Personal Bests| Event | Result | Wind | Venue | Date |
|---|
| 55m ind. | 7.08 | | New York, NY (USA) | 10.02.2002 | | 60m ind. | 7.26 | | Houston, TX (USA) | 18.01.2013 | | 100m | 11.24 | +1.8 | Walnut, CA (USA) | 20.04.2013 | | 150m | 17.70 | -1.4 | PVAMU Track Stadium, Prairie View, TX (USA) | 23.07.2020 | | 200m | 22.57 | +0.3 | Nassau (BAH) | 16.04.2016 | | 200m ind. | 23.22 | | University Park, PA (USA) | 15.01.2011 | | 300m | 36.51 | | PVAMU Track Stadium, Prairie View, TX (USA) | 23.07.2020 | | 300m ind. | 36.25 | | Reggie Lewis Center, Boston, MA (USA) | 14.02.2016 | | 400m | 49.84 | | Indianapolis, IN (USA) | 23.06.2007 | | 400m ind. | 50.80 | | Fayetteville, AR (USA) | 10.03.2007 | | 500m ind. | 1:10.05 | | New York, NY (USA) | 26.12.2004 | | 4x100m | 42.85 | | Walnut, CA (USA) | 20.04.2008 | | 4x200m | 1:31.56 | | Philadelphia, PA (USA) | 28.04.2007 | | Sprint Medley 1000m | 2:03.87 | | Sherbrooke (CAN) | 13.07.2003 | | 4x400m | 3:19.06 | | Estádio Olímpico, Rio de Janeiro (BRA) | 20.08.2016 | | 4x400m ind. | 3:24.83 | | Ergo Arena, Sopot (POL) | 09.03.2014 | | Sprint Medley 1600m | 3:38.53 | | Philadelphia, PA (USA) | 24.04.2010 |
| Season's BestsNo season's bests available. |
World RankingsNot ranked currently. | | Year | Result | Wind | Venue | Date |
|---|
| 2004 | 11.61 | -0.2 | Orlando, FL (USA) | 05.06.2004 | | 2010 | 11.40 | +2.0 | Athens, GA (USA) | 10.04.2010 | | 2011 | 11.56 | +1.4 | Columbia, SC (USA) | 26.03.2011 | | 2012 | 11.38 | +0.1 | Clermont, FL (USA) | 09.06.2012 | | 2013 | 11.24 | +1.8 | Walnut, CA (USA) | 20.04.2013 | | 2014 | 11.35 | +0.8 | Walnut, CA (USA) | 19.04.2014 |
| Year | Result | Wind | Venue | Date |
|---|
| 2020 | 17.70 | -1.4 | PVAMU Track Stadium, Prairie View, TX (USA) | 23.07.2020 |
| Year | Result | Wind | Venue | Date |
|---|
| 2001 | 24.13 | | Decatur, IL (USA) | 06.07.2001 | | 2002 | 24.47 | +0.2 | Arcadia, CA (USA) | 13.04.2002 | | 2003 | 24.12 | -1.5 | Palo Alto, CA (USA) | 21.06.2003 | | 2004 | 23.66 | 0.0 | Raleigh, NC (USA) | 19.06.2004 | | 2006 | 25.26 | +0.8 | Lake Buena Vista, FL (USA) | 24.03.2006 | | 2007 | 22.61 | +1.0 | Gainesville, FL (USA) | 25.05.2007 | | 2008 | 23.15 | +2.0 | Walnut, CA (USA) | 20.04.2008 | | 2009 | 23.06 | | San Diego, CA (USA) | 14.06.2009 | | 2010 | 22.97 | +1.4 | Greensboro, NC (USA) | 17.04.2010 | | 2011 | 22.77 | +1.7 | Gainesville, FL (USA) | 01.04.2011 | | 2012 | 22.93 | +0.6 | Hayward Field, Eugene, OR (USA) | 29.06.2012 | | 2013 | 22.89 | +1.8 | Gainesville, FL (USA) | 05.04.2013 | | 2014 | 23.06 | -0.5 | Icahn Stadium, New York, NY (USA) | 14.06.2014 | | 2015 | 22.76 | +0.2 | Austin, TX (USA) | 11.04.2015 | | 2016 | 22.57 | +0.3 | Nassau (BAH) | 16.04.2016 | | 2021 | 23.09 | +1.3 | Prairie View, TX (USA) | 06.06.2021 |
No progression. No progression. | Year | Result | Venue | Date |
|---|
| 2020 | 36.51 | PVAMU Track Stadium, Prairie View, TX (USA) | 23.07.2020 |
| Year | Result | Venue | Date |
|---|
| 2001 | 55.06 | Arcadia, CA (USA) | 14.04.2001 | | 2002 | 53.42 | Arcadia, CA (USA) | 13.04.2002 | | 2003 | 52.09 | Palo Alto, CA (USA) | 22.06.2003 | | 2004 | 52.04 | Stadio Zecchini, Grosseto (ITA) | 15.07.2004 | | 2005 | 51.34 | Carson, CA (USA) | 25.06.2005 | | 2006 | 51.45 | Sacramento, CA (USA) | 09.06.2006 | | 2007 | 49.84 | Indianapolis, IN (USA) | 23.06.2007 | | 2008 | 50.80 | Doha (QAT) | 09.05.2008 | | 2009 | 50.89 | Eugene, OR (USA) | 27.06.2009 | | 2010 | 50.53 | Drake Stadium, Des Moines, IA (USA) | 26.06.2010 | | 2011 | 50.97 | Ponce (PUR) | 14.05.2011 | | 2012 | 50.72 | Ponce (PUR) | 12.05.2012 | | 2013 | 49.94 | Drake Stadium, Des Moines, IA (USA) | 22.06.2013 | | 2014 | 50.53 | Sacramento, CA (USA) | 28.06.2014 | | 2015 | 50.24 | Olympic Stadium, London (GBR) | 24.07.2015 | | 2016 | 49.90 | Estádio Olímpico, Rio de Janeiro (BRA) | 14.08.2016 | | 2017 | 50.14 | Sacramento, CA (USA) | 24.06.2017 | | 2020 | 53.62 | PVAMU Track Stadium, Prairie View, TX (USA) | 06.08.2020 | | 2021 | 51.45 | Prairie View, TX (USA) | 06.06.2021 | | 2022 | 54.76 | University of North Florda Jax Track at Hodges Stadium, Jacksonville, FL (USA) | 21.05.2022 |
No progression. | Year | Result | Venue | Date |
|---|
| 2008 | 42.85 | Walnut, CA (USA) | 20.04.2008 | | 2012 | 43.13 | Austin, TX (USA) | 31.03.2012 | | 2013 | 46.41 | Arlington, TX (USA) | 23.03.2013 | | 2014 | 43.45 | Walnut, CA (USA) | 19.04.2014 |
| Year | Result | Venue | Date |
|---|
| 2007 | 1:31.56 | Philadelphia, PA (USA) | 28.04.2007 |
| Year | Result | Venue | Date |
|---|
| 2003 | 2:03.87 | Sherbrooke (CAN) | 13.07.2003 |
| Year | Result | Venue | Date |
|---|
| 2004 | 3:27.60 | Stadio Zecchini, Grosseto (ITA) | 18.07.2004 | | 2007 | 3:23.37 | Yanmar Stadium Nagai, Osaka (JPN) | 01.09.2007 | | 2008 | 3:22.16 | Philadelphia, PA (USA) | 26.04.2008 | | 2009 | 3:23.08 | Philadelphia, PA (USA) | 25.04.2009 | | 2010 | 3:28.48 | Philadelphia, PA (USA) | 24.04.2010 | | 2011 | 3:22.92 | Philadelphia, PA (USA) | 30.04.2011 | | 2012 | 3:21.18 | Philadelphia, PA (USA) | 28.04.2012 | | 2013 | 3:20.41 | Luzhniki Stadion, Moskva (RUS) | 17.08.2013 | | 2014 | 3:21.73 | T. Robinson Stadium, Nassau (BAH) | 25.05.2014 | | 2015 | 3:19.39 | T. Robinson Stadium, Nassau (BAH) | 03.05.2015 | | 2016 | 3:19.06 | Estádio Olímpico, Rio de Janeiro (BRA) | 20.08.2016 | | 2017 | 3:21.66 | Olympic Stadium, London (GBR) | 12.08.2017 |
| Year | Result | Venue | Date |
|---|
| 2010 | 3:38.53 | Philadelphia, PA (USA) | 24.04.2010 |
|
