| Birth Date: | 1982 12, df=yes |
| Weight: | 51kg (112lb) |
| Sport: | Athletics |
| Event: | Marathon |
| Coach: | Zacharia Gwandu |
| Updated: | 23 July 2012 |
Samson Ramadhani Nyonyi (born 25 December 1982 in Singida) is a Tanzanian marathon runner. He was the gold medalist at the 2006 Commonwealth Games that took place in Melbourne, Australia with the result at 2:11:29.
In 2003 he participated three marathons: He won the Beppu Oita Marathon, was fifth at the London Marathon (time 2:08:01, still his personal best) and was 15th at the World Championships in Paris.
He finished 40th at the 2004 Olympic Games, and 5th at the 2005 World Championships.
In 2007 he won the Lake Biwa Marathon and competed at the 2007 World Championships in Osaka finishing 25th. At the 2008 Olympic marathon he finished 55th, and 66th at the 2012 Men's marathon.
| Representing | ||||||
|---|---|---|---|---|---|---|
| 2000 | World Junior Championships | Santiago, Chile | 26th (h) | 1500m | 3:56.74 | |
| 2003 | Beppu-Ōita Marathon | Beppu-Ōita, Japan | 1st | Marathon | 2:09:24 | |
| Paris, France | 15th | Marathon | 2:11:21 | |||
| 2004 | Athens, Greece | 40th | Marathon | 2:20:38 | ||
| 2006 | Commonwealth Games | Melbourne, Australia | 1st | Marathon | 2:11:29 | |
| 2007 | Osaka, Japan | 25th | Marathon | 2:25:51 | ||
| Lake Biwa Marathon | Ōtsu, Japan | 1st | Marathon | 2:10:43 | ||
| 2008 | Beijing, PR China | 55th | Marathon | 2:25:03 | ||
| 2012 | London, United Kingdom | 66th | Marathon | 2:24:53 | ||