Personal Bests| Event | Result | Venue | Date |
|---|
| 400m | 46.81 | Fayetteville, AR (USA) | 31.03.2012 | | 500m ind. | 1:01.72 | Globe Arena, Stockholm (SWE) | 17.02.2016 | | 600m | 1:15.06 | Alexander Stadium, Birmingham (GBR) | 05.06.2016 | | 600m ind. | 1:15.07 | Albuquerque, NM (USA) | 05.03.2017 | | 800m | 1:44.58 | Walnut, CA (USA) | 19.04.2014 | | 800m ind. | 1:45.69 | Randal Tyson Indoor Center, Fayetteville, AR (USA) | 31.01.2021 | | 1000m | 2:20.29 | Linz (AUT) | 14.07.2014 | | 1000m ind. | 2:18.63 | New York, NY (USA) | 15.02.2014 | | 1500m | 3:44.82 | Torrance, CA (USA) | 20.04.2018 | | Mile | 4:01.44 | Des Moines, IA (USA) | 28.04.2018 | | 4x100m | 40.35 | Lantos Mihály Sportközpont, Budapest (HUN) | 24.08.2021 | | 4x400m | 3:05.61 | Eugene, OR (USA) | 12.06.2010 | | 4x400m ind. | 3:07.16 | College Station, TX (USA) | 12.03.2011 | | 4x800m | 7:04.84 | T. Robinson Stadium, Nassau (BAH) | 02.05.2015 | | 4x800m ind. | 7:13.11 | Reggie Lewis Center, Boston, MA (USA) | 08.02.2014 | | Distance Medley | 9:41.59 | Des Moines, IA (USA) | 28.04.2012 | | Distance Medley ind. | 9:19.93 | New York, NY (USA) | 31.01.2015 |
| Season's BestsNo season's bests available. |
World RankingsNot ranked currently. | | Year | Result | Venue | Date |
|---|
| 2010 | 47.72 | Fayetteville, AR (USA) | 27.03.2010 | | 2011 | 47.27 | Auburn, AL (USA) | 16.04.2011 | | 2012 | 46.81 | Fayetteville, AR (USA) | 31.03.2012 | | 2013 | 47.68 | Macomb, IL (USA) | 13.04.2013 | | 2014 | 47.40 | Iowa City, IA (USA) | 03.05.2014 |
| Year | Result | Venue | Date |
|---|
| 2008 | 1:54.29 | Veterans Memorial Stadium, La Crosse, WI (USA) | 30.05.2008 | | 2009 | 1:51.10 | Fayetteville, AR (USA) | 18.04.2009 | | 2010 | 1:48.00 | Austin, TX (USA) | 28.05.2010 | | 2011 | 1:47.71 | Indianapolis, IN (USA) | 18.06.2011 | | 2012 | 1:45.90 | Des Moines, IA (USA) | 08.06.2012 | | 2013 | 1:45.21 | Drake Stadium, Des Moines, IA (USA) | 23.06.2013 | | 2014 | 1:44.58 | Walnut, CA (USA) | 19.04.2014 | | 2015 | 1:44.84 | Hayward Field, Eugene, OR (USA) | 28.06.2015 | | 2016 | 1:45.35 | Olympic Stadium, London (GBR) | 22.07.2016 | | 2017 | 1:44.66 | New York, NY (USA) | 06.07.2017 | | 2018 | 1:45.07 | FBK Stadium, Hengelo (NED) | 03.06.2018 | | 2019 | 1:46.07 | Washington, DC (USA) | 13.07.2019 | | 2020 | 1:46.81 | Suhaim bin Hamad Stadium, Doha (QAT) | 25.09.2020 | | 2021 | 1:45.47 | Hayward Field, Eugene, OR (USA) | 18.06.2021 | | 2022 | 1:45.50 | Icahn Stadium, New York, NY (USA) | 12.06.2022 | | 2023 | 1:46.98 | Icahn Stadium, New York, NY (USA) | 24.06.2023 |
| Year | Result | Venue | Date |
|---|
| 2010 | 3:05.61 | Eugene, OR (USA) | 12.06.2010 | | 2011 | 3:05.64 | Des Moines, IA (USA) | 10.06.2011 | | 2012 | 3:05.77 | Madison, WI (USA) | 13.05.2012 | | 2014 | 3:14.16 | Iowa City, IA (USA) | 03.05.2014 |
| Year | Result | Venue | Date |
|---|
| 2011 | 7:23.77 | Des Moines, IA (USA) | 29.04.2011 | | 2015 | 7:04.84 | T. Robinson Stadium, Nassau (BAH) | 02.05.2015 | | 2017 | 7:13.16 | T. Robinson Stadium, Nassau (BAH) | 23.04.2017 |
| Year | Result | Venue | Date |
|---|
| 2012 | 9:41.59 | Des Moines, IA (USA) | 28.04.2012 |
|
