Personal Bests| Event | Result | Wind | Venue | Date |
|---|
| 100m | 11.42 | +1.7 | Los Angeles, CA (USA) | 04.05.2013 | | 200m | 23.35 | -0.1 | Palo Alto, CA (USA) | 30.03.2019 | | 400m | 50.60 | | Chorzów (POL) | 16.06.2019 | | 400m ind. | 54.07 | | Pocatello, ID (USA) | 17.02.2007 | | 500m ind. | 1:09.66 | | New York, NY (USA) | 11.02.2017 | | 600m | 1:28.85 | | Northridge, CA (USA) | 24.03.2018 | | 55mH ind. | 8.03 | | Fresno, CA (USA) | 20.01.2012 | | 60mH ind. | 8.23 | | Fayetteville, AR (USA) | 02.03.2012 | | 100mH | 13.33 | +1.9 | Austin, TX (USA) | 26.05.2012 | | 400mH | 52.16 | | Khalifa International Stadium, Doha (QAT) | 04.10.2019 | | 4x100m | 45.16 | | Los Angeles, CA (USA) | 20.03.2010 | | 4x200m | 1:36.15 | | Northridge, CA (USA) | 12.03.2010 | | 4x400m | 3:18.92 | | Khalifa International Stadium, Doha (QAT) | 06.10.2019 | | 4x400m ind. | 3:37.57 | | Fayetteville, AR (USA) | 02.03.2012 |
| Season's BestsNo season's bests available. |
World Rankings| Event | Place | Score |
|---|
| Women's 400mH | 1. | 1478 | | Women's Overall Ranking | 4. | 1478 |
| | Year | Result | Wind | Venue | Date |
|---|
| 2013 | 11.42 | +1.7 | Los Angeles, CA (USA) | 04.05.2013 |
| Year | Result | Wind | Venue | Date |
|---|
| 2005 | 24.86 | -0.3 | Greensboro, NC (USA) | 24.07.2005 | | 2006 | 24.64 | -1.0 | Greensboro, NC (USA) | 01.07.2006 | | 2007 | 24.96 | | Uniondale, NY (USA) | 10.06.2007 | | 2009 | 23.62 | +1.8 | Los Angeles, CA (USA) | 25.04.2009 | | 2014 | 24.89 | +1.6 | Pasadena, CA (USA) | 28.03.2014 | | 2016 | 23.61 | -0.6 | Palo Alto, CA (USA) | 01.04.2016 | | 2018 | 23.46 | +0.5 | Long Beach, CA (USA) | 19.04.2018 | | 2019 | 23.35 | -0.1 | Palo Alto, CA (USA) | 30.03.2019 |
| Year | Result | Venue | Date |
|---|
| 2006 | 54.89 | Greensboro, NC (USA) | 02.07.2006 | | 2013 | 52.75 | Los Angeles, CA (USA) | 06.04.2013 | | 2014 | 54.69 | Walnut, CA (USA) | 18.04.2014 | | 2016 | 52.64 | Palo Alto, CA (USA) | 01.04.2016 | | 2018 | 52.72 | Palo Alto, CA (USA) | 30.03.2018 | | 2019 | 50.60 | Chorzów (POL) | 16.06.2019 |
| Year | Result | Venue | Date |
|---|
| 2018 | 1:28.85 | Northridge, CA (USA) | 24.03.2018 |
| Year | Result | Venue | Date |
|---|
| 2011 | 2:16.06 | Fullerton, CA (USA) | 05.03.2011 | | 2015 | 2:14.90 | Claremont, CA (USA) | 04.04.2015 |
| Year | Result | Wind | Venue | Date |
|---|
| 2009 | 13.79 | +0.7 | Eugene, OR (USA) | 17.05.2009 | | 2010 | 13.88 | +1.9 | Los Angeles, CA (USA) | 01.05.2010 | | 2012 | 13.33 | +1.9 | Austin, TX (USA) | 26.05.2012 | | 2013 | 13.34 | +0.8 | Los Angeles, CA (USA) | 06.04.2013 | | 2016 | 13.43 | +0.6 | Palo Alto, CA (USA) | 01.04.2016 |
No progression. | Year | Result | Venue | Date |
|---|
| 2005 | 1:01.26 | Indianapolis, IN (USA) | 31.07.2005 | | 2006 | 58.75 | Baltimore, MD (USA) | 30.07.2006 | | 2007 | 57.09 | Greensboro, NC (USA) | 16.06.2007 | | 2008 | 57.81 | Buffalo, NY (USA) | 14.06.2008 | | 2009 | 56.49 | Fayetteville, AR (USA) | 11.06.2009 | | 2010 | 57.14 | Berkeley, CA (USA) | 16.05.2010 | | 2011 | 56.04 | Des Moines, IA (USA) | 08.06.2011 | | 2012 | 56.19 | Des Moines, IA (USA) | 06.06.2012 | | 2013 | 53.83 | Drake Stadium, Des Moines, IA (USA) | 23.06.2013 | | 2014 | 58.02 | Hamad Bin Suhaim, Doha (QAT) | 09.05.2014 | | 2015 | 55.76 | Los Angeles, CA (USA) | 09.05.2015 | | 2016 | 52.88 | Hayward Field, Eugene, OR (USA) | 10.07.2016 | | 2017 | 52.64 | Sacramento, CA (USA) | 25.06.2017 | | 2018 | 53.65 | Bislett, Oslo (NOR) | 07.06.2018 | | 2019 | 52.16 | Khalifa International Stadium, Doha (QAT) | 04.10.2019 |
| Year | Result | Venue | Date |
|---|
| 2009 | 1.70 | Los Angeles, CA (USA) | 02.05.2009 | | 2010 | 1.75 | Claremont, CA (USA) | 10.04.2010 | | 2011 | 1.70 | Los Angeles, CA (USA) | 23.04.2011 |
| Year | Result | Venue | Date |
|---|
| 2010 | 45.16 | Los Angeles, CA (USA) | 20.03.2010 |
| Year | Result | Venue | Date |
|---|
| 2010 | 1:36.15 | Northridge, CA (USA) | 12.03.2010 |
| Year | Result | Venue | Date |
|---|
| 2007 | 2:08.38 | Ostrava (CZE) | 14.07.2007 |
| Year | Result | Venue | Date |
|---|
| 2010 | 3:33.22 | Austin, TX (USA) | 29.05.2010 | | 2011 | 3:40.52 | Tucson, AZ (USA) | 14.05.2011 | | 2012 | 3:41.03 | Los Angeles, CA (USA) | 29.04.2012 | | 2019 | 3:18.92 | Khalifa International Stadium, Doha (QAT) | 06.10.2019 |
|
