| | Event type
Long Jump, Boys
| Date | 12 – 15 October 2018 | |
|---|---|---|
| Status | YOG | |
| Location | Athletics Field, Parque Olímpico de la Juventud, Villa Soldati, Buenos Aires | |
| Participants | 16 from 16 countries | |
| Format | Two stages with final results determined by cumulative distance. | |
| Pos | Nr | Athlete | NOC | Distance | Stage One | Stage Two | |||
|---|---|---|---|---|---|---|---|---|---|
| 1 | – | Lester Lescay |  CUB | 15.54 | 7.65 (2) | 7.89 (1) | Gold | ||
| 2 | – | Joshua Cowley |  AUS | 15.53 | 7.71 (1) | 7.82 (2) | Silver | ||
| 3 | – | Koki Wada |  JPN | 15.12 | 7.46 (4) | 7.66 (3) | Bronze | ||
| 4 | – | Adrian Vieira |  BRA | 14.94 | 7.44 (6) | 7.50 (4) | |||
| 5 | – | Nick Schmahl |  GER | 14.40 | 7.13 (8) | 7.27 (5) | |||
| 6 | – | Davide Favro |  ITA | 14.29 | 7.18 (7) | 7.11 (8) | |||
| 7 | – | Kiryl Sots |  BLR | 14.26 | 7.03 (10) | 7.23 (6) | |||
| 8 | – | Bruno Yoset |  URU | 14.08 | 7.05 (9) | 7.03 (9) | |||
| 9 | – | Shacquille Lowe |  JAM | 14.05 | 6.83 (15) | 7.22 (7) | |||
| 10 | – | Tomáš Kratochvíl |  CZE | 13.99 | 7.02 (11) | 6.97 (10) | |||
| 11 | – | Leo Lasch |  AUT | 13.94 | 6.99 (12) | 6.95 (11) | |||
| 12 | – | Navaro Aboikonie |  SUR | 13.90 | 6.99 (13) | 6.91 (12) | |||
| 13 | – | Bryan Mucret |  FRA | 13.80 | 6.93 (14) | 6.87 (13) | |||
| 14 | – | Jason Tito |  RSA | 7.59 | 7.59 (3) | – ( | |||
| – | Malcolm Clemons |  USA | – | 7.46 (5) | – ( | ||||
| – | Wen Hua-Yu |  TPE | – | 6.75 (16) | – ( |