The men's 20 kilometres walk event at the 2005 Asian Athletics Championships was held in Incheon, South Korea on September 2.
Results edit
| Rank | Name | Nationality | Time | Notes |
|---|---|---|---|---|
 |
Lu Ronghua |  China |
1:25:30 | |
 |
Kim Hyun-sub |  South Korea |
1:25:41 | |
 |
Zhang Hong | China |
1:27:14 | |
| 4 | Yusuke Yachi |  Japan |
1:27:43 | |
| 5 | Akinori Matsuzaki | Japan |
1:31:02 | |
| 6 | Mohd Sharrulhaizy Abdul Rahman |  Malaysia |
1:32:21 | SB |
| 7 | Lee Dae-Ro | South Korea |
1:33:35 |