The men's 10,000 metres event at the 1986 World Junior Championships in Athletics was held in Athens, Greece, at Olympic Stadium on 16 July.
| Gold | Peter Chumba | |
| Silver | Juma Mnyampanda | |
| Bronze | Debebe Demisse |
16 July
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| align=left | align=left | | 28:44.00 | ||||
| align=left | align=left | 28:45.14 | |||||
| align=left | align=left | | 28:49.09 | ||||
| 4 | align=left | align=left | 29:53.52 | ||||
| 5 | align=left | align=left | | 29:54.91 | |||
| 6 | align=left | align=left |  | 30:04.41 | |||
| 7 | align=left | align=left |  | 30:08.49 | |||
| 8 | align=left | align=left |  | 30:10.61 | |||
| 9 | align=left | align=left | | 30:19.14 | |||
| 10 | align=left | align=left |  | 30:19.16 | |||
| 11 | align=left | align=left | | 30:28.27 | |||
| 12 | align=left | align=left |  | 30:34.59 | |||
| 13 | align=left | align=left | 30:38.23 | ||||
| 14 | align=left | align=left | 30:39.11 | ||||
| 15 | align=left | align=left | | 30:46.96 | |||
| 16 | align=left | João Lopes | align=left | 30:47.99 | |||
| 17 | align=left | align=left | | 31:06.08 | |||
| 18 | align=left | align=left | 31:12.04 | ||||
| 19 | align=left | align=left |  | 31:27.29 | |||
| 20 | align=left | align=left | 31:50.56 | ||||
| 21 | align=left | align=left |  | 32:04.37 | |||
| 22 | align=left | align=left |  | 32:24.75 |
According to an unofficial count, 22 athletes from 15 countries participated in the event.