Personal Bests| Event | Result | Venue | Date |
|---|
| 800m | 1:59.99 | Liège (BEL) | 13.07.2010 | | 800m ind. | 2:03.77 | Boston, MA (USA) | 29.01.2010 | | 1000m | 2:37.42 | Icahn Stadium, New York, NY (USA) | 13.06.2015 | | 1000m ind. | 2:38.98 | Boston, MA (USA) | 06.02.2010 | | 1500m | 4:03.49 | Stadio Guidobaldi, Rieti (ITA) | 29.08.2010 | | 1500m ind. | 4:09.59 | Aspire Dome, Doha (QAT) | 14.03.2010 | | Mile | 4:26.48 | Rieti (ITA) | 07.09.2008 | | Mile ind. | 4:28.92 | New York, NY (USA) | 23.01.2010 | | 3000m | 8:55.07 | Lapinlahti (FIN) | 24.07.2011 | | 3000m ind. | 9:07.88 | Boston, MA (USA) | 24.02.2008 | | 5000m | 15:41.78 | Palo Alto, CA (USA) | 01.05.2011 | | 5 km Road | 15:50 | Haddonfield, NJ (USA) | 20.03.2010 | | 4x800m | 8:14.76 | Eugene, OR (USA) | 26.07.2014 | | 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 |
|---|
| 2007 | 58.08 | Paris (FRA) | 08.09.2007 |
| Year | Result | Venue | Date |
|---|
| 2002 | 2:08.51 | Charlottesville, VA (USA) | 20.04.2002 | | 2003 | 2:09.39 | Durham, NC (USA) | 08.05.2003 | | 2004 | 2:07.70 | Atlanta, GA (USA) | 15.05.2004 | | 2005 | 2:05.47 | Tallahassee, FL (USA) | 22.04.2005 | | 2006 | 2:02.57 | Eugene, OR (USA) | 08.08.2006 | | 2007 | 2:01.12 | Naimette-Xhovémont (BEL) | 25.07.2007 | | 2008 | 2:01.19 | Naimette-Xhovémont (BEL) | 16.07.2008 | | 2009 | 2:03.47 | Sotteville-lès-Rouen (FRA) | 05.07.2009 | | 2010 | 1:59.99 | Liège (BEL) | 13.07.2010 | | 2011 | 2:02.40 | Gent (BEL) | 30.07.2011 | | 2015 | 2:02.17 | Baskin Ridge (USA) | 26.05.2015 | | 2016 | 2:02.93 | Hayward Field, Eugene, OR (USA) | 01.07.2016 |
| Year | Result | Venue | Date |
|---|
| 2007 | 2:39.50 | Linz (AUT) | 11.09.2007 | | 2015 | 2:37.42 | Icahn Stadium, New York, NY (USA) | 13.06.2015 |
| Year | Result | Venue | Date |
|---|
| 2002 | 4:20.72 | Atlanta, GA (USA) | 17.05.2002 | | 2003 | 4:19.09 | Sacramento, CA (USA) | 12.06.2003 | | 2004 | 4:16.78 | Chapel Hill, NC (USA) | 08.05.2004 | | 2005 | 4:14.57 | Sacramento, CA (USA) | 11.06.2005 | | 2006 | 4:16.08 | Bloomington, IN (USA) | 01.07.2006 | | 2007 | 4:05.55 | Heusden-Zolder (BEL) | 28.07.2007 | | 2008 | 4:07.65 | Eugene, OR (USA) | 08.06.2008 | | 2009 | 4:05.21 | Olympic Stadium, Athina (GRE) | 13.07.2009 | | 2010 | 4:03.49 | Stadio Guidobaldi, Rieti (ITA) | 29.08.2010 | | 2011 | 4:07.04 | Joensuu (FIN) | 27.07.2011 | | 2013 | 4:54.13 | Amherst, MA (USA) | 13.04.2013 | | 2016 | 4:11.22 | Princeton, NJ (USA) | 18.06.2016 |
| Year | Result | Venue | Date |
|---|
| 1999 | 4:48.68 | Raleigh, NC (USA) | 12.06.1999 | | 2000 | 4:53.63 | Raleigh, NC (USA) | 17.06.2000 | | 2001 | 4:42.96 | Raleigh, NC (USA) | 17.06.2001 | | 2006 | 4:28.99 | Falmouth, MA (USA) | 12.08.2006 | | 2007 | 4:27.35 | Boudewijnstadion, Bruxelles (BEL) | 14.09.2007 | | 2008 | 4:26.48 | Rieti (ITA) | 07.09.2008 | | 2009 | 4:27.91 | Falmouth, MA (USA) | 08.08.2009 | | 2011 | 4:32.52 | Falmouth, MA (USA) | 13.08.2011 | | 2016 | 4:35.26 | Concord, MA (USA) | 02.06.2016 |
| Year | Result | Venue | Date |
|---|
| 2011 | 8:55.07 | Lapinlahti (FIN) | 24.07.2011 | | 2013 | 10:57.32 | Lowell, MA (USA) | 06.04.2013 |
| Year | Result | Venue | Date |
|---|
| 2011 | 15:41.78 | Palo Alto, CA (USA) | 01.05.2011 | | 2013 | 17:56.03 | Amherst, MA (USA) | 13.04.2013 |
| Year | Result | Venue | Date |
|---|
| 2005 | 44.98 | Tallahassee, FL (USA) | 21.04.2005 |
No progression. | Year | Result | Venue | Date |
|---|
| 2006 | 16:30 | Providence, RI (USA) | 17.09.2006 | | 2010 | 15:50 | Haddonfield, NJ (USA) | 20.03.2010 |
| Year | Result | Venue | Date |
|---|
| 2003 | 8:26.71 | Philadelphia, PA (USA) | 26.04.2003 | | 2014 | 8:14.76 | Eugene, OR (USA) | 26.07.2014 |
| Year | Result | Venue | Date |
|---|
| 2002 | 17:33.67 | Philadelphia, PA (USA) | 26.04.2002 | | 2003 | 17:20.18 | Philadelphia, PA (USA) | 25.04.2003 | | 2004 | 17:37.23 | Philadelphia, PA (USA) | 23.04.2004 |
|
