Personal Bests| Event | Result | Venue | Date |
|---|
| 400m | 47.45 | Dublin (IRL) | 25.07.2012 | | 600m | 1:14.47 | Eugene, OR (USA) | 15.06.2008 | | 600m ind. | 1:16.89 | New York, NY (USA) | 16.02.2013 | | 800m | 1:42.95 | Olympic Stadium, London (GBR) | 09.08.2012 | | 800m ind. | 1:46.48 | Velódromo Luis Puig, Valencia (ESP) | 09.03.2008 | | 1000m | 2:16.35 | Hayward Field, Eugene, OR (USA) | 03.07.2010 | | 1000m ind. | 2:18.87 | New York, NY (USA) | 15.02.2014 | | 1500m | 3:34.55 | Stade Louis II, Monaco (MON) | 19.07.2013 | | Mile | 3:59.68 | Nashville, TN (USA) | 06.06.2015 | | Mile ind. | 4:01.21 | Fayetteville, AR (USA) | 09.02.2007 | | 4x800m ind. | 7:18.52 | Reggie Lewis Center, Boston, MA (USA) | 08.02.2014 | | Distance Medley | 9:19.88 | Philadelphia, PA (USA) | 28.04.2012 |
| Season's BestsNo season's bests available. |
World RankingsNot ranked currently. | | Year | Result | Venue | Date |
|---|
| 2004 | 48.84 | Salem, OR (USA) | 22.05.2004 | | 2012 | 47.45 | Dublin (IRL) | 25.07.2012 | | 2015 | 48.53 | Portland, OR (USA) | 08.08.2015 |
| Year | Result | Venue | Date |
|---|
| 2008 | 1:14.47 | Eugene, OR (USA) | 15.06.2008 | | 2015 | 1:16.13 | Portland, OR (USA) | 14.06.2015 |
| Year | Result | Venue | Date |
|---|
| 2003 | 1:49.51 | Canton, NY (USA) | 24.05.2003 | | 2004 | 1:50.87 | Decatur, IL (USA) | 29.05.2004 | | 2005 | 1:48.82 | Seattle, WA (USA) | 14.05.2005 | | 2006 | 1:45.83 | Indianapolis, IN (USA) | 25.06.2006 | | 2007 | 1:44.54 | Eugene, OR (USA) | 10.06.2007 | | 2008 | 1:44.10 | Eugene, OR (USA) | 30.06.2008 | | 2009 | 1:43.83 | Stade Louis II, Monaco (MON) | 28.07.2009 | | 2010 | 1:43.76 | Stadio Guidobaldi, Rieti (ITA) | 29.08.2010 | | 2011 | 1:43.83 | Stade Louis II, Monaco (MON) | 22.07.2011 | | 2012 | 1:42.95 | Olympic Stadium, London (GBR) | 09.08.2012 | | 2013 | 1:43.03 | Boudewijnstadion, Bruxelles (BEL) | 06.09.2013 | | 2015 | 1:44.53 | Hayward Field, Eugene, OR (USA) | 28.06.2015 | | 2016 | 1:47.82 | National Stadium, Beijing (CHN) | 18.05.2016 | | 2017 | 1:49.48 | Portland, OR (USA) | 11.06.2017 |
| Year | Result | Venue | Date |
|---|
| 2008 | 2:17.10 | International Stadium, Gateshead (GBR) | 31.08.2008 | | 2010 | 2:16.35 | Hayward Field, Eugene, OR (USA) | 03.07.2010 |
| Year | Result | Venue | Date |
|---|
| 2003 | 3:46.66 | Canton, NY (USA) | 24.05.2003 | | 2004 | 3:45.55 | Gresham, OR (USA) | 05.06.2004 | | 2005 | 3:47.04 | Salem, OR (USA) | 02.04.2005 | | 2006 | 3:40.91 | Palo Alto, CA (USA) | 11.06.2006 | | 2007 | 3:42.89 | Eugene, OR (USA) | 20.04.2007 | | 2008 | 3:40.98 | Palo Alto, CA (USA) | 04.05.2008 | | 2010 | 3:40.33 | Ponce (PUR) | 08.05.2010 | | 2011 | 3:38.18 | Los Angeles, CA (USA) | 21.05.2011 | | 2012 | 3:36.04 | Los Angeles, CA (USA) | 18.05.2012 | | 2013 | 3:34.55 | Stade Louis II, Monaco (MON) | 19.07.2013 | | 2015 | 3:44.22 | Palo Alto, CA (USA) | 02.05.2015 |
| Year | Result | Venue | Date |
|---|
| 2003 | 4:03.85 | Eugene, OR (USA) | 03.05.2003 | | 2004 | 4:09.83 | Eugene, OR (USA) | 19.06.2004 | | 2005 | 4:04.58 | Eugene, OR (USA) | 07.05.2005 | | 2012 | 4:01.57 | Lawrence, KS (USA) | 21.04.2012 | | 2013 | 4:00.21 | Lawrence, KS (USA) | 20.04.2013 | | 2015 | 3:59.68 | Nashville, TN (USA) | 06.06.2015 |
No progression. | Year | Result | Venue | Date |
|---|
| 2010 | 9:25.02 | Philadelphia, PA (USA) | 24.04.2010 | | 2011 | 9:20.24 | Philadelphia, PA (USA) | 30.04.2011 | | 2012 | 9:19.88 | Philadelphia, PA (USA) | 28.04.2012 |
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