Personal Bests| Event | Result | Wind | Venue | Date |
|---|
| 60m ind. | 7.43 | | Houston, TX (USA) | 18.01.2013 | | 60m ind. | 7.43 | | College Station, TX (USA) | 12.01.2013 | | 100m | 11.47 | +1.4 | San Antonio, TX (USA) | 29.03.2013 | | 200m | 22.51 | +1.4 | São Paulo (BRA) | 19.05.2013 | | 200m ind. | 22.88 | | Eaubonne (FRA) | 16.02.2012 | | 300m | 37.11 | | Kohila (EST) | 29.08.2012 | | 300m ind. | 35.69 | | Liévin (FRA) | 14.02.2012 | | 400m | 50.71 | | Bislett Stadion, Oslo (NOR) | 07.06.2012 | | 400m ind. | 51.66 | | Stockholm (SWE) | 23.02.2012 | | 400mH | 57.65 | | Tampa, FL (USA) | 11.07.1999 | | 4x100m | 45.30 | | Philadelphia, PA (USA) | 29.04.2011 | | 4x400m | 3:22.01 | | DS, Daegu (KOR) | 02.09.2011 | | 4x400m ind. | 3:26.54 | | Ergo Arena, Sopot (POL) | 09.03.2014 | | Sprint Medley 1600m | 3:38.41 | | Philadelphia, PA (USA) | 26.04.2014 |
| Season's BestsNo season's bests available. |
World RankingsNot ranked currently. | | Year | Result | Wind | Venue | Date |
|---|
| 2010 | 12.39 | | Houston, TX (USA) | 20.05.2010 | | 2011 | 11.54 | +1.2 | San Antonio, TX (USA) | 08.04.2011 | | 2012 | 11.58 | -0.1 | Houston, TX (USA) | 17.05.2012 | | 2013 | 11.47 | +1.4 | San Antonio, TX (USA) | 29.03.2013 |
| Year | Result | Wind | Venue | Date |
|---|
| 1998 | 24.11 | 0.0 | Los Angeles, CA (USA) | 09.05.1998 | | 2002 | 24.46 | -1.3 | Kingston (JAM) | 18.04.2002 | | 2003 | 23.89 | 0.0 | Levelland, TX (USA) | 09.05.2003 | | 2005 | 24.13 | +0.9 | Knoxville, TN (USA) | 06.05.2005 | | 2006 | 23.23 | +0.1 | Fayetteville, AR (USA) | 12.05.2006 | | 2007 | 24.13 | | Nashville, TN (USA) | 12.05.2007 | | 2008 | 23.64 | +1.8 | Nashville, TN (USA) | 19.04.2008 | | 2011 | 22.73 | -1.8 | Houston, TX (USA) | 19.05.2011 | | 2012 | 23.24 | +0.3 | Ponce (PUR) | 12.05.2012 | | 2013 | 22.51 | +1.4 | São Paulo (BRA) | 19.05.2013 | | 2014 | 23.45 | -3.6 | Edmonton (CAN) | 06.07.2014 | | 2015 | 23.43 | +1.8 | Austin, TX (USA) | 02.05.2015 | | 2016 | 23.29 | -0.2 | Waco, TX (USA) | 23.04.2016 |
| Year | Result | Venue | Date |
|---|
| 1998 | 53.79 | Port-of-Spain (TTO) | 11.04.1998 | | 1999 | 53.83 | Kingston (JAM) | 18.06.1999 | | 2001 | 53.96 | Kingston (JAM) | 07.04.2001 | | 2002 | 53.30 | Kingston (JAM) | 20.04.2002 | | 2003 | 53.00 | Fayetteville, AR (USA) | 12.04.2003 | | 2005 | 52.24 | Nashville, TN (USA) | 15.05.2005 | | 2006 | 51.45 | Sacramento, CA (USA) | 10.06.2006 | | 2007 | 51.52 | Gainesville, FL (USA) | 06.04.2007 | | 2008 | 52.05 | Kingston (JAM) | 28.06.2008 | | 2009 | 52.67 | Austin, TX (USA) | 02.05.2009 | | 2011 | 51.40 | Kingston (JAM) | 26.06.2011 | | 2012 | 50.71 | Bislett Stadion, Oslo (NOR) | 07.06.2012 | | 2013 | 50.86 | Mangueirão, Belém (BRA) | 12.05.2013 | | 2014 | 51.55 | Ponce (PUR) | 17.05.2014 | | 2015 | 51.95 | Austin, TX (USA) | 11.04.2015 | | 2016 | 51.64 | Waco, TX (USA) | 23.04.2016 |
| Year | Result | Venue | Date |
|---|
| 2005 | 2:11.54 | Knoxville, TN (USA) | 09.04.2005 |
| Year | Result | Venue | Date |
|---|
| 1999 | 57.65 | Tampa, FL (USA) | 11.07.1999 | | 2000 | 58.61 | Kingston (JAM) | 13.04.2000 | | 2001 | 58.41 | Kingston (JAM) | 05.04.2001 | | 2005 | 1:01.17 | Nashville, TN (USA) | 13.05.2005 |
| Year | Result | Venue | Date |
|---|
| 2011 | 45.30 | Philadelphia, PA (USA) | 29.04.2011 |
| Year | Result | Venue | Date |
|---|
| 1998 | 3:32.29 | Parc des Sports, Annecy (FRA) | 02.08.1998 | | 2001 | 3:29.66 | Philadelphia, PA (USA) | 26.04.2001 | | 2007 | 3:29.84 | Philadelphia, PA (USA) | 28.04.2007 | | 2011 | 3:22.01 | DS, Daegu (KOR) | 02.09.2011 | | 2013 | 3:29.91 | Austin, TX (USA) | 30.03.2013 | | 2014 | 3:27.32 | Philadelphia, PA (USA) | 26.04.2014 | | 2015 | 3:26.58 | Philadelphia, PA (USA) | 25.04.2015 | | 2016 | 3:37.31 | Austin, TX (USA) | 02.04.2016 |
|
