Personal Bests| Event | Result | Wind | Venue | Date |
|---|
| 200m | 23.63 | +1.3 | Lubbock, TX (USA) | 12.04.2008 | | 300m | 38.03 | | Göteborg (SWE) | 10.08.2010 | | 400m | 51.73 | | Shizuoka (JPN) | 03.05.2008 | | 400m ind. | 53.41 | | Boston, MA (USA) | 10.02.2012 | | 500m ind. | 1:13.73 | | Fairfax, VA (USA) | 09.01.2016 | | 600m ind. | 1:31.29 | | NY (USA) | 20.01.2018 | | 800m | 2:10.36 | | Gainesville, FL (USA) | 28.04.2017 | | 800m ind. | 2:05.33 | | Boston, MA (USA) | 12.02.2016 | | 1000m ind. | 2:57.11 | | Norman, OK (USA) | 05.02.2005 | | 400mH | 55.18 | | Belém (BRA) | 06.05.2012 | | 4x400m | 3:32.21 | | Gainesville, FL (USA) | 07.04.2012 | | 4x400m ind. | 3:36.17 | | Fayetteville, AR (USA) | 10.03.2007 |
| Season's BestsNo season's bests available. |
World RankingsNot ranked currently. | | Year | Result | Wind | Venue | Date |
|---|
| 2008 | 23.63 | +1.3 | Lubbock, TX (USA) | 12.04.2008 | | 2010 | 24.23 | 0.0 | Bruxelles (BEL) | 08.08.2010 | | 2011 | 24.47 | | Princeton, NJ (USA) | 23.04.2011 | | 2017 | 25.55 | -0.5 | Atlanta, GA (USA) | 22.04.2017 | | 2018 | 26.19 | +0.8 | Gainesville, FL (USA) | 29.03.2018 |
| Year | Result | Venue | Date |
|---|
| 2010 | 38.03 | Göteborg (SWE) | 10.08.2010 | | 2015 | 40.77 | Charlottesville, VA (USA) | 08.05.2015 |
| Year | Result | Venue | Date |
|---|
| 2003 | 54.88 | Baltimore, MD (USA) | 24.05.2003 | | 2004 | 55.69 | Hays, KS (USA) | 13.04.2004 | | 2005 | 54.80 | Norman, OK (USA) | 16.04.2005 | | 2006 | 53.58 | Eugene, OR (USA) | 14.05.2006 | | 2007 | 51.97 | Palo Alto, CA (USA) | 13.05.2007 | | 2008 | 51.73 | Shizuoka (JPN) | 03.05.2008 | | 2009 | 52.02 | Osaka (JPN) | 09.05.2009 | | 2010 | 53.49 | Bruxelles (BEL) | 08.08.2010 | | 2011 | 53.68 | Storrs, CT (USA) | 09.04.2011 | | 2015 | 54.16 | Gainesville, FL (USA) | 03.04.2015 | | 2016 | 54.00 | Richmond, VA (USA) | 26.03.2016 | | 2017 | 56.62 | Coral Gables, FL (USA) | 18.03.2017 | | 2018 | 55.95 | Coral Gables, FL (USA) | 07.04.2018 | | 2019 | 58.02 | Clermont, FL (USA) | 05.05.2019 |
| Year | Result | Venue | Date |
|---|
| 2004 | 2:13.22 | Fort Worth, TX (USA) | 17.04.2004 | | 2017 | 2:10.36 | Gainesville, FL (USA) | 28.04.2017 | | 2018 | 2:13.99 | Baie Mahault (FRA) | 12.05.2018 |
| Year | Result | Venue | Date |
|---|
| 2005 | 59.82 | Levelland, TX (USA) | 18.05.2005 | | 2006 | 57.57 | Sacramento, CA (USA) | 08.06.2006 | | 2007 | 56.35 | Sacramento, CA (USA) | 09.06.2007 | | 2008 | 55.85 | Eugene, OR (USA) | 29.06.2008 | | 2009 | 56.02 | Icahn Stadium, New York, NY (USA) | 30.05.2009 | | 2010 | 55.96 | Sacramento, CA (USA) | 29.05.2010 | | 2011 | 55.99 | Clermont, FL (USA) | 11.06.2011 | | 2012 | 55.18 | Belém (BRA) | 06.05.2012 | | 2013 | 56.03 | São Paulo (BRA) | 19.05.2013 | | 2015 | 57.22 | Greensboro, NC (USA) | 17.05.2015 | | 2016 | 57.61 | Charlottesville, VA (USA) | 23.04.2016 | | 2018 | 59.34 | Montverde, FL (USA) | 09.06.2018 | | 2019 | 1:02.03 | Clermont, FL (USA) | 05.05.2019 |
| Year | Result | Venue | Date |
|---|
| 2007 | 3:35.25 | Eugene, OR (USA) | 26.05.2007 | | 2012 | 3:32.21 | Gainesville, FL (USA) | 07.04.2012 |
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