Personal Bests| Event | Result | Wind | Venue | Date |
|---|
| 55m ind. | 6.42 | | Gainesville, FL (USA) | 13.01.2007 | | 100m | 10.49 | -1.7 | Tucson, AZ (USA) | 24.03.2007 | | 200m | 20.68 | +1.2 | Gainesville, FL (USA) | 04.04.2009 | | 200m ind. | 20.67 | | Fayetteville, AR (USA) | 12.03.2010 | | 200m ind. | 20.67 | | Fayetteville, AR (USA) | 27.02.2010 | | 300m | 32.53 | | Naimette-Xhovémont (BEL) | 16.07.2008 | | 300m ind. | 32.93 | | Boston, MA (USA) | 05.02.2011 | | 400m | 44.81 | | Gainesville, FL (USA) | 17.04.2010 | | 400m ind. | 45.61 | | Fayetteville, AR (USA) | 28.02.2010 | | 500m ind. | 1:01.67 | | Globe Arena, Stockholm (SWE) | 17.02.2016 | | 4x100m | 40.26 | | Gainesville, FL (USA) | 17.04.2010 | | 4x200m | 1:20.38 | | Gainesville, FL (USA) | 03.04.2010 | | 4x400m | 3:00.07 | | San José (CRC) | 09.08.2015 | | 4x400m ind. | 3:02.13 | | Ergo Arena, Sopot (POL) | 09.03.2014 |
| Season's BestsNo season's bests available. |
World RankingsNot ranked currently. | | Year | Result | Wind | Venue | Date |
|---|
| 2007 | 10.49 | -1.7 | Tucson, AZ (USA) | 24.03.2007 | | 2010 | 10.67 | -0.3 | Orlando, FL (USA) | 27.03.2010 | | 2012 | 11.26 | | Merritt Island, FL (USA) | 05.04.2012 |
| Year | Result | Wind | Venue | Date |
|---|
| 2006 | 21.22 | -0.7 | Indianapolis, IN (USA) | 23.06.2006 | | 2007 | 20.90 | -0.6 | Tuscaloosa, AL (USA) | 11.05.2007 | | 2008 | 21.34 | +0.1 | Coral Gables, FL (USA) | 29.03.2008 | | 2009 | 20.68 | +1.2 | Gainesville, FL (USA) | 04.04.2009 | | 2010 | 20.93 | +1.5 | Orlando, FL (USA) | 27.03.2010 | | 2011 | 20.75 | +1.8 | Orlando, FL (USA) | 26.03.2011 | | 2012 | 20.95 | +0.5 | Gainesville, FL (USA) | 21.04.2012 | | 2013 | 20.97 | +0.4 | Gainesville, FL (USA) | 20.04.2013 | | 2014 | 20.75 | -0.1 | Gainesville, FL (USA) | 04.04.2014 | | 2015 | 21.04 | +1.6 | Clermont, FL (USA) | 16.05.2015 | | 2016 | 21.00 | +1.1 | Clermont, FL (USA) | 14.05.2016 | | 2017 | 20.99 | -1.6 | Atlanta, GA (USA) | 22.04.2017 | | 2018 | 20.98 | +1.0 | Clermont, FL (USA) | 12.05.2018 |
| Year | Result | Venue | Date |
|---|
| 2006 | 33.27 | Eugene, OR (USA) | 08.08.2006 | | 2008 | 32.53 | Naimette-Xhovémont (BEL) | 16.07.2008 |
| Year | Result | Venue | Date |
|---|
| 2006 | 46.17 | Indianapolis, IN (USA) | 23.06.2006 | | 2007 | 45.52 | San Salvador (ESA) | 15.07.2007 | | 2008 | 45.07 | Barcelona (ESP) | 19.07.2008 | | 2009 | 44.96 | Gainesville, FL (USA) | 17.05.2009 | | 2010 | 44.81 | Gainesville, FL (USA) | 17.04.2010 | | 2011 | 45.26 | Hayward Field, Eugene, OR (USA) | 24.06.2011 | | 2012 | 45.12 | Stadio Guidobaldi, Rieti (ITA) | 09.09.2012 | | 2013 | 45.33 | Stade de France, Paris-St-Denis (FRA) | 06.07.2013 | | 2014 | 45.54 | Linz (AUT) | 14.07.2014 | | 2015 | 45.58 | Hayward Field, Eugene, OR (USA) | 26.06.2015 | | 2016 | 45.61 | Atlanta, GA (USA) | 04.06.2016 | | 2017 | 45.52 | Sacramento, CA (USA) | 22.06.2017 | | 2018 | 45.55 | Montverde, FL (USA) | 09.06.2018 | | 2020 | 48.80 | Pepin Rood Stadium #Un. of Tampa, Tampa, FL (USA) | 28.02.2020 |
| Year | Result | Venue | Date |
|---|
| 2010 | 40.26 | Gainesville, FL (USA) | 17.04.2010 |
| Year | Result | Venue | Date |
|---|
| 2008 | 1:22.06 | Gainesville, FL (USA) | 04.04.2008 | | 2009 | 1:21.52 | Philadelphia, PA (USA) | 25.04.2009 | | 2010 | 1:20.38 | Gainesville, FL (USA) | 03.04.2010 |
| Year | Result | Venue | Date |
|---|
| 2006 | 3:06.07 | Chaoyang Sport Center, Beijing (CHN) | 19.08.2006 | | 2007 | 3:02.78 | San Salvador (ESA) | 15.07.2007 | | 2009 | 3:02.17 | Fayetteville, AR (USA) | 13.06.2009 | | 2010 | 3:00.31 | Gainesville, FL (USA) | 03.04.2010 | | 2012 | 3:00.15 | Philadelphia, PA (USA) | 28.04.2012 | | 2013 | 3:01.93 | Austin, TX (USA) | 30.03.2013 | | 2015 | 3:00.07 | San José (CRC) | 09.08.2015 | | 2016 | 3:00.96 | Gainesville, FL (USA) | 01.04.2016 | | 2017 | 3:03.25 | Philadelphia, PA (USA) | 29.04.2017 | | 2018 | 3:04.87 | Philadelphia, PA (USA) | 28.04.2018 |
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