Athletics at the 1968 Summer Olympics – Men's 20 kilometres walk
The men's 20 kilometres walk was the shorter of the two men's racewalking events on the Athletics at the 1968 Summer Olympics program in Mexico City. It was held on 14 October 1968. 34 athletes from 20 nations entered.Results
| Rank | Name | Nationality | Time | Notes |
| Volodymyr Holubnychy | | 1-33:58.4 | |
| José Pedraza | | 1-34:00.0 | |
| Nikolay Smaga | | 1-34:03.4 | |
| 4 | Rudy Haluza | | 1-35:00.2 | |
| 5 | Gerhard Sperling | | 1-35:27.2 | |
| 6 | Otto Barch | | 1-36:16.8 | |
| 7 | Hans-Georg Reimann | | 1-36:31.4 | |
| 8 | Stefan Ingvarsson | | 1-36:43.4 | |
| 9 | Leonida Caraiosifoglu | | 1-37:07.6 | |
| 10 | Peter Frenkel | | 1-37:20.8 | |
| 11 | Arthur Jones | | 1-37:32.0 | |
| 12 | Pasquale Busca | | 1-37:32.0 | |
| 13 | José Oliveros | | 1-38:17 | |
| 14 | Antal Kiss | | 1-38:24 | |
| 15 | Stig Lindberg | | 1-40:03 | |
| 16 | Frank Clark | | 1-40:06 | |
| 17 | Tom Dooley | | 1-40:08 | |
| 18 | Karl-Heinz Merschenz | | 1-40:11 | |
| 19 | Charles Sowa | | 1-40:17 | |
| 20 | Eladio Campos | | 1-41:52 | |
| 21 | Örjan Andersson | | 1-41:58 | |
| 22 | John Webb | | 1-42:51 | |
| 23 | René Pfister | | 1-43:36 | |
| 24 | Bob Hughes | | 1-43:50 | |
| 25 | Ron Laird | | 1-44:38 | |
| 26 | Mieczysław Rutyna | | 1-47:29 | |
| 27 | Euclides Calzado | | 1-49:27 | |
| 28 | Julio Ortíz | | 1-54:48 | |
| 29 | Roberto Castellanos | | 1-58:48 | |
| Julius Müller | | | DQ |
| José Esteban Valle | | | DNF |
| Carlos Vanegas | | | DNF |
| Felix Cappella | | | DNF |
| Kazuo Saito | | | DNF |
