Personal Bests| Event | Result | Wind | Venue | Date |
|---|
| 100m | 11.88 | +0.2 | Los Angeles, CA (USA) | 14.04.2007 | | 200m | 23.95 | 0.0 | Los Angeles, CA (USA) | 03.03.2007 | | 200m ind. | 23.91 | | New York, NY (USA) | 13.03.2004 | | 400m | 51.69 | | Los Angeles, CA (USA) | 03.05.2008 | | 400m ind. | 52.19 | | New York, NY (USA) | 14.03.2004 | | 500m ind. | 1:13.19 | | New York, NY (USA) | 10.01.2014 | | 600m ind. | 1:31.09 | | New York, NY (USA) | 25.01.2014 | | 800m | 2:09.61 | | Los Angeles, CA (USA) | 08.03.2008 | | 400mH | 54.32 | | Sacramento, CA (USA) | 09.06.2007 | | 4x400m | 3:27.84 | | Rio de Janeiro (BRA) | 28.07.2007 | | 4x400m ind. | 3:47.83 | | University Park, PA (USA) | 28.01.2012 | | Sprint Medley 1600m | 3:39.55 | | Philadelphia, PA (USA) | 24.04.2010 |
| Season's BestsNo season's bests available. |
World RankingsNot ranked currently. | | Year | Result | Wind | Venue | Date |
|---|
| 2007 | 11.88 | +0.2 | Los Angeles, CA (USA) | 14.04.2007 |
| Year | Result | Wind | Venue | Date |
|---|
| 2003 | 24.24 | -0.4 | Miami, FL (USA) | 03.08.2003 | | 2006 | 24.04 | +0.5 | Westwood, CA (USA) | 04.03.2006 | | 2007 | 23.95 | 0.0 | Los Angeles, CA (USA) | 03.03.2007 |
| Year | Result | Venue | Date |
|---|
| 2001 | 55.12 | Sacramento, CA (USA) | 29.07.2001 | | 2002 | 54.56 | Omaha, NE (USA) | 28.07.2002 | | 2004 | 53.58 | Arcadia, CA (USA) | 10.04.2004 | | 2006 | 52.27 | Los Angeles, CA (USA) | 29.04.2006 | | 2007 | 51.97 | Los Angeles, CA (USA) | 28.04.2007 | | 2008 | 51.69 | Los Angeles, CA (USA) | 03.05.2008 | | 2009 | 52.04 | Los Angeles, CA (USA) | 02.05.2009 | | 2010 | 53.45 | Cuxhaven (GER) | 09.06.2010 | | 2012 | 52.82 | Walnut, CA (USA) | 21.04.2012 | | 2014 | 55.36 | Princeton, NJ (USA) | 05.04.2014 | | 2015 | 56.36 | Los Angeles, CA (USA) | 11.04.2015 | | 2016 | 54.48 | Los Angeles, CA (USA) | 09.04.2016 |
| Year | Result | Venue | Date |
|---|
| 2008 | 2:09.61 | Los Angeles, CA (USA) | 08.03.2008 | | 2015 | 2:22.47 | Northridge, CA (USA) | 13.03.2015 | | 2016 | 2:11.14 | Los Angeles, CA (USA) | 02.04.2016 |
| Year | Result | Wind | Venue | Date |
|---|
| 2016 | 15.58 | +0.3 | Dubuque, IA (USA) | 06.05.2016 | | 2017 | 15.05 | -0.3 | Rock Island, IL (USA) | 18.05.2017 |
| Year | Result | Venue | Date |
|---|
| 2002 | 1:00.17 | Miami, FL (USA) | 07.07.2002 | | 2003 | 59.00 | Philadelphia, PA (USA) | 24.04.2003 | | 2004 | 57.56 | Stadio Zecchini, Grosseto (ITA) | 15.07.2004 | | 2005 | 57.25 | Carson, CA (USA) | 24.06.2005 | | 2006 | 55.35 | Sacramento, CA (USA) | 09.06.2006 | | 2007 | 54.32 | Sacramento, CA (USA) | 09.06.2007 | | 2008 | 54.62 | Des Moines, IA (USA) | 13.06.2008 | | 2009 | 55.39 | Fayetteville, AR (USA) | 12.06.2009 | | 2010 | 55.52 | Osaka (JPN) | 08.05.2010 | | 2011 | 56.08 | National Stadium, Kingston (JAM) | 07.05.2011 | | 2012 | 55.37 | Icahn Stadium, New York, NY (USA) | 09.06.2012 | | 2016 | 56.93 | George Town (CAY) | 14.05.2016 |
| Year | Result | Wind | Venue | Date |
|---|
| 2017 | 4.89 | 0.0 | Dubuque, IA (USA) | 05.05.2017 |
| Year | Result | Wind | Venue | Date |
|---|
| 2016 | 10.90 | +1.5 | Macomb, IL (USA) | 16.04.2016 | | 2017 | 10.67 | +2.0 | Dubuque, IA (USA) | 21.04.2017 |
| Year | Result | Venue | Date |
|---|
| 2004 | 3:30.13 | Stadio Zecchini, Grosseto (ITA) | 17.07.2004 | | 2006 | 3:29.01 | Chaoyang Sport Center, Beijing (CHN) | 20.08.2006 | | 2007 | 3:27.84 | Rio de Janeiro (BRA) | 28.07.2007 | | 2011 | 3:33.25 | Los Angeles, CA (USA) | 09.04.2011 | | 2016 | 3:36.16 | Los Angeles, CA (USA) | 09.04.2016 |
| Year | Result | Venue | Date |
|---|
| 2010 | 3:39.55 | Philadelphia, PA (USA) | 24.04.2010 | | 2011 | 3:43.17 | Philadelphia, PA (USA) | 30.04.2011 |
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