Personal Bests| Event | Result | Wind | Venue | Date |
|---|
| 55m ind. | 6.91 | | Gainesville, FL (USA) | 24.01.2009 | | 60m ind. | 7.28 | | Lexington, KY (USA) | 01.03.2009 | | 100m | 11.02 | +2.0 | Sacramento, CA (USA) | 27.06.2014 | | 200m | 22.27 | +1.3 | Gainesville, FL (USA) | 04.04.2014 | | 200m ind. | 23.21 | | Boston, MA (USA) | 26.01.2018 | | 300m ind. | 36.18 | | Albuquerque, NM (USA) | 04.03.2017 | | 400m | 50.39 | | Fayetteville, AR (USA) | 13.06.2009 | | 400m ind. | 51.13 | | Albuquerque, NM (USA) | 23.02.2014 | | 4x100m | 43.06 | | Gainesville, FL (USA) | 30.03.2019 | | 4x200m | 1:31.19 | | Philadelphia, PA (USA) | 25.04.2009 | | 4x400m | 3:21.73 | | T. Robinson Stadium, Nassau (BAH) | 25.05.2014 | | 4x400m ind. | 3:24.83 | | Ergo Arena, Sopot (POL) | 09.03.2014 | | 4x400m | 3:16.43 | | International Stadium, Yokohama (JPN) | 12.05.2019 |
| Season's BestsNo season's bests available. |
World RankingsNot ranked currently. | | Year | Result | Wind | Venue | Date |
|---|
| 2007 | 11.67 | +1.1 | Atlanta, GA (USA) | 19.05.2007 | | 2008 | 11.39 | +1.1 | Auburn, AL (USA) | 05.04.2008 | | 2009 | 11.34 | +1.6 | Gainesville, FL (USA) | 16.05.2009 | | 2010 | 11.32 | +1.6 | Lapinlahti (FIN) | 18.07.2010 | | 2011 | 11.30 | +2.0 | Rethymno (GRE) | 13.07.2011 | | 2014 | 11.02 | +2.0 | Sacramento, CA (USA) | 27.06.2014 | | 2016 | 11.09 | +1.6 | Montverde, FL (USA) | 11.06.2016 | | 2017 | 11.27 | +1.2 | New York, NY (USA) | 06.07.2017 | | 2018 | 11.37 | +1.3 | Cork (IRL) | 16.07.2018 | | 2019 | 11.54 | +0.1 | Gainesville, FL (USA) | 29.03.2019 | | 2021 | 11.50 | +2.0 | Cregger Track, Columbia, SC (USA) | 10.04.2021 | | 2022 | 11.56 | 0.0 | Cheney Stadium, Atlanta, GA (USA) | 09.04.2022 |
| Year | Result | Wind | Venue | Date |
|---|
| 2004 | 24.49 | +0.4 | Eugene, OR (USA) | 29.07.2004 | | 2005 | 24.02 | 0.0 | Knoxville, TN (USA) | 02.07.2005 | | 2006 | 23.71 | +0.9 | Baltimore, MD (USA) | 30.07.2006 | | 2007 | 24.88 | +1.2 | Auburn, AL (USA) | 21.04.2007 | | 2008 | 23.30 | +1.3 | Auburn, AL (USA) | 05.04.2008 | | 2009 | 22.89 | +1.1 | Tempe, AZ (USA) | 11.04.2009 | | 2010 | 23.32 | -3.1 | Lappeenranta (FIN) | 15.07.2010 | | 2011 | 22.68 | +1.6 | Rethymno (GRE) | 13.07.2011 | | 2012 | 23.10 | +1.0 | Hayward Field, Eugene, OR (USA) | 28.06.2012 | | 2013 | 23.27 | -0.5 | Atlanta, GA (USA) | 11.05.2013 | | 2014 | 22.27 | +1.3 | Gainesville, FL (USA) | 04.04.2014 | | 2016 | 22.40 | +1.4 | Clermont, FL (USA) | 14.05.2016 | | 2017 | 22.74 | -0.3 | Gainesville, FL (USA) | 28.04.2017 | | 2018 | 22.62 | +1.7 | Clermont, FL (USA) | 28.04.2018 | | 2019 | 24.03 | -0.5 | Atlanta, GA (USA) | 16.03.2019 | | 2021 | 23.35 | +2.0 | Cregger Track, Columbia, SC (USA) | 10.04.2021 |
No progression. | Year | Result | Venue | Date |
|---|
| 2004 | 56.12 | Eugene, OR (USA) | 30.07.2004 | | 2005 | 54.32 | Knoxville, TN (USA) | 03.07.2005 | | 2006 | 54.17 | Baltimore, MD (USA) | 30.07.2006 | | 2007 | 54.03 | Walnut, CA (USA) | 29.07.2007 | | 2008 | 52.94 | Tempe, AZ (USA) | 12.04.2008 | | 2009 | 50.39 | Fayetteville, AR (USA) | 13.06.2009 | | 2010 | 51.52 | Greensboro, NC (USA) | 28.05.2010 | | 2011 | 51.50 | Des Moines, IA (USA) | 10.06.2011 | | 2012 | 51.12 | Atlanta, GA (USA) | 12.05.2012 | | 2013 | 50.77 | Drake Stadium, Des Moines, IA (USA) | 22.06.2013 | | 2014 | 50.74 | Edmonton (CAN) | 06.07.2014 | | 2016 | 52.39 | Gainesville, FL (USA) | 22.04.2016 | | 2018 | 51.80 | Gainesville, FL (USA) | 13.04.2018 | | 2019 | 51.60 | Drake Stadium, Des Moines, IA (USA) | 25.07.2019 | | 2021 | 52.89 | Hayward Field, Eugene, OR (USA) | 18.06.2021 | | 2022 | 54.51 | Powder Springs, GA (USA) | 05.06.2022 |
No progression. | Year | Result | Venue | Date |
|---|
| 2010 | 43.38 | Auburn, AL (USA) | 03.04.2010 | | 2011 | 43.80 | Auburn, AL (USA) | 02.04.2011 | | 2019 | 43.06 | Gainesville, FL (USA) | 30.03.2019 |
| Year | Result | Venue | Date |
|---|
| 2009 | 1:31.19 | Philadelphia, PA (USA) | 25.04.2009 | | 2010 | 1:31.59 | Philadelphia, PA (USA) | 24.04.2010 | | 2011 | 1:31.84 | Philadelphia, PA (USA) | 29.04.2011 |
| Year | Result | Venue | Date |
|---|
| 2010 | 3:33.16 | Knoxville, TN (USA) | 16.05.2010 | | 2011 | 3:26.46 | Des Moines, IA (USA) | 11.06.2011 | | 2013 | 3:25.18 | Luzhniki Stadion, Moskva (RUS) | 16.08.2013 | | 2014 | 3:21.73 | T. Robinson Stadium, Nassau (BAH) | 25.05.2014 | | 2017 | 3:29.27 | T. Robinson Stadium, Nassau (BAH) | 22.04.2017 | | 2018 | 3:30.23 | Gainesville, FL (USA) | 31.03.2018 | | 2019 | 3:25.72 | International Stadium, Yokohama (JPN) | 11.05.2019 |
|
