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Personal Bests| Event | Result | Venue | Date |
|---|
| 400m | 45.50 | Sydney (AUS) | 27.02.2010 | | 800m | 1:41.01 | Rieti (ITA) | 29.08.2010 |
| Season's Bests| Event | Result | Venue | Date | T-L |
|---|
| 800m | 1:41.33 | Rieti (ITA) | 10.09.2011 | 1 |
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World Rankings| Event | Place | Score |
|---|
| Men's 800m | 1. | 1415 | | Men's Overall Ranking | 4. | 1415 |
| | Year | Result | Venue | Date |
|---|
| 2007 | 46.2h | Nairobi (KEN) | 13.06.2007 | | 2010 | 45.50 | Sydney (AUS) | 27.02.2010 |
| Year | Result | Venue | Date |
|---|
| 2005 | 1:51.2h | Nairobi (KEN) | 15.06.2005 | | 2006 | 1:46.3h | Nairobi (KEN) | 01.07.2006 | | 2007 | 1:44.15 | Bruxelles (BEL) | 14.09.2007 | | 2008 | 1:43.72 | Oslo (NOR) | 06.06.2008 | | 2009 | 1:42.01 | Rieti (ITA) | 06.09.2009 | | 2010 | 1:41.01 | Rieti (ITA) | 29.08.2010 | | 2011 | 1:41.33 | Rieti (ITA) | 10.09.2011 |
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Honours| 1 x World Championships Gold medallist | | 1 x World Championships finalist | | 1 x World Athletics Final Gold medallist | | 6 x Golden League meeting winner | | 2 x African Championships Gold medallist | | 1 x Current World Record holder - 800m | | 1 x Current African Record holder - 800m | | 2 x World Records in career |
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Results in principal competitions in 2011| Event | Date | Competition | Place | Result | |
|---|
| 800m | 03.03 | Melbourne Track Classic | 1. | 1:43.88 | | | 800m | 30.06 | Lausanne Athletissima | 1. | 1:44.15 | | | 800m | 16.07 | Nairobi Kenyan Ch. | 1. | 1:43.76 | | | 800m | 22.07 | Monaco Herculis | 1. | 1:42.61 | | | 800m | 05.08 | Crystal Palace AVIVA London Grand Prix | 1. | 1:42.91 | | | 800m | 30.08 | Daegu IAAF World Championships | 1. | 1:43.91 | | | 800m | 10.09 | Rieti IAAF World Challenge | 1. | 1:41.33 | | | 800m | 16.09 | Bruxelles Memorial van Damme | 1. | 1:43.96 | |
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