles (BEL) | 25.08.2006 | | 2007 | 14:58.51 | Stadio Olimpico, Roma (ITA) | 13.07.2007 | | 2008 | 14:54.29 | Bislett Stadion, Oslo (NOR) | 06.06.2008 | | 2009 | 15:07.78 | Stockholm (SWE) | 31.07.2009 | | 2010 | 15:22.05 | Hayward Field, Eugene, OR (USA) | 03.07.2010 | | 2011 | 15:10.44 | Crystal Palace, London (GBR) | 06.08.2011 | | 2012 | 15:41.31 | Palo Alto, CA (USA) | 29.04.2012 | | 2013 | 16:10.81 | Palo Alto, CA (USA) | 28.04.2013 | | 2016 | 15:45.94 | Palo Alto, CA (USA) | 01.05.2016 |
| Year | Result | Venue | Date |
|---|
| 1996 | 33:15.88 | Raleigh, NC (USA) | 29.03.1996 | | 1997 | 33:17.26 | Indianapolis, IN (USA) | 13.06.1997 | | 1998 | 33:44.19 | New York, NY (USA) | 22.07.1998 | | 1999 | 32:29.67 | Eugene, OR (USA) | 26.06.1999 | | 2000 | 31:58.34 | Sacramento, CA (USA) | 14.07.2000 | | 2001 | 32:20.03 | Eugene, OR (USA) | 23.06.2001 | | 2002 | 31:41.16 | Palo Alto, CA (USA) | 03.05.2002 | | 2005 | 31:26.66 | Olympiastadion, Helsinki (FIN) | 06.08.2005 | | 2006 | 31:24.16 | Helsinki (FIN) | 26.07.2006 | | 2007 | 31:17.31 | Palo Alto, CA (USA) | 29.04.2007 | | 2008 | 31:30.31 | Palo Alto, CA (USA) | 04.05.2008 | | 2011 | 31:30.37 | Hayward Field, Eugene, OR (USA) | 23.06.2011 | | 2015 | 33:05.03 | Sacramento, CA (USA) | 06.12.2015 |
| Year | Result | Venue | Date |
|---|
| 2007 | 15:21 | Carlsbad, CA (USA) | 01.04.2007 | | 2009 | 15:31 | Providence, RI (USA) | 20.09.2009 | | 2011 | 15:37 | Carlsbad, CA (USA) | 03.04.2011 | | 2014 | 16:00 | Providence, RI (USA) | 21.09.2014 | | 2016 | 15:53 | Carlsbad, CA (USA) | 03.04.2016 | | 2017 | 16:29 | Boston, MA (USA) | 15.04.2017 | | 2018 | 16:44 | Albany, NY (USA) | 02.06.2018 | | 2019 | 17:20 | Boston, MA (USA) | 13.04.2019 |
| Year | Result | Venue | Date |
|---|
| 1997 | 33:59 | Mobile, AL (USA) | 22.03.1997 | | 2001 | 33:15 | Mobile, AL (USA) | 03.11.2001 | | 2002 | 32:19 | New York, NY (USA) | 08.06.2002 | | 2003 | 32:22 | Cape Elizabeth, ME (USA) | 02.08.2003 | | 2004 | 32:44 | New York, NY (USA) | 12.06.2004 | | 2005 | 33:28 | Boulder, CO (USA) | 30.05.2005 | | 2006 | 32:39 | New York, NY (USA) | 10.06.2006 | | 2010 | 32:16 | Boston, MA (USA) | 11.10.2010 | | 2012 | 32:52 | Boston, MA (USA) | 08.10.2012 | | 2013 | 34:22 | Edinburgh (GBR) | 14.07.2013 | | 2014 | 32:33 | Boston, MA (USA) | 13.10.2014 | | 2015 | 35:42 | Boston, MA (USA) | 21.06.2015 | | 2016 | 33:21 | New Orleans, LA (USA) | 26.03.2016 | | 2017 | 35:16 | Charleston, SC (USA) | 02.04.2017 | | 2018 | 34:26 | New Orleans, LA (USA) | 01.04.2018 | | 2019 | 35:34 | New Orleans, LA (USA) | 20.04.2019 |
| Year | Result | Venue | Date |
|---|
| 2014 | 40:31 | Alexandria, VA (USA) | 16.11.2014 | | 2015 | 40:04 | Alexandria, VA (USA) | 15.11.2015 | | 2017 | 42:58 | Spokane, WA (USA) | 07.05.2017 | | 2018 | 43:15 | San Francisco, CA (USA) | 20.05.2018 |
| Year | Result | Venue | Date |
|---|
| 1997 | 51:39 | Utica, NY (USA) | 13.07.1997 | | 1998 | 51:00 | Jacksonville, FL (USA) | 07.03.1998 | | 1999 | 50:56 | Jacksonville, FL (USA) | 06.03.1999 | | 2000 | 50:06 | Jacksonville, FL (USA) | 04.03.2000 | | 2001 | 50:05 | Jacksonville, FL (USA) | 10.03.2001 | | 2002 | 49:22 | Jacksonville, FL (USA) | 09.03.2002 | | 2005 | 49:21 | Jacksonville, FL (USA) | 12.03.2005 | | 2006 | 49:47 | Jacksonville, FL (USA) | 11.03.2006 | | 2007 | 48:58 | Jacksonville, FL (USA) | 10.03.2007 | | 2010 | 50:27 | Jacksonville, FL (USA) | 13.03.2010 | | 2011 | 49:31 | Jacksonville, FL (USA) | 12.03.2011 | | 2013 | 52:24 | Jacksonville, FL (USA) | 09.03.2013 | | 2014 | 52:09 | Jacksonville, FL (USA) | 15.03.2014 | | 2015 | 51:36 | Jacksonville, FL (USA) | 15.03.2015 | | 2016 | 52:21 | Utica, NY (USA) | 10.07.2016 | | 2017 | 55:17 | Utica, NY (USA) | 09.07.2017 | | 2018 | 54:18 | Utica, NY (USA) | 08.07.2018 |
| Year | Result | Venue | Date |
|---|
| 1997 | 55:39 | Washington, DC (USA) | 13.04.1997 | | 2010 | 55:41 | St. Paul (USA) | 03.10.2010 | | 2013 | 54:54 | Washington, DC (USA) | 07.04.2013 | | 2014 | 54:38 | Washington, DC (USA) | 06.04.2014 |
| Year | Result | Venue | Date |
|---|
| 2002 | 1:18:25 | Virginia Beach, VA (USA) | 01.09.2002 | | 2003 | 1:11:45 | Philadelphia, PA (USA) | 21.09.2003 | | 2005 | 1:12:56 | Boston, MA (USA) | 09.10.2005 | | 2006 | 1:12:09 | San José (USA) | 08.10.2006 | | 2010 | 1:14:57 | Las Vegas, NV (USA) | 05.12.2010 | | 2011 | 1:11:14 | Houston, TX (USA) | 29.01.2011 | | 2012 | 1:14:05 | New York, NY (USA) | 15.04.2012 | | 2014 | 1:14:39 | Tampa, FL (USA) | 23.02.2014 | | 2015 | 1:12:35 | Tampa, FL (USA) | 22.02.2015 | | 2016 | 1:14:57 | Houston, TX (USA) | 17.01.2016 |
| Year | Result | Venue | Date |
|---|
| 2002 | 2:41:16 | Chicago, IL (USA) | 13.10.2002 | | 2003 | 2:43:01 | New York, NY (USA) | 02.11.2003 | | 2004 | 2:29:57 | St. Louis (USA) | 03.04.2004 | | 2005 | 2:37:07 | New York, NY (USA) | 06.11.2005 | | 2006 | 2:29:32 | Roma (ITA) | 26.03.2006 | | 2012 | 2:43:35 | Houston, TX (USA) | 14.01.2012 |
No progression. No progression. | Year | Result | Venue | Date |
|---|
| 1994 | 8:25.22 | Philadelphia, PA (USA) | 30.04.1994 |
| Year | Result | Venue | Date |
|---|
| 1994 | 17:37.51 | Philadelphia, PA (USA) | 29.04.1994 | | 1995 | 17:33.79 | Philadelphia, PA (USA) | 28.04.1995 | | 1996 | 17:48.29 | Philadelphia, PA (USA) | 26.04.1996 |
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