| |
| 400m |
| Outdoor Alltime
Show/hide |
| |
| 2007 |
| Outdoor |
| 47.8hA | 1h | | Kitale | 25 May |
| 47.1hA | 1 | | Kitale | 26 May |
| 47.5hA? | 1h | | Kakamega | 8 Jun |
| 47.3hA | 1 | | Kakamega | 9 Jun |
| 46.2hA | 1 | | Nairobi | 13 Jun |
| 2010 |
| Outdoor |
| 46.5h | 1 | Norman | Melbourne | 20 Feb |
| 45.50 | 3 | Classic | Sydney | 27 Feb |
| 2012 |
| Outdoor |
| 45.82 | 2 | Classic | Sydney | 18 Feb |
| 2013 |
| Outdoor |
| 45.2hA | 1 | | Nairobi | 3 May |
| 2016 |
| Outdoor |
| 47.17+ | 1 | Diamond | Birmingham | 5 Jun |
|
| 2010
45.50w | 3 | Sydney | 27 Feb | |
| 2012
45.82w | 2 | Sydney | 18 Feb | |
| 2016
47.17+w | 1 | Birmingham | 5 Jun | |
| |
| 600m |
| Outdoor Alltime
Show/hide |
| |
| 2014 |
| Outdoor |
| 1:13.71 | 1 | Sainsbury's | Birmingham | 24 Aug |
| 2015 |
| Outdoor |
| DNF | | GSpike | Ostrava | 26 May |
| 2016 |
| Outdoor |
| 1:13.10 AR | 1 | Diamond | Birmingham | 5 Jun |
|
| 2014
1:13.71w | 1 | Birmingham | 24 Aug | |
| 2016
1:13.10w AR | 1 | Birmingham | 5 Jun | |
| |
| 500m Road |
| Outdoor Alltime
Show/hide |
| |
| 2016 |
| Outdoor |
| 57.69 | 1 | | Gateshead | 10 Sep |
|
| 2016
57.69 w | 1 | Gateshead | 10 Sep | |
| |
| 800m |
| Outdoor Alltime
Show/hide |
| 3 World Records |
| races under 1:45.00: 67 |
| 2006 |
| Outdoor |
| 1:46.3hA | 6 | | Nairobi | 1 Jul |
| 1:49.12 | 1h1-19 | WJ | Beijing | 15 Aug |
| 1:47.24 | 1s3-19 | WJ | Beijing | 16 Aug |
| 1:47.40 | 1-19 | WJ | Beijing | 18 Aug |
| 2007 |
| Outdoor |
| races under 1:45.00: 1 |
| 1:48.8hA | 1 | | Eldoret | 4 May |
| 1:45.63 | 6 | GP | Doha | 11 May |
| 1:48.0hA? | 1 | | Tambach | 19 May |
| 1:57.0hA? | 1h | | Kitale | 25 May |
| 1:49.9hA | 1 | | Kitale | 26 May |
| 1:53.0hA? | 1h | | Kakamega | 8 Jun |
| 1:48.5hA | 1 | | Kakamega | 9 Jun |
| 1:47.3hA | 1 | | Nairobi | 14 Jun |
| 1:45.10 | 1 | MAI-galan | Malmö/S | 2 Jul |
| 1:45.82 | 1r2 | Athletissima | Lausanne | 10 Jul |
| 1:48.09 | 1h1-19 | AfrC | Ouagadougou | 11 Aug |
| 1:46.41 | 1-19 | AfrC | Ouagadougou | 12 Aug |
| 1:45.51 | 1 | WK | Zürich | 7 Sep |
| 1:44.15 | 1 | VD | Bruxelles | 14 Sep |
| 2008 |
| Outdoor |
| races under 1:45.00: 5 |
| 1:47.0hA | 1 | | Nakuru | 12 Apr |
| 1:47.9hA | 1h2 | AfrC Tr | Nairobi | 19 Apr |
| 1:44.38A | 1 | AfrC Tr | Nairobi | 19 Apr |
| 1:52.93A | 1h2 | AfrC | Addis Ababa | 30 Apr |
| 1:48.82A | 1s2 | AfrC | Addis Ababa | 1 May |
| 1:44.20A | 1 | AfrC | Addis Ababa | 2 May |
| 1:44.36 | 1 | GP | Doha | 9 May |
| 1:43.72 | 2 | Bislett | Oslo | 6 Jun |
| 1:44.47 | 2 | GSpike | Ostrava | 12 Jun |
| 2009 |
| Outdoor |
| races under 1:45.00: 6 |
| 1:44.78 | 4 | Super GP | Doha | 8 May |
| 1:43.53 | 3 | FBKG | Hengelo | 1 Jun |
| 1:44.09 | 1 | GSpike | Ostrava | 17 Jun |
| 1:47.1hA | 1 | NC | Nairobi | 27 Jun |
| 1:47.00A | 1 | WC Tr | Nairobi | 25 Jul |
| 1:47.83 | 1h6 | WC | Berlin | 20 Aug |
| 1:45.40 | 3s3 | WC | Berlin | 21 Aug |
| 1:43.52 | 1 | WK | Zürich | 28 Aug |
| 1:45.80 | 1 | VD | Bruxelles | 4 Sep |
| 1:42.01 AR | 1 | Rieti 2009 | Rieti | 6 Sep |
| 1:44.85 | 1 | WAF | Thessaloníki | 12 Sep |
| 2010 |
| Outdoor |
| races under 1:45.00: 12 |
| 1:43.15 | 1 | Classic | Melbourne | 4 Mar |
| 1:43.00 | 1 | Diamond | Doha | 14 May |
| 1:44.03 | 1 | GSpike | Ostrava | 27 May |
| 1:42.04 | 1 | Bislett | Oslo | 4 Jun |
| 1:46.1hA | 1h4 | NC | Nairobi | 24 Jun |
| 1:45.51A | 1s1 | NC | Nairobi | 25 Jun |
| 1:44.23A | 1 | NC | Nairobi | 26 Jun |
| 1:43.25 | 1 | Athl | Lausanne | 8 Jul |
| 1:41.51 AR | 1 | KBC-Nacht | Heusden | 10 Jul |
| 1:50.51A | 1h2 | AfrC | Nairobi | 28 Jul |
| 1:46.58A | 1s2 | AfrC | Nairobi | 29 Jul |
| 1:42.84A | 1 | AfrC | Nairobi | 30 Jul |
| 1:41.09 WR | 1 | ISTAF | Berlin | 22 Aug |
| 1:43.50 | 1 | VD | Bruxelles | 27 Aug |
| 1:41.01 WR | 1 | Rieti 2010 | Rieti | 29 Aug |
| 1:43.37 | 1 | Cont Cup | Split | 5 Sep |
| 2011 |
| Outdoor |
| races under 1:45.00: 12 |
| 1:43.88 | 1 | Classic | Melbourne | 3 Mar |
| 1:44.80 | 1 | Classic | Sydney | 19 Mar |
| 1:43.46 | 1 | Stanislas | Tomblaine | 24 Jun |
| 1:44.15 | 1 | Athletissima | Lausanne | 30 Jun |
| 1:46.7hA | 1h5 | NC | Nairobi | 14 Jul |
| 1:45.3hA | 1s2 | NC | Nairobi | 15 Jul |
| 1:43.76A | 1 | NC | Nairobi | 16 Jul |
| 1:42.61 | 1 | Herc | Monaco | 22 Jul |
| 1:42.91 | 1 | Aviva | London | 5 Aug |
| 1:46.29 | 1h4 | WC | Daegu | 27 Aug |
| 1:44.20 | 1s3 | WC | Daegu | 28 Aug |
| 1:43.91 | 1 | WC | Daegu | 30 Aug |
| 1:41.33 | 1 | Rieti 2011 | Rieti | 10 Sep |
| 1:43.96 | 1 | VD | Bruxelles | 16 Sep |
| 1:43.57 | 2 | Notturna | Milano | 18 Sep |
| 2012 |
| Outdoor |
| 1 World Record |
| races under 1:45.00: 9 |
| 1:44.33 | 1 | Classic | Melbourne | 3 Mar |
| 1:43.10 | 1 | Diamond | Doha | 11 May |
| 1:41.74 | 1 | Diamond | New York NY | 9 Jun |
| 1:44.1hA | 1h1 | OT | Nairobi | 21 Jun |
| 1:42.12A | 1 | OT | Nairobi | 23 Jun |
| 1:41.54 | 1 | Areva | Saint-Denis | 6 Jul |
| 1:45.90 | 1h2 | OG | London | 6 Aug |
| 1:44.35 | 1s2 | OG | London | 7 Aug |
| 1:40.91 WR | 1 | OG | London | 9 Aug |
| 1:42.81 | 2 | WK | Zürich | 30 Aug |
| 2013 |
| Outdoor |
| races under 1:45.00: 1 |
| 1:43.87 | 1 | Diamond | Doha | 10 May |
| 1:45.14 | 1 | adidas | New York NY | 25 May |
| 2014 |
| Outdoor |
| races under 1:45.00: 5 |
| 1:44.87 | 7 | Pre | Eugene OR | 31 May |
| 1:44.63 | 1 | adidas | New York NY | 14 Jun |
| 1:43.34 | 1 | Sainsbury's | Glasgow | 12 Jul |
| 1:42.98 | 5 | Herc | Monaco | 18 Jul |
| 1:46.89 | 1h1 | CWG | Glasgow | 29 Jul |
| 1:46.61 | 1s1 | CWG | Glasgow | 30 Jul |
| 1:45.48 | 2 | CWG | Glasgow | 31 Jul |
| 1:43.96 | 3 | WK | Zürich | 28 Aug |
| 2015 |
| Outdoor |
| races under 1:45.00: 6 |
| 1:45.01 | 1 | Classic | Sydney | 14 Mar |
| 1:44.94 | 1 | World Chall | Melbourne | 21 Mar |
| 1:43.58 | 1 | adidas | New York NY | 13 Jun |
| 1:43.76 | 2 | Athletissima | Lausanne | 9 Jul |
| 1:44.67 | 2 | Sainsbury's | London | 25 Jul |
| 1:44.2hA | 1s2 | WC Tr | Nairobi | 31 Jul |
| 1:43.89A | 2 | WC Tr | Nairobi | 1 Aug |
| 1:48.31 | 1h6 | WC | Beijing | 22 Aug |
| 1:47.70 | 1s2 | WC | Beijing | 23 Aug |
| 1:45.84 | 1 | WC | Beijing | 25 Aug |
| 1:45.91 | 4 | WK | Zürich | 3 Sep |
| 2016 |
| Outdoor |
| races under 1:45.00: 8 |
| 1:44.78 | 1 | World Chall | Melbourne | 5 Mar |
| 1:44.89 | 1 | Classic | Perth | 12 Mar |
| 1:46.24 | 5 | Diamond | Shanghai | 14 May |
| 1:45.69 | 4 | Bauhaus | Stockholm/S | 16 Jun |
| 1:43.4hA | 1h3 | OT | Eldoret | 30 Jun |
| 1:44.23A | 3 | OT | Eldoret | 1 Jul |
| 1:43.35 | 1 | Gyulai | Székesfehérvár | 18 Jul |
| 1:45.09 | 1h3 | OG | Rio de Janeiro | 12 Aug |
| 1:43.88 | 1s3 | OG | Rio de Janeiro | 13 Aug |
| 1:42.15 | 1 | OG | Rio de Janeiro | 15 Aug |
| 1:43.31 | 1 | ISTAF | Berlin | 3 Sep |
| 2017 |
| Outdoor |
| races under 1:45.00: 2 |
| 1:45.36 | 4 | Diamond | Shanghai | 13 May |
| 1:44.90 | 2 | | Kingston | 10 Jun |
| 1:44.90 | 1 | Gyulai | Székesfehérvár | 4 Jul |
|
| 2006
1:46.3hAw | 6 | Nairobi | 1 Jul | |
| 2007
1:44.15w | 1 | Bruxelles | 14 Sep | |
| 2008
1:43.72w | 2 | Oslo | 6 Jun | |
| 2009
1:42.01w AR | 1 | Rieti | 6 Sep | |
| 2010
1:41.01w WR | 1 | Rieti | 29 Aug | |
| 2011
1:41.33w | 1 | Rieti | 10 Sep | |
| 2012
1:40.91w WR | 1 | London | 9 Aug | |
| 2013
1:43.87w | 1 | Doha | 10 May | |
| 2014
1:42.98w | 5 | Monaco | 18 Jul | |
| 2015
1:43.58w | 1 | New York NY | 13 Jun | |
| 2016
1:42.15w | 1 | Rio de Janeiro | 15 Aug | |
| 2017
1:44.90w | 2 | Kingston | 10 Jun | |
| |
| 1000m |
| Outdoor Alltime
Show/hide |
| |
| 2017 |
| Outdoor |
| 2:19.43 | 3 | GSpike | Ostrava | 28 Jun |
|
| 2017
2:19.43w | 3 | Ostrava | 28 Jun | |
| |
| 4 x 400m |
| Outdoor Alltime
Show/hide |
| |
| 2006 |
| Outdoor |
| 3:05.72 NJR | 2h3-19 | WJ | Beijing | 19 Aug |
| 3:05.54 NU20R | 4-19 | WJ | Beijing | 20 Aug |
|
| 2006
3:05.54w NU20R | 4-19 | Beijing | 20 Aug | |