Personal Bests| Event | Result | Venue | Date |
|---|
| 600m ind. | 1:15.69 | Moskva (RUS) | 06.02.2011 | | 800m | 1:43.72 | Stade Louis II, Monaco (MON) | 22.07.2010 | | 800m ind. | 1:46.38 | Stockholm (SWE) | 22.02.2011 | | 1000m | 2:16.79 | Bregyó Athletic Center, Székesfehérvár (HUN) | 02.07.2018 | | 1000m ind. | 2:18.46 | National Indoor Arena, Birmingham (GBR) | 19.02.2011 | | 1500m | 3:41.63 | Dessau (GER) | 28.05.2010 | | 1500m ind. | 3:45.08 | Paris (FRA) | 13.02.2009 | | Mile | 4:02.92 | Austin, TX (USA) | 31.03.2012 | | 4x400m | 3:05.54 | Chaoyang Sport Center, Beijing (CHN) | 20.08.2006 | | 4x800m | 7:11.4h | Nairobi (KEN) | 10.04.2015 | | Distance Medley | 9:25.51 | Philadelphia, PA (USA) | 28.04.2012 |
| Season's BestsNo season's bests available. |
World RankingsNot ranked currently. | | Year | Result | Venue | Date |
|---|
| 2006 | 48.38 | Machakos (KEN) | 24.06.2006 |
| Year | Result | Venue | Date |
|---|
| 2005 | 1:48.57 | Sidi Youssef Ben Ali, Marrakech (MAR) | 15.07.2005 | | 2006 | 1:45.8h | Kasarani (KEN) | 01.07.2006 | | 2008 | 1:45.29 | Tanger (MAR) | 13.07.2008 | | 2009 | 1:44.86 | Madrid (ESP) | 04.07.2009 | | 2010 | 1:43.72 | Stade Louis II, Monaco (MON) | 22.07.2010 | | 2011 | 1:44.40 | Nairobi (KEN) | 16.07.2011 | | 2012 | 1:45.71 | FBK Stadium, Hengelo (NED) | 27.05.2012 | | 2013 | 1:46.3h | Nairobi (KEN) | 22.06.2013 | | 2014 | 1:47.1h | Nairobi (KEN) | 15.05.2014 | | 2015 | 1:44.56 | Nairobi (KEN) | 01.08.2015 | | 2016 | 1:44.0h | Eldoret (KEN) | 30.06.2016 | | 2017 | 1:45.80 | Nairobi (KEN) | 24.06.2017 | | 2018 | 1:44.73 | Nairobi (KEN) | 23.06.2018 | | 2019 | 1:46.21 | Moi International Sports Centre, Kasarani, Nairobi (KEN) | 03.07.2019 | | 2020 | 1:47.7h | Moi International Sports Centre, Kasarani, Nairobi (KEN) | 05.03.2020 | | 2021 | 1:46.08 | Nyayo National Stadium, Nairobi (KEN) | 29.05.2021 |
| Year | Result | Venue | Date |
|---|
| 2008 | 2:17.47 | Stockholm (SWE) | 22.07.2008 | | 2018 | 2:16.79 | Bregyó Athletic Center, Székesfehérvár (HUN) | 02.07.2018 |
| Year | Result | Venue | Date |
|---|
| 2006 | 3:42.6h | Khartoum (SUD) | 09.05.2006 | | 2009 | 3:44.8h | Nairobi (KEN) | 23.05.2009 | | 2010 | 3:41.63 | Dessau (GER) | 28.05.2010 | | 2015 | 3:47.95 | Mungyeong (KOR) | 08.10.2015 |
| Year | Result | Venue | Date |
|---|
| 2011 | 4:14.07 | Austin, TX (USA) | 09.04.2011 | | 2012 | 4:02.92 | Austin, TX (USA) | 31.03.2012 |
No progression. | Year | Result | Venue | Date |
|---|
| 2006 | 3:05.54 | Chaoyang Sport Center, Beijing (CHN) | 20.08.2006 |
| Year | Result | Venue | Date |
|---|
| 2015 | 7:11.4h | Nairobi (KEN) | 10.04.2015 |
| Year | Result | Venue | Date |
|---|
| 2011 | 9:31.00 | Philadelphia, PA (USA) | 30.04.2011 | | 2012 | 9:25.51 | Philadelphia, PA (USA) | 28.04.2012 |
|
