Personal Bests| Event | Result | Venue | Date |
|---|
| 800m | 1:45.64 | Olympiastadion, Berlin (GER) | 01.09.2013 | | 1000m | 2:18.56 | Dubnica nad Váhom (SVK) | 22.08.2010 | | 1000m ind. | 2:18.48 | Stockholm (SWE) | 21.02.2008 | | 1500m | 3:31.93 | Stadio Guidobaldi, Rieti (ITA) | 08.09.2013 | | 1500m ind. | 3:37.49 | Europahalle, Karlsruhe (GER) | 01.02.2014 | | Mile | 3:50.70 | Hayward Field, Eugene, OR (USA) | 31.05.2014 | | 3000m | 8:02.14 | Torino (ITA) | 04.06.2004 | | 3000m ind. | 7:52.33 | Messehalle, Karlsruhe (GER) | 31.01.2015 | | 5000m | 13:59.5h | Durban (RSA) | 06.02.2009 |
| Season's BestsNo season's bests available. |
World RankingsNot ranked currently. | | Year | Result | Venue | Date |
|---|
| 2000 | 1:51.32 | Meadowbank (GBR) | 13.08.2000 | | 2001 | 1:48.29 | Rhede (GER) | 13.07.2001 | | 2002 | 1:47.18 | Lapinlahti (FIN) | 14.07.2002 | | 2003 | 1:48.93 | Bellville (RSA) | 06.04.2003 | | 2004 | 1:47.59 | Luzern (SUI) | 09.06.2004 | | 2005 | 1:46.13 | Lapinlahti (FIN) | 03.07.2005 | | 2006 | 1:45.77 | Lapinlahti (FIN) | 16.07.2006 | | 2007 | 1:48.34 | Noisy-le-Grand (FRA) | 12.06.2007 | | 2008 | 1:47.6h | Secunda (RSA) | 25.01.2008 | | 2009 | 1:50.61 | Bloemfontein (RSA) | 13.02.2009 | | 2010 | 1:49.57 | Potchefstroom (RSA) | 26.06.2010 | | 2012 | 1:46.87 | Velenje (SLO) | 14.06.2012 | | 2013 | 1:45.64 | Olympiastadion, Berlin (GER) | 01.09.2013 | | 2014 | 1:51.22 | Rovereto (ITA) | 02.09.2014 | | 2015 | 1:48.59 | Liège (BEL) | 15.07.2015 | | 2016 | 1:50.27 | Bloemfontein (RSA) | 11.03.2016 |
| Year | Result | Venue | Date |
|---|
| 2001 | 2:20.81 | Hamburg (GER) | 15.07.2001 | | 2003 | 2:19.54 | Pretoria (RSA) | 04.04.2003 | | 2010 | 2:18.56 | Dubnica nad Váhom (SVK) | 22.08.2010 |
| Year | Result | Venue | Date |
|---|
| 1999 | 3:46.45 | Zdzisław Krzyszkowiak Stadium, Bydgoszcz (POL) | 18.07.1999 | | 2000 | 3:41.21 | Cape Town (RSA) | 31.03.2000 | | 2001 | 3:40.29 | Cuxhaven (GER) | 21.07.2001 | | 2002 | 3:37.28 | Doha (QAT) | 15.05.2002 | | 2003 | 3:43.85 | Durban (RSA) | 11.04.2003 | | 2004 | 3:37.83 | AC Gianni Brera, Milano (ITA) | 02.06.2004 | | 2005 | 3:35.58 | Doha (QAT) | 13.05.2005 | | 2006 | 3:36.73 | Stockholm (SWE) | 25.07.2006 | | 2007 | 3:37.67 | Doha (QAT) | 11.05.2007 | | 2008 | 3:38.37 | Durban (RSA) | 08.02.2008 | | 2009 | 3:33.63 | Stade Louis II, Monaco (MON) | 28.07.2009 | | 2010 | 3:35.24 | Stade Olympique de la Pontaise, Lausanne (SUI) | 08.07.2010 | | 2012 | 3:35.33 | Dessau (GER) | 25.05.2012 | | 2013 | 3:31.93 | Stadio Guidobaldi, Rieti (ITA) | 08.09.2013 | | 2014 | 3:33.31 | Suhaim bin Hamad Stadium, Doha (QAT) | 09.05.2014 | | 2015 | 3:36.34 | FBK Stadium, Hengelo (NED) | 24.05.2015 | | 2016 | 3:37.49 | Stade Raymond Petit, Tomblaine (FRA) | 14.06.2016 |
| Year | Result | Venue | Date |
|---|
| 2005 | 3:58.81 | Parow, Cape Town (RSA) | 16.12.2005 | | 2006 | 4:00.79 | Dublin (IRL) | 29.07.2006 | | 2009 | 3:54.84 | Crystal Palace, London (GBR) | 25.07.2009 | | 2011 | 4:06.91 | Oudtshoorn (RSA) | 12.12.2011 | | 2013 | 3:54.86 | Bislett Stadion, Oslo (NOR) | 13.06.2013 | | 2014 | 3:50.70 | Hayward Field, Eugene, OR (USA) | 31.05.2014 | | 2015 | 3:53.02 | Hayward Field, Eugene, OR (USA) | 30.05.2015 |
| Year | Result | Venue | Date |
|---|
| 2000 | 8:14.77 | Bloemfontein (RSA) | 04.02.2000 | | 2001 | 8:19.89 | Bloemfontein (RSA) | 02.02.2001 | | 2004 | 8:02.14 | Torino (ITA) | 04.06.2004 | | 2009 | 8:03.7h | Potchefstroom (RSA) | 23.01.2009 | | 2012 | 8:20.42 | Tshwane (RSA) | 05.04.2012 | | 2016 | 8:30.96 | Sasolburg (RSA) | 08.04.2016 |
| Year | Result | Venue | Date |
|---|
| 2009 | 13:59.5h | Durban (RSA) | 06.02.2009 | | 2016 | 14:07.77 | Cape Town (RSA) | 22.03.2016 |
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