Personal Bests| Event | Result | Venue | Date |
|---|
| 800m | 1:43.15 | Stade Louis II, Monaco (MON) | 22.07.2011 | | 800m ind. | 1:47.25 | Stockholm (SWE) | 10.02.2010 | | 1000m | 2:14.23 | Stade Olympique de la Pontaise, Lausanne (SUI) | 25.08.2016 | | 1500m | 3:26.69 | Stade Louis II, Monaco (MON) | 17.07.2015 | | Mile | 3:48.50 | Eugene, OR (USA) | 07.06.2009 | | Mile ind. | 3:58.03 | MSG, New York, NY (USA) | 29.01.2010 | | 3000m | 7:42.32 | Torino (ITA) | 08.06.2007 | | Mile Road | 4:01.09 | Newcastle upon Tyne (GBR) | 06.09.2014 | | 4x1500m | 14:22.22 | T. Robinson Stadium, Nassau (BAH) | 25.05.2014 |
| Season's Bests| Event | Result | Venue | Date | T-L |
|---|
| 1500m | 3:55.1h | Ulinzi Sports Complex, Langata, Nairobi (KEN) | 02.05.2024 | |
|
World RankingsNot ranked currently. | | Year | Result | Venue | Date |
|---|
| 2012 | 1:18.0h | Bondo (KEN) | 10.03.2012 |
| Year | Result | Venue | Date |
|---|
| 2008 | 1:44.71 | Stade Olympique de la Pontaise, Lausanne (SUI) | 02.09.2008 | | 2009 | 1:43.17 | Doha (QAT) | 08.05.2009 | | 2010 | 1:43.45 | Suhaim bin Hamad Stadium, Doha (QAT) | 14.05.2010 | | 2011 | 1:43.15 | Stade Louis II, Monaco (MON) | 22.07.2011 | | 2012 | 1:45.91 | Sydney (AUS) | 18.02.2012 | | 2013 | 1:44.8h | Nairobi (KEN) | 03.05.2013 | | 2014 | 1:43.34 | Stade de France, Paris-St-Denis (FRA) | 05.07.2014 | | 2015 | 1:44.4h | Nairobi (KEN) | 21.03.2015 | | 2016 | 1:44.6h | Eldoret (KEN) | 15.04.2016 | | 2017 | 1:44.43 | Olympic Stadium, London (GBR) | 09.07.2017 |
| Year | Result | Venue | Date |
|---|
| 2015 | 2:17.38 | Mestský Stadion, Ostrava (CZE) | 26.05.2015 | | 2016 | 2:14.23 | Stade Olympique de la Pontaise, Lausanne (SUI) | 25.08.2016 |
| Year | Result | Venue | Date |
|---|
| 2007 | 3:35.24 | Yanmar Stadium Nagai, Osaka (JPN) | 29.08.2007 | | 2008 | 3:31.64 | Stadio Olimpico, Roma (ITA) | 11.07.2008 | | 2009 | 3:31.20 | Stadio Olimpico, Roma (ITA) | 10.07.2009 | | 2010 | 3:31.78 | Stadio Guidobaldi, Rieti (ITA) | 29.08.2010 | | 2011 | 3:30.46 | Stadio Guidobaldi, Rieti (ITA) | 10.09.2011 | | 2012 | 3:28.88 | Stade Louis II, Monaco (MON) | 20.07.2012 | | 2013 | 3:27.72 | Stade Louis II, Monaco (MON) | 19.07.2013 | | 2014 | 3:28.45 | Stade Louis II, Monaco (MON) | 18.07.2014 | | 2015 | 3:26.69 | Stade Louis II, Monaco (MON) | 17.07.2015 | | 2016 | 3:29.33 | Alexander Stadium, Birmingham (GBR) | 05.06.2016 | | 2017 | 3:33.17 | Olympiastadion, Stockholm (SWE) | 18.06.2017 | | 2024 | 3:55.1h | Ulinzi Sports Complex, Langata, Nairobi (KEN) | 02.05.2024 |
| Year | Result | Venue | Date |
|---|
| 2009 | 3:48.50 | Eugene, OR (USA) | 07.06.2009 | | 2010 | 3:49.56 | Bislett Stadion, Oslo (NOR) | 04.06.2010 | | 2011 | 3:49.55 | Hayward Field, Eugene, OR (USA) | 04.06.2011 | | 2012 | 3:49.22 | Bislett Stadion, Oslo (NOR) | 07.06.2012 | | 2013 | 3:49.53 | Hayward Field, Eugene, OR (USA) | 01.06.2013 | | 2014 | 3:50.26 | Hayward Field, Eugene, OR (USA) | 31.05.2014 | | 2015 | 3:51.25 | Hayward Field, Eugene, OR (USA) | 30.05.2015 | | 2016 | 3:51.48 | Bislett Stadion, Oslo (NOR) | 09.06.2016 | | 2017 | 3:58.24 | Hayward Field, Eugene, OR (USA) | 27.05.2017 |
| Year | Result | Venue | Date |
|---|
| 2007 | 7:42.32 | Torino (ITA) | 08.06.2007 | | 2008 | 8:21.24 | Réduit (MRI) | 06.04.2008 | | 2010 | 7:53.22 | Milano (ITA) | 09.09.2010 |
| Year | Result | Venue | Date |
|---|
| 2010 | 13:59.7h | Nakuru (KEN) | 03.04.2010 | | 2016 | 13:48.43 | Mumias (KEN) | 26.02.2016 |
| Year | Result | Venue | Date |
|---|
| 2013 | 4:07.12 | Gateshead (GBR) | 14.09.2013 | | 2014 | 4:01.09 | Newcastle upon Tyne (GBR) | 06.09.2014 | | 2015 | 4:08.0h | Gateshead (GBR) | 12.09.2015 |
No progression. | Year | Result | Venue | Date |
|---|
| 2014 | 14:22.22 | T. Robinson Stadium, Nassau (BAH) | 25.05.2014 |
|
