The men's triple jump event at the 2002 World Junior Championships in Athletics was held in Kingston, Jamaica, at National Stadium on 19 and 20 July.
| Gold | David Giralt | |
| Silver | Li Yanxi | |
| Bronze | Aleksandr Sergeyev |
20 July
| Rank | Name | Nationality | Attempts | Result | Notes | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | ||||||||
| align=left | align=left | | 16.48 (w: +1.0 m/s) | 16.68 (w: +0.4 m/s) | 15.85 (w: -0.3 m/s) | 15.81 (w: -0.6 m/s) | 16.67 (w: -0.4 m/s) | 16.59 (w: -0.7 m/s) | 16.68 (w: +0.4 m/s) | ||||
| align=left | align=left | | x | 16.02 (w: -0.1 m/s) | x | x | 16.66 (w: -0.6 m/s) | 13.81 (w: -0.1 m/s) | 16.66 (w: -0.6 m/s) | ||||
| align=left | align=left | | 15.59 (w: +0.2 m/s) | x | x | 16.36 (w: -0.3 m/s) | 14.63 (w: -0.5 m/s) | 16.55 (w: -0.4 m/s) | 16.55 (w: -0.4 m/s) | ||||
| 4 | align=left | align=left | | x | 16.22 (w: -0.5 m/s) | 15.87 (w: -0.3 m/s) | x | 15.64 (w: -0.6 m/s) | 16.20 (w: -0.5 m/s) | 16.22 (w: -0.5 m/s) | |||
| 5 | align=left | align=left |  | 15.88 (w: +1.1 m/s) | 15.87 (w: -0.1 m/s) | 15.99 (w: -0.8 m/s) | 15.86 (w: -0.2 m/s) | 14.74 (w: -0.6 m/s) | x | 15.99 (w: -0.8 m/s) | |||
| 6 | align=left | align=left | 15.65 (w: +1.0 m/s) | 15.87 (w: -0.2 m/s) | 15.26 (w: -1.0 m/s) | 15.47 (w: -0.7 m/s) | 15.63 (w: -0.7 m/s) | x | 15.87 (w: -0.2 m/s) | ||||
| 7 | align=left | align=left | | 15.61 (w: +1.1 m/s) | 15.50 (w: +1.3 m/s) | 15.72 (w: +0.7 m/s) | 15.37 (w: -0.3 m/s) | 15.32 (w: -0.1 m/s) | 15.38 (w: -1.4 m/s) | 15.72 (w: +0.7 m/s) | |||
| 8 | align=left | align=left |  | x | 15.60 (w: +1.3 m/s) | x | 15.34 (w: -0.7 m/s) | x | x | 15.60 (w: +1.3 m/s) | |||
| 9 | align=left | align=left |  | 15.29 (w: +0.3 m/s) | 15.20 (w: +0.4 m/s) | 15.14 (w: +0.9 m/s) | 15.29 (w: +0.3 m/s) | ||||||
| 10 | align=left | align=left |  | x | 15.18 (w: +0.3 m/s) | 15.11 (w: +0.4 m/s) | 15.18 (w: +0.3 m/s) | ||||||
| 11 | align=left | align=left |  | x | x | 15.11 (w: -0.2 m/s) | 15.11 (w: -0.2 m/s) | ||||||
| align=left | align=left |  | x | x | x | NM | |||||||
19 Jul
| Rank | Name | Nationality | Attempts | Result | Notes | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | ||||||||
| 1 | align=left | align=left | | 15.95 (w: +0.8 m/s) | - | - | 15.95 (w: +0.8 m/s) | Q | ||
| 2 | align=left | align=left | | 15.79 (w: +0.2 m/s) | - | - | 15.79 (w: +0.2 m/s) | Q | ||
| 3 | align=left | align=left | 15.08 (w: +0.4 m/s) | 15.70 (w: +0.5 m/s) | - | 15.70 (w: +0.5 m/s) | Q | |||
| 4 | align=left | align=left | | x | x | 15.67 (w: +0.1 m/s) | 15.67 (w: +0.1 m/s) | Q | ||
| 5 | align=left | align=left | | 15.13 (w: +0.6 m/s) | 15.60 (w: +0.3 m/s) | 15.34 (w: -0.6 m/s) | 15.60 (w: +0.3 m/s) | q | ||
| 6 | align=left | align=left | | 15.57 (w: +0.5 m/s) | 15.56 (w: 0.0 m/s) | 14.81 (w: +0.4 m/s) | 15.57 (w: +0.5 m/s) | q | ||
| 7 | align=left | align=left |  | 15.26 (w: +0.4 m/s) | 15.25 (w: +0.2 m/s) | 15.45 (w: -0.6 m/s) | 15.45 (w: -0.6 m/s) | |||
| 8 | align=left | align=left | 15.41 (w: +1.0 m/s) | 14.42 (w: +0.7 m/s) | 14.82 (w: +0.4 m/s) | 15.41 (w: +1.0 m/s) | ||||
| 9 | align=left | align=left | 15.12 (w: +1.3 m/s) | 15.16 (w: +1.1 m/s) | x | 15.16 (w: +1.1 m/s) | ||||
| 10 | align=left | align=left |  | 15.11 (w: +0.6 m/s) | 14.90 (w: 0.0 m/s) | 15.03 (w: -0.4 m/s) | 15.11 (w: +0.6 m/s) | |||
| 11 | align=left | align=left | 14.48 (w: +0.7 m/s) | 14.65 (w: +0.4 m/s) | 14.76 (w: +1.7 m/s) | 14.76 (w: +1.7 m/s) | ||||
| 12 | align=left | align=left | 14.76 (w: +0.1 m/s) | x | x | 14.76 (w: +0.1 m/s) | ||||
| Rank | Name | Nationality | Attempts | Result | Notes | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | ||||||||
| 1 | align=left | align=left | | 15.59 (w: +0.4 m/s) | x | 16.11 (w: +0.3 m/s) | 16.11 (w: +0.3 m/s) | Q | ||
| 2 | align=left | align=left | | 16.05 (w: -0.1 m/s) | - | - | 16.05 (w: -0.1 m/s) | Q | ||
| 3 | align=left | align=left | | x | 15.91 (w: -0.4 m/s) | - | 15.91 (w: -0.4 m/s) | Q | ||
| 4 | align=left | align=left | | 15.75 (w: +1.5 m/s) | - | - | 15.75 (w: +1.5 m/s) | Q | ||
| 5 | align=left | align=left | | 14.29 (w: -0.1 m/s) | 15.62 (w: +0.8 m/s) | 13.99 (w: -0.2 m/s) | 15.62 (w: +0.8 m/s) | q | ||
| 6 | align=left | align=left | | 15.30 (w: +1.7 m/s) | 15.56 (w: +1.2 m/s) | 15.32 (w: -0.7 m/s) | 15.56 (w: +1.2 m/s) | q | ||
| 7 | align=left | align=left | 15.30 (w: +0.3 m/s) | 15.40 (w: +0.6 m/s) | 15.38 (w: +0.4 m/s) | 15.40 (w: +0.6 m/s) | ||||
| 8 | align=left | align=left |  | 15.28 (w: +1.2 m/s) | 14.47 (w: +0.4 m/s) | 15.25 (w: +0.4 m/s) | 15.28 (w: +1.2 m/s) | |||
| 9 | align=left | align=left | x | 15.04 (w: -0.2 m/s) | 15.26 (w: +0.1 m/s) | 15.26 (w: +0.1 m/s) | ||||
| 10 | align=left | align=left |  | 15.09 (w: +0.3 m/s) | 14.72 (w: 0.0 m/s) | x | 15.09 (w: +0.3 m/s) | |||
| 11 | align=left | align=left |  | 14.68 (w: +0.6 m/s) | x | 14.81 (w: +0.9 m/s) | 14.81 (w: +0.9 m/s) | |||
According to an unofficial count, 23 athletes from 20 countries participated in the event.