The men's 20 kilometres walk at the 2010 African Championships in Athletics was held on August 1.
| Rank | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|
| 1:20:36 | CR | ||||
| 1:21:07 | SB | ||||
| 1:22:53 | PB | ||||
| 1:23:25 | PB | ||||
| 1:24:53 | |||||
| 1:25:32 | SB | ||||
| 1:27:44 | SB | ||||
| 1:30:08 | SB | ||||
| 1:32:09 | |||||
| 10 | 1:36:23 | ||||
| 11 | 1:40:33 | ||||
| 12 | 1:54:58 | ||||