The men's triple jump event at the 2010 World Junior Championships in Athletics was held in Moncton, New Brunswick, Canada, at Moncton Stadium on 24 and 25 July.
| Gold | Aleksey Fyodorov | |
| Silver | Ernesto Revé | |
| Bronze | Omar Craddock |
25 July
| Rank | Name | Nationality | Attempts | Result | Notes | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | ||||||||
| align=left | align=left | | 16.52 (w: -3.5 m/s) | 16.68 (w: -0.5 m/s) | 16.20 (w: -5.3 m/s) | x | 16.59 (w: -1.0 m/s) | 16.44 (w: -2.8 m/s) | 16.68 (w: -0.5 m/s) | ||||
| align=left | align=left | | 15.98 (w: -4.6 m/s) | 16.47 (w: -1.7 m/s) | x | x | 16.29 (w: -2.2 m/s) | 14.62 (w: -1.5 m/s) | 16.47 (w: -1.7 m/s) | ||||
| align=left | align=left | | 16.15 (w: -1.4 m/s) | 16.09 (w: -0.9 m/s) | 16.00 (w: -2.9 m/s) | 16.19 (w: -0.8 m/s) | 16.01 (w: -0.7 m/s) | 16.23 (w: -3.6 m/s) | 16.23 (w: -3.6 m/s) | ||||
| 4 | align=left | align=left |  | x | 15.90 (w: -0.4 m/s) | 16.18 (w: -0.9 m/s) | 16.11 (w: -1.2 m/s) | 15.89 (w: -2.8 m/s) | 15.57 (w: -1.9 m/s) | 16.18 (w: -0.9 m/s) | |||
| 5 | align=left | align=left |  | x | x | 15.61 (w: -2.2 m/s) | x | 16.13 (w: +0.1 m/s) | 15.90 (w: -1.9 m/s) | 16.13 (w: +0.1 m/s) | |||
| 6 | align=left | align=left | | 15.90 (w: -1.8 m/s) | x | 15.89 (w: -0.2 m/s) | 15.70 (w: -1.2 m/s) | 15.30 (w: -2.2 m/s) | 15.96 (w: -1.1 m/s) | 15.96 (w: -1.1 m/s) | |||
| 7 | align=left | align=left |  | 14.94 (w: -2.9 m/s) | 15.86 (w: -1.0 m/s) | 15.96 (w: -1.4 m/s) | x | x | x | 15.96 (w: -1.4 m/s) | |||
| 8 | align=left | align=left | | x | 15.53 (w: -2.4 m/s) | 15.45 (w: -0.8 m/s) | 15.17 (w: -2.1 m/s) | x | 15.45 (w: -4.0 m/s) | 15.53 (w: -2.4 m/s) | |||
| 9 | align=left | align=left |  | 15.48 (w: -2.6 m/s) | x | 14.42 (w: -1.9 m/s) | 15.48 (w: -2.6 m/s) | ||||||
| 10 | align=left | align=left |  | 15.37 (w: -2.2 m/s) | 14.84 (w: -3.3 m/s) | 15.44 (w: 0.0 m/s) | 15.44 (w: 0.0 m/s) | ||||||
| 11 | align=left | align=left | 15.42 (w: -2.5 m/s) | x | 14.68 (w: -0.8 m/s) | 15.42 (w: -2.5 m/s) | |||||||
| align=left | Kola Adedoyin | align=left | x | x | x | NM | |||||||
24 July
| Rank | Name | Nationality | Attempts | Result | Notes | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | ||||||||
| 1 | align=left | align=left | | 16.25 (w: -3.0 m/s) | - | - | 16.25 (w: -3.0 m/s) | Q | ||
| 2 | align=left | align=left | | 16.11 (w: -2.5 m/s) | - | - | 16.11 (w: -2.5 m/s) | Q | ||
| 3 | align=left | Kola Adedoyin | align=left | x | x | 15.85 (w: -1.1 m/s) | 15.85 (w: -1.1 m/s) | q | ||
| 4 | align=left | align=left | | x | 15.81 (w: -1.4 m/s) | 15.71 (w: -1.1 m/s) | 15.81 (w: -1.4 m/s) | q | ||
| 5 | align=left | align=left | | 15.80 (w: -2.4 m/s) | x | 15.66 (w: -2.3 m/s) | 15.80 (w: -2.4 m/s) | q | ||
| 6 | align=left | align=left | | x | 15.31 (w: -1.7 m/s) | 15.69 (w: -1.3 m/s) | 15.69 (w: -1.3 m/s) | q | ||
| 7 | align=left | align=left |  | 14.73 (w: -2.5 m/s) | x | 15.41 (w: +0.6 m/s) | 15.41 (w: +0.6 m/s) | |||
| 8 | align=left | align=left | 13.41 (w: -2.1 m/s) | 15.35 (w: -1.1 m/s) | x | 15.35 (w: -1.1 m/s) | ||||
| 9 | align=left | align=left |  | 14.93 (w: -1.4 m/s) | 14.76 (w: -2.0 m/s) | 15.31 (w: -0.5 m/s) | 15.31 (w: -0.5 m/s) | |||
| 10 | align=left | align=left | | x | x | 15.14 (w: -1.4 m/s) | 15.14 (w: -1.4 m/s) | |||
| 11 | align=left | align=left |  | 15.07 (w: -1.6 m/s) | x | 14.25 (w: -2.5 m/s) | 15.07 (w: -1.6 m/s) | |||
| 12 | align=left | align=left |  | 14.74 (w: -2.2 m/s) | x | 14.48 (w: -1.7 m/s) | 14.74 (w: -2.2 m/s) | |||
| 13 | align=left | align=left |  | 14.52 (w: -1.1 m/s) | 14.43 (w: -0.8 m/s) | 14.46 (w: -1.1 m/s) | 14.52 (w: -1.1 m/s) | |||
| Rank | Name | Nationality | Attempts | Result | Notes | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | ||||||||
| 1 | align=left | align=left | | 16.47 (w: +1.5 m/s) | - | - | 16.47 (w: +1.5 m/s) | Q | ||
| 2 | align=left | align=left | | 16.16 (w: -1.4 m/s) | - | - | 16.16 (w: -1.4 m/s) | Q | ||
| 3 | align=left | align=left | | x | 16.11 (w: -0.2 m/s) | - | 16.11 (w: -0.2 m/s) | Q | ||
| 4 | align=left | align=left | | 14.84 (w: -1.3 m/s) | 16.08 (w: -0.6 m/s) | - | 16.08 (w: -0.6 m/s) | Q | ||
| 5 | align=left | align=left | | x | 15.62 (w: -1.4 m/s) | 15.55 (w: -1.6 m/s) | 15.62 (w: -1.4 m/s) | q | ||
| 6 | align=left | align=left | x | 15.50 (w: -0.7 m/s) | x | 15.50 (w: -0.7 m/s) | q | |||
| 7 | align=left | align=left | 15.48 (w: -1.6 m/s) | 15.13 (w: -0.9 m/s) | 15.17 (w: -0.6 m/s) | 15.48 (w: -1.6 m/s) | ||||
| 8 | align=left | align=left |  | 14.69 (w: -2.5 m/s) | 15.38 (w: -0.7 m/s) | 15.46 (w: -0.2 m/s) | 15.46 (w: -0.2 m/s) | |||
| 9 | align=left | align=left |  | 14.23 (w: -2.6 m/s) | 14.98 (w: -1.0 m/s) | 15.24 (w: -0.2 m/s) | 15.24 (w: -0.2 m/s) | |||
| 10 | align=left | align=left |  | 15.10 (w: -1.1 m/s) | x | x | 15.10 (w: -1.1 m/s) | |||
| 11 | align=left | align=left |  | x | 15.07 (w: -1.4 m/s) | x | 15.07 (w: -1.4 m/s) | |||
| 12 | align=left | align=left |  | 14.83 (w: -1.7 m/s) | x | 15.01 (w: -0.5 m/s) | 15.01 (w: -0.5 m/s) | |||
| 13 | align=left | align=left | 13.77 (w: -2.7 m/s) | 14.62 (w: -0.8 m/s) | 14.92 (w: -1.2 m/s) | 14.92 (w: -1.2 m/s) | ||||
According to an unofficial count, 26 athletes from 22 countries participated in the event.