Personal Bests| Event | Result | Venue | Date |
|---|
| 400m | 55.10 | Atlanta, GA (USA) | 17.05.2003 | | 500m ind. | 1:14.12 | University Park, PA (USA) | 27.01.2001 | | 800m | 1:58.61 | Lignano Sabbiadoro (ITA) | 19.07.2011 | | 800m ind. | 2:01.93 | Boston, MA (USA) | 26.02.2006 | | 1000m ind. | 2:43.20 | Boston, MA (USA) | 06.02.2010 | | 1500m | 4:05.64 | Hayward Field, Eugene, OR (USA) | 01.06.2012 | | Mile | 4:43.11 | Walnut, CA (USA) | 20.04.2012 | | Mile ind. | 4:55.06 | Chapel Hill, NC (USA) | 13.01.2002 | | 3000m | 9:45.25 | San Diego, CA (USA) | 15.03.2013 | | Mile Road | 4:46.15 | Des Moines, IA (USA) | 23.04.2013 | | 4x800m | 8:10.99 | Philadelphia, PA (USA) | 27.04.2013 | | 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 |
|---|
| 2003 | 55.10 | Atlanta, GA (USA) | 17.05.2003 |
| Year | Result | Venue | Date |
|---|
| 1998 | 2:12.45 | Edwardsville, IL (USA) | 26.06.1998 | | 1999 | 2:09.49 | Raleigh, NC (USA) | 12.06.1999 | | 2000 | 2:08.85 | Raleigh, NC (USA) | 17.06.2000 | | 2001 | 2:04.75 | Durham, NC (USA) | 12.05.2001 | | 2002 | 2:04.35 | Baton Rouge, LA (USA) | 29.05.2002 | | 2003 | 2:01.16 | Sacramento, CA (USA) | 14.06.2003 | | 2004 | 2:03.79 | Austin, TX (USA) | 12.06.2004 | | 2005 | 1:59.29 | Lignano (ITA) | 17.07.2005 | | 2006 | 1:59.35 | Lignano (ITA) | 16.07.2006 | | 2007 | 1:58.75 | Eugene, OR (USA) | 10.06.2007 | | 2008 | 1:59.67 | Stade Olympique de la Pontaise, Lausanne (SUI) | 02.09.2008 | | 2010 | 2:01.68 | Los Angeles, CA (USA) | 22.05.2010 | | 2011 | 1:58.61 | Lignano Sabbiadoro (ITA) | 19.07.2011 | | 2012 | 1:59.46 | Hayward Field, Eugene, OR (USA) | 25.06.2012 | | 2013 | 2:06.57 | Los Angeles, CA (USA) | 17.05.2013 |
| Year | Result | Venue | Date |
|---|
| 2001 | 4:35.06 | Chapel Hill, NC (USA) | 24.03.2001 | | 2003 | 4:18.08 | Raleigh, NC (USA) | 19.04.2003 | | 2004 | 4:18.46 | Chapel Hill, NC (USA) | 16.04.2004 | | 2005 | 4:12.12 | Carson, CA (USA) | 22.05.2005 | | 2006 | 4:17.85 | Carson, CA (USA) | 21.05.2006 | | 2007 | 4:08.89 | Carson, CA (USA) | 20.05.2007 | | 2008 | 4:15.36 | Carson, CA (USA) | 18.05.2008 | | 2010 | 4:18.66 | Walnut, CA (USA) | 16.04.2010 | | 2011 | 4:08.09 | Padova (ITA) | 17.07.2011 | | 2012 | 4:05.64 | Hayward Field, Eugene, OR (USA) | 01.06.2012 | | 2013 | 4:29.24 | San Marcos, TX (USA) | 06.04.2013 |
| Year | Result | Venue | Date |
|---|
| 2012 | 4:43.11 | Walnut, CA (USA) | 20.04.2012 |
| Year | Result | Venue | Date |
|---|
| 2007 | 9:51.66 | San Diego, CA (USA) | 17.03.2007 | | 2013 | 9:45.25 | San Diego, CA (USA) | 15.03.2013 |
| Year | Result | Venue | Date |
|---|
| 2013 | 4:46.15 | Des Moines, IA (USA) | 23.04.2013 |
| Year | Result | Venue | Date |
|---|
| 2001 | 8:29.77 | Philadelphia, PA (USA) | 28.04.2001 | | 2003 | 8:26.71 | Philadelphia, PA (USA) | 26.04.2003 | | 2013 | 8:10.99 | Philadelphia, PA (USA) | 27.04.2013 |
| 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 |
|
