Tour of Siam
The Tour of Siam is a road cycling stage race held in Thailand and is part of the UCI Asia Tour. The race exists of only a men's competition over six stages.
Past winners
General classification (Overall title)
| Year | Winner |
| 2007 |  Jai Crawford,Giant Asia Racing Team |
| 2006 |  Thomas Rabou,Marco Polo |
| 2005 |  Shinichi Fukushima
|
Points classification
| Year | Winner |
| 2007 | Takashi Miyazawa, Nippo Meitan |
| 2006 |  Dean Iversen, Team Farso |
| 2005 | Eddy Hollands, Marco Polo |
Mountains classification
| Year | Winner |
| 2007 | Jai Crawford, Giant Asia Racing Team |
| 2006 | N/A (or Unknown) |
| 2005 | Shinichi Fukushima, Bridgestone-Anchor |
Asian rider classification
| Year | Winner |
| 2007 |  Iman Suparman, Benteng Muda Tangerang |
| 2006 | Robert Wijaya, Polygon Sweet Nice |
| 2005 |  Wei Sheng Yang, Singapore National Team |
Young rider classification
| Year | Winner |
| 2007 | |
| 2006 | Robert Wijaya, Polygon Sweet Nice |
| 2005 |  Dong Hun Kim, Seoul City |
Team classification
| Year | Winner |
| 2007 | Polygon Sweet Nice |
| 2006 | Marco Polo |
| 2005 | Marco Polo |