Personal Bests| Event | Result | Venue | Date |
|---|
| 1000m | 2:24.79 | Raleigh, NC (USA) | 07.06.2003 | | 1000m ind. | 2:23.73 | University Park, PA (USA) | 28.01.2006 | | 1500m | 3:40.25 | Swarthmore, PA (USA) | 13.05.2008 | | Mile | 3:57.20 | Swarthmore, PA (USA) | 14.05.2007 | | Mile ind. | 4:01.73 | New York, NY (USA) | 23.01.2010 | | 3000m | 7:43.65 | Stadio Guidobaldi, Rieti (ITA) | 09.09.2012 | | 3000m ind. | 7:50.17 | New York, NY (USA) | 09.02.2008 | | 2 Miles | 8:29.83 | Alexander Stadium, Birmingham (GBR) | 26.08.2012 | | 5000m | 13:18.97 | Montreuil-sous-Bois (FRA) | 08.06.2010 | | 5000m ind. | 13:36.00 | Boston, MA (USA) | 06.02.2010 | | 10,000m | 27:24.67 | Palo Alto, CA (USA) | 01.05.2011 | | 5 km Road | 13:47 | Boston, MA (USA) | 19.04.2014 | | 4 Miles Road | 18:12 | New York, NY (USA) | 31.12.2010 | | 8 km Road | 23:33 | Chicago, IL (USA) | 02.04.2017 | | 10 km Road | 28:37 | New York, NY (USA) | 12.05.2012 | | 15 km Road | 43:40 | Jacksonville, FL (USA) | 09.03.2013 | | Half Marathon | 1:01:52 | Philadelphia, PA (USA) | 18.09.2011 | | Marathon | 2:11:20 | Frankfurt (GER) | 30.10.2016 | | Marathon | 2:11:20 | Chicago, IL (USA) | 12.10.2014 |
| Season's BestsNo season's bests available. |
World RankingsNot ranked currently. | | Year | Result | Venue | Date |
|---|
| 2004 | 1:54.20 | Piscataway, NJ (USA) | 01.05.2004 |
| Year | Result | Venue | Date |
|---|
| 2004 | 3:47.21 | Chester, PA (USA) | 17.04.2004 | | 2006 | 3:46.94 | Storrs, CT (USA) | 07.05.2006 | | 2008 | 3:40.25 | Swarthmore, PA (USA) | 13.05.2008 | | 2009 | 3:42.99 | Walnut, CA (USA) | 17.04.2009 | | 2010 | 3:42.60 | Dessau (GER) | 28.05.2010 | | 2011 | 3:55.98 | Icahn Stadium, New York, NY (USA) | 11.06.2011 |
| Year | Result | Venue | Date |
|---|
| 2002 | 4:07.61 | Sacramento, CA (USA) | 08.06.2002 | | 2003 | 4:07.06 | Sacramento, CA (USA) | 15.06.2003 | | 2004 | 4:13.73 | Colts Neck, NJ (USA) | 12.06.2004 | | 2007 | 3:57.20 | Swarthmore, PA (USA) | 14.05.2007 | | 2008 | 4:00.21 | Crystal Palace, London (GBR) | 25.07.2008 | | 2010 | 4:10.92 | Joensuu (FIN) | 21.08.2010 |
| Year | Result | Venue | Date |
|---|
| 2008 | 8:00.82 | Cork City (IRL) | 12.07.2008 | | 2010 | 7:57.28 | Luzern (SUI) | 08.08.2010 | | 2012 | 7:43.65 | Stadio Guidobaldi, Rieti (ITA) | 09.09.2012 | | 2013 | 7:56.98 | Dublin (IRL) | 17.07.2013 |
| Year | Result | Venue | Date |
|---|
| 2007 | 13:39.88 | Sacramento, CA (USA) | 08.06.2007 | | 2008 | 13:25.66 | Heusden-Zolder (BEL) | 20.07.2008 | | 2009 | 13:29.12 | Berkeley, CA (USA) | 24.04.2009 | | 2010 | 13:18.97 | Montreuil-sous-Bois (FRA) | 08.06.2010 | | 2012 | 13:46.30 | Rovereto (ITA) | 04.09.2012 | | 2013 | 13:24.15 | Los Angeles, CA (USA) | 17.05.2013 | | 2014 | 13:46.09 | Los Angeles, CA (USA) | 15.05.2014 | | 2015 | 13:55.59 | Portland, OR (USA) | 14.06.2015 |
| Year | Result | Venue | Date |
|---|
| 2008 | 28:06.74 | Melbourne (AUS) | 11.12.2008 | | 2010 | 27:33.38 | Palo Alto, CA (USA) | 01.05.2010 | | 2011 | 27:24.67 | Palo Alto, CA (USA) | 01.05.2011 | | 2012 | 27:58.48 | Hayward Field, Eugene, OR (USA) | 22.06.2012 | | 2013 | 29:57.64 | Drake Stadium, Des Moines, IA (USA) | 20.06.2013 | | 2014 | 27:46.30 | Palo Alto, CA (USA) | 04.05.2014 | | 2015 | 27:56.59 | Palo Alto, CA (USA) | 02.05.2015 | | 2016 | 29:01.70 | Hayward Field, Eugene, OR (USA) | 01.07.2016 |
| Year | Result | Venue | Date |
|---|
| 2010 | 30:39 | New York, NY (USA) | 15.05.2010 | | 2011 | 29:09 | New York, NY (USA) | 14.05.2011 | | 2012 | 28:37 | New York, NY (USA) | 12.05.2012 | | 2014 | 30:32 | Boulder, CO (USA) | 26.05.2014 | | 2015 | 29:43 | Boulder, CO (USA) | 25.05.2015 | | 2016 | 30:26 | Boulder, CO (USA) | 30.05.2016 |
| Year | Result | Venue | Date |
|---|
| 2008 | 44:30 | Melbourne (AUS) | 30.11.2008 | | 2013 | 43:40 | Jacksonville, FL (USA) | 09.03.2013 |
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