The men's 10,000 metres walk event at the 1988 World Junior Championships in Athletics was held in Sudbury, Ontario, Canada, at Laurentian University Stadium on 29 July.
| Gold | Alberto Cruz | |
| Silver | Valentí Massana | |
| Bronze | Mikhail Khmelnitsky |
29 July
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| align=left | align=left | | 41:16.11 | ||||
| align=left | align=left | | 41:33.95 | ||||
| align=left | align=left | 41:38.86 | |||||
| 4 | align=left | align=left | | 41:46.41 | |||
| 5 | align=left | align=left | 42:17.93 | ||||
| 6 | align=left | align=left | 42:40.45 | ||||
| 7 | align=left | align=left |  | 42:51.19 | |||
| 8 | align=left | align=left |  | 43:04.29 | |||
| 9 | align=left | align=left |  | 43:31.59 | |||
| 10 | align=left | align=left |  | 43:54.60 | |||
| 11 | align=left | align=left | 44:07.26 | ||||
| 12 | align=left | align=left | | 44:34.26 | |||
| 13 | align=left | align=left | 45:03.70 | ||||
| 14 | align=left | align=left |  | 45:44.35 | |||
| 15 | align=left | align=left | | 45:53.77 | |||
| 16 | align=left | align=left |  | 46:24.72 | |||
| 17 | align=left | align=left |  | 47:23.75 | |||
| 18 | align=left | align=left |  | 47:39.39 | |||
| 19 | align=left | align=left | | 48:18.02 | |||
| 20 | align=left | align=left | 52:16.39 | ||||
| align=left | align=left | | DQ | ||||
| align=left | align=left |  | DQ | ||||
| align=left | align=left | | DNF | ||||
| align=left | align=left | | DNF | ||||
| align=left | align=left |  | DNF |
According to an unofficial count, 25 athletes from 17 countries participated in the event.