Personal Bests| Event | Result | Wind | Venue | Date |
|---|
| 200m | 20.75 | -1.2 | Atlanta, GA (USA) | 16.05.2009 | | 200m ind. | 21.15 | | Blacksburg, VA (USA) | 25.02.2006 | | 300m ind. | 33.44 | | Blacksburg, VA (USA) | 13.01.2007 | | 400m | 44.74 | | Olympiastadion, Berlin (GER) | 19.08.2009 | | 400m ind. | 45.69 | | College Station, TX (USA) | 14.03.2009 | | 500m ind. | 1:03.09 | | Blacksburg, VA (USA) | 09.01.2009 | | 55mH ind. | 7.59 | | Clemson, SC (USA) | 26.02.2005 | | 60mH ind. | 8.24 | | Blacksburg, VA (USA) | 14.01.2006 | | 60mH ind. | 8.24 | | Chapel Hill, NC (USA) | 05.02.2005 | | 400mH | 51.94 | | Loughborough (GBR) | 18.07.2015 | | Decathlon | 7162 | | Tallahassee, FL (USA) | 22.04.2005 | | 4x200m | 1:24.62 | | Gainesville, FL (USA) | 06.04.2013 | | 4x400m | 2:58.79 | | Letzigrund, Zürich (SUI) | 17.08.2014 | | 4x400m ind. | 3:04.72 | | Ataköy Arena, Istanbul (TUR) | 11.03.2012 |
| Season's BestsNo season's bests available. |
World RankingsNot ranked currently. | | Year | Result | Wind | Venue | Date |
|---|
| 2005 | 10.83 | -0.7 | Windsor (CAN) | 29.07.2005 |
| Year | Result | Wind | Venue | Date |
|---|
| 2005 | 21.22 | 0.0 | Atlanta, GA (USA) | 14.05.2005 | | 2006 | 20.97 | +0.2 | Winston Salem, NC (USA) | 22.04.2006 | | 2007 | 20.86 | +1.6 | College Park, MD (USA) | 20.04.2007 | | 2008 | 21.32 | +0.6 | Chapel Hill, NC (USA) | 09.05.2008 | | 2009 | 20.75 | -1.2 | Atlanta, GA (USA) | 16.05.2009 | | 2011 | 21.08 | -0.8 | Reims (FRA) | 05.07.2011 | | 2012 | 21.36 | +2.0 | Azusa, CA (USA) | 20.04.2012 | | 2014 | 21.22 | +1.7 | Lynchburg, VA (USA) | 01.05.2014 |
| Year | Result | Venue | Date |
|---|
| 2005 | 47.01 | Windsor (CAN) | 29.07.2005 | | 2006 | 46.13 | Greensboro, NC (USA) | 26.05.2006 | | 2007 | 45.57 | Sacramento, CA (USA) | 09.06.2007 | | 2008 | 45.71 | International Stadium, Gateshead (GBR) | 31.08.2008 | | 2009 | 44.74 | Olympiastadion, Berlin (GER) | 19.08.2009 | | 2010 | 44.84 | Poljud Stadion, Split (CRO) | 04.09.2010 | | 2011 | 45.42 | Icahn Stadium, New York, NY (USA) | 11.06.2011 | | 2012 | 45.87 | Ponce (PUR) | 12.05.2012 | | 2013 | 45.37 | Atlanta, GA (USA) | 17.05.2013 | | 2014 | 45.13 | Icahn Stadium, New York, NY (USA) | 14.06.2014 | | 2015 | 45.85 | Montverde, FL (USA) | 06.06.2015 |
| Year | Result | Wind | Venue | Date |
|---|
| 2005 | 14.66 | +0.7 | Tallahassee, FL (USA) | 22.04.2005 |
| Year | Result | Venue | Date |
|---|
| 2015 | 51.94 | Loughborough (GBR) | 18.07.2015 |
| Year | Result | Venue | Date |
|---|
| 2005 | 1.79 | Sacramento, CA (USA) | 08.06.2005 |
| Year | Result | Wind | Venue | Date |
|---|
| 2005 | 7.13 | +2.0 | Tallahassee, FL (USA) | 21.04.2005 |
| Year | Result | Venue | Date |
|---|
| 2005 | 11.28 | Sacramento, CA (USA) | 08.06.2005 |
| Year | Result | Venue | Date |
|---|
| 2007 | 62.05 | Spokane, WA (USA) | 28.04.2007 |
| Year | Result | Venue | Date |
|---|
| 2005 | 7162 | Tallahassee, FL (USA) | 22.04.2005 |
| Year | Result | Venue | Date |
|---|
| 2013 | 1:24.62 | Gainesville, FL (USA) | 06.04.2013 |
| Year | Result | Venue | Date |
|---|
| 2008 | 2:58.81 | National Stadium, Beijing (CHN) | 23.08.2008 | | 2009 | 3:00.53 | Olympiastadion, Berlin (GER) | 23.08.2009 | | 2010 | 2:59.84 | Poljud Stadion, Split (CRO) | 05.09.2010 | | 2011 | 3:02.41 | Tallahassee, FL (USA) | 06.05.2011 | | 2012 | 3:05.50 | Olympiastadion, Helsinki (FIN) | 30.06.2012 | | 2013 | 3:00.50 | Luzhniki Stadion, Moskva (RUS) | 15.08.2013 | | 2014 | 2:58.79 | Letzigrund, Zürich (SUI) | 17.08.2014 |
| Year | Result | Venue | Date |
|---|
| 2013 | 3:18.97 | Gainesville, FL (USA) | 06.04.2013 |
|
