Personal Bests| Event | Result | Venue | Date |
|---|
| 800m | 1:59.35 | Stade Louis II, Monaco (MON) | 28.07.2009 | | 800m ind. | 2:03.70 | Boston, MA (USA) | 25.02.2007 | | 1000m | 2:34.23 | Dubnica nad Váhom (SVK) | 06.09.2009 | | 1500m | 3:59.59 | Stade de France, Paris-St-Denis (FRA) | 16.07.2010 | | 1500m ind. | 4:10.56 | Velódromo Luis Puig, Valencia (ESP) | 08.03.2008 | | Mile | 4:39.11 | Falmouth, MA (USA) | 11.08.2007 | | Mile ind. | 4:27.18 | Fayetteville, AR (USA) | 15.02.2008 | | 3000m ind. | 8:43.79 | Fayetteville, AR (USA) | 12.02.2011 | | 5000m | 15:21.75 | Walnut, CA (USA) | 15.04.2011 | | 5000m ind. | 16:16.79 | Fayetteville, AR (USA) | 14.02.2003 | | 5 km Road | 15:56 | Carlsbad, CA (USA) | 03.04.2011 | | 10 km Road | 35:18 | Dekalb, IL (USA) | 22.08.2004 | | 4x1500m | 17:34.63 | Philadelphia, PA (USA) | 28.04.2001 |
| Season's BestsNo season's bests available. |
World RankingsNot ranked currently. | | Year | Result | Venue | Date |
|---|
| 1998 | 2:12.90 | Raleigh, NC (USA) | 20.06.1998 | | 2000 | 2:11.59 | Fayetteville, AR (USA) | 22.04.2000 | | 2001 | 2:10.79 | Tempe, AZ (USA) | 24.03.2001 | | 2003 | 2:07.65 | Fayetteville, AR (USA) | 12.04.2003 | | 2004 | 2:07.66 | Modesto, CA (USA) | 08.05.2004 | | 2005 | 2:07.63 | Fayetteville, AR (USA) | 23.04.2005 | | 2006 | 2:02.16 | Lignano (ITA) | 16.07.2006 | | 2007 | 2:06.15 | Castleisland (IRL) | 02.07.2007 | | 2008 | 2:01.34 | Crystal Palace, London (GBR) | 26.07.2008 | | 2009 | 1:59.35 | Stade Louis II, Monaco (MON) | 28.07.2009 | | 2010 | 2:00.61 | Olympiastadion, Berlin (GER) | 22.08.2010 | | 2011 | 2:00.72 | Palo Alto, CA (USA) | 01.05.2011 | | 2012 | 2:04.80 | Palo Alto, CA (USA) | 29.04.2012 |
| Year | Result | Venue | Date |
|---|
| 2003 | 2:47.1h | Rivera Pilote (FRA) | 13.12.2003 | | 2009 | 2:34.23 | Dubnica nad Váhom (SVK) | 06.09.2009 |
| Year | Result | Venue | Date |
|---|
| 1998 | 4:34.33 | Edwardsville, IL (USA) | 26.06.1998 | | 2000 | 4:24.21 | Palo Alto, CA (USA) | 05.05.2000 | | 2001 | 4:24.66 | Columbia, SC (USA) | 13.05.2001 | | 2002 | 4:16.80 | Baton Rouge, LA (USA) | 30.05.2002 | | 2003 | 4:10.49 | Sacramento, CA (USA) | 14.06.2003 | | 2004 | 4:15.99 | Palo Alto, CA (USA) | 30.04.2004 | | 2005 | 4:08.76 | Palo Alto, CA (USA) | 30.05.2005 | | 2006 | 4:05.00 | Eugene, OR (USA) | 28.05.2006 | | 2007 | 4:07.86 | Indianapolis, IN (USA) | 23.06.2007 | | 2008 | 4:04.88 | Eugene, OR (USA) | 08.06.2008 | | 2009 | 3:59.98 | Stadio Olimpico, Roma (ITA) | 10.07.2009 | | 2010 | 3:59.59 | Stade de France, Paris-St-Denis (FRA) | 16.07.2010 | | 2011 | 4:03.72 | Stadio Olimpico, Roma (ITA) | 26.05.2011 |
| Year | Result | Venue | Date |
|---|
| 2007 | 4:39.11 | Falmouth, MA (USA) | 11.08.2007 |
No progression. | Year | Result | Venue | Date |
|---|
| 2000 | 9:51.12 | Walnut, CA (USA) | 14.04.2000 |
| Year | Result | Venue | Date |
|---|
| 2002 | 16:30.05 | Palo Alto, CA (USA) | 29.03.2002 | | 2003 | 15:54.99 | Walnut, CA (USA) | 17.04.2003 | | 2004 | 16:26.72 | Walnut, CA (USA) | 17.04.2004 | | 2005 | 16:14.12 | Walnut, CA (USA) | 15.04.2005 | | 2007 | 15:47.72 | Walnut, CA (USA) | 13.04.2007 | | 2008 | 15:28.04 | Walnut, CA (USA) | 18.04.2008 | | 2009 | 15:34.17 | Walnut, CA (USA) | 17.04.2009 | | 2010 | 15:50.19 | Walnut, CA (USA) | 16.04.2010 | | 2011 | 15:21.75 | Walnut, CA (USA) | 15.04.2011 |
No progression. | Year | Result | Venue | Date |
|---|
| 2006 | 16:05 | Carlsbad, CA (USA) | 09.04.2006 | | 2007 | 16:30 | Carlsbad, CA (USA) | 01.04.2007 | | 2009 | 16:09 | Carlsbad, CA (USA) | 05.04.2009 | | 2011 | 15:56 | Carlsbad, CA (USA) | 03.04.2011 |
| Year | Result | Venue | Date |
|---|
| 2003 | 35:36 | Chicago, IL (USA) | 20.07.2003 | | 2004 | 35:18 | Dekalb, IL (USA) | 22.08.2004 |
No progression. | Year | Result | Venue | Date |
|---|
| 2000 | 17:37.11 | Philadelphia, PA (USA) | 28.04.2000 | | 2001 | 17:34.63 | Philadelphia, PA (USA) | 28.04.2001 | | 2002 | 18:03.55 | Philadelphia, PA (USA) | 26.04.2002 |
|
