The men's decathlon event at the 2010 World Junior Championships in Athletics was held in Moncton, New Brunswick, Canada, at Moncton Stadium on 20 and 21 July. [1] [2] Junior implements were used, i.e. 99.0cm (3'3) hurdles, 6kg shot and 1.75kg discus.
| Gold | Kévin Mayer  |
| Silver | Ilya Shkurenev  |
| Bronze | Marcus Nilsson  |
20/21 July
| Rank | Name | Nationality | 100m | LJ | SP | HJ | 400m | 110m H | DT | PV | JT | 1500m | Points | Notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Kévin Mayer | | 11.12 (w: 1.3m/s) | 7.41 | 14.01 | 2.04 | 49.39 | 14.21 (w: 0.9m/s) | 37.57 | 4.70 | 49.76 | 4:21.35 | 7928 | |
 | Ilya Shkurenev | | 11.25 (w: 1.3m/s) | 7.26 | 13.48 | 2.01 | 50.46 | 14.81 (w: 0.2m/s) | 43.15 | 5.00 | 55.49 | 4:42.92 | 7830 | |
 | Marcus Nilsson | | 11.30 (w: 0.5m/s) | 6.93 | 14.55 | 1.92 | 49.54 | 14.75 (w: 0.2m/s) | 45.18 | 4.60 | 51.64 | 4:25.31 | 7751 | |
| 4 | David Guest |  | 10.90 (w: 0.3m/s) | 7.36 | 13.14 | 1.95 | 49.11 | 14.25 (w: 0.9m/s) | 40.36 | 4.60 | 44.62 | 4:36.13 | 7691 | |
| 5 | José Angel Mendieta |  | 10.97 (w: 1.3m/s) | 7.28 | 15.20 | 1.95 | 50.99 | 14.93 (w: 0.9m/s) | 41.21 | 4.00 | 63.20 | 4:45.04 | 7677 | |
| 6 | Kai Kazmirek |  | 10.96 (w: 1.3m/s) | 6.87 | 13.25 | 1.95 | 47.63 | 14.41 (w: 0.2m/s) | 40.15 | 4.50 | 53.07 | 4:47.48 | 7638 | |
| 7 | Jérémy Lelièvre | | 11.02 (w: 0.3m/s) | 7.18 | 14.41 | 1.92 | 49.32 | 14.99 (w: 1.4m/s) | 36.24 | 4.50 | 52.29 | 4:36.65 | 7568 | |
| 8 | Petter Olson | | 11.09 (w: 1.3m/s) | 6.92 | 14.18 | 1.92 | 49.48 | 14.72 (w: 0.9m/s) | 39.80 | 4.60 | 44.92 | 4:33.41 | 7515 | |
| 9 | Michal Štefek |  | 10.96 (w: 1.3m/s) | 7.02 | 13.71 | 1.98 | 49.76 | 14.85 (w: 1.4m/s) | 35.89 | 4.40 | 51.95 | 4:36.33 | 7512 | |
| 10 | Jonay Jordan |  | 11.33 (w: 0.5m/s) | 6.73 | 15.86 | 1.95 | 50.70 | 14.57 (w: 0.2m/s) | 38.67 | 4.30 | 45.75 | 5:01.55 | 7242 | |
| 11 | Nikita Semenenko | | 11.80 (w: 0.3m/s) | 6.48 | 15.52 | 2.01 | 52.85 | 15.44 (w: 1.4m/s) | 41.02 | 4.20 | 55.11 | 4:47.66 | 7160 | |
| 12 | Neamen Wise |  | 10.84 (w: 0.3m/s) | 7.29 | 12.11 | 1.92 | 50.33 | 14.97 (w: 0.9m/s) | 39.78 | 3.80 | 49.24 | 5:00.45 | 7132 | |
| 13 | Martin Roe |  | 11.20 (w: 1.3m/s) | 6.90 | 14.16 | 1.83 | 51.94 | 16.28 (w: 1.4m/s) | 42.35 | 4.10 | 56.22 | 4:54.72 | 7056 | |
| 14 | Kevin Lazas | | 11.26 (w: 1.3m/s) | 6.88 | 14.07 | 1.89 | 52.46 | 15.86 (w: 1.4m/s) | 34.45 | 4.40 | 53.37 | 4:49.19 | 7028 | |
| 15 | Dominik Alberto |  | 11.08 (w: 0.5m/s) | 6.43 | 13.89 | 1.83 | 50.81 | 14.91 (w: 0.9m/s) | 38.76 | 4.40 | 49.10 | 5:02.82 | 7027 | |
| 16 | Ashley Bryant | | 11.02 (w: 1.3m/s) | 7.11 | 13.56 | DNF | 49.53 | 14.38 (w: 0.2m/s) | 41.66 | 4.20 | 65.00 | 4:47.86 | 6975 | |
| 17 | Jeroen Vanmulder |  | 11.25 (w: 1.3m/s) | 6.99 | 11.57 | 1.89 | 50.52 | 16.19 (w: 0.2m/s) | 35.83 | 3.90 | 46.66 | 4:39.64 | 6796 | |
| 18 | Jared Heldman |  | 10.90 (w: 0.5m/s) | 7.24 | 13.17 | 1.77 | 50.28 | 14.99 (w: 1.4m/s) | 30.50 | 3.70 | 39.25 | 5:05.13 | 6658 | |
| 19 | Eetu Taskinen |  | 11.53 (w: 1.3m/s) | 5.99 | 13.40 | 1.77 | DQ | 15.67 (w: 0.2m/s) | 42.02 | 4.00 | 57.65 | 5:11.39 | 5916 | |
| 20 | Taavi Saar |  | 11.52 (w: 1.3m/s) | 6.27 | 13.36 | 1.80 | 53.05 | 15.89 (w: 0.2m/s) | 35.53 | DNF | 46.02 | 5:25.36 | 5661 | |
| 21 | Taavi Sarapuu | | 11.63 (w: 0.3m/s) | 6.68 | 12.90 | 1.86 | 54.56 | 15.96 (w: 1.4m/s) | NM | 4.40 | NM | 5:05.95 | 5415 | |
| 22 | Gert Swanepoel |  | 11.52 (w: 0.3m/s) | 6.29 | 11.01 | 1.83 | 50.69 | DQ | 27.01 | DNS | 45.42 | 4:34.30 | 5024 | |
| Mathias Brugger | | 11.19 (w: 0.5m/s) | 7.08 | 14.15 | 1.95 | 50.01 | DNF | DNS | DNS | DNS | DNS | DNF | ||
| Otto Ylöstalo | | 11.68 (w: 0.5m/s) | 6.81 | 13.54 | 1.83 | 54.23 | DNS | DNS | DNS | DNS | DNS | DNF | ||
| Adam Helcelet | | 10.96 (w: 0.3m/s) | 6.93 | 13.75 | DNS | DNS | DNS | DNS | DNS | DNS | DNS | DNF | ||
| Mohamed R.A. Al-Mannai |  | 11.55 (w: 1.3m/s) | 7.00 | 11.94 | DNS | DNS | DNS | DNS | DNS | DNS | DNS | DNF |
According to an unofficial count, 26 athletes from 17 countries participated in the event.
The 13th World Junior Championships in Athletics was an international athletics competition for athletes under the age of 20 which was held at the Moncton Stadium in Moncton, New Brunswick, Canada from 19–25 July 2010. A total of 44 athletics events were contested at the Championships, 22 by male and 22 by female athletes. It was the second time that the event took place in Canada, after the 1988 edition in Sudbury. This became the last event announced by Scott Davis.
The men's 10,000 metres at the 2010 World Junior Championships in Athletics was held at the Moncton 2010 Stadium on 20 July. A field of 20 athletes from 14 countries competed.
The women's 100 metres at the 2010 World Junior Championships in Athletics was held at the Moncton 2010 Stadium on 20 & 21 July.
The men's 100 metres at the 2010 World Junior Championships in Athletics was held at the Moncton 2010 Stadium on 20 & 21 July.
The women's 5,000 metres at the 2010 World Junior Championships in Athletics was held at the Moncton 2010 Stadium on 21 July.
The women's 3,000 metres at the 2010 World Junior Championships in Athletics was held at the Moncton 2010 Stadium on 19 July.
The men's discus throw at the 2010 World Junior Championships in Athletics was held at the Moncton 2010 Stadium on 23 & 24 July. A 1.75kg discus was used.
The men's 400 metres event at the 2010 World Junior Championships in Athletics was held in Moncton, New Brunswick, Canada, at Moncton Stadium on 20, 21 and 22 July.
The men's 1500 metres event at the 2010 World Junior Championships in Athletics was held in Moncton, New Brunswick, Canada, at Moncton Stadium on 20 and 22 July.
The men's 3000 metres steeplechase event at the 2010 World Junior Championships in Athletics was held in Moncton, New Brunswick, Canada, at Moncton Stadium on 23 and 25 July.
The men's high jump event at the 2010 World Junior Championships in Athletics was held in Moncton, New Brunswick, Canada, at Moncton Stadium on 21 and 23 July.
The men's pole vault event at the 2010 World Junior Championships in Athletics was held in Moncton, New Brunswick, Canada, at Moncton Stadium on 20 and 22 July.
The men's long jump event at the 2010 World Junior Championships in Athletics was held in Moncton, New Brunswick, Canada, at Moncton Stadium on 20 and 21 July.
The men's shot put event at the 2010 World Junior Championships in Athletics was held in Moncton, New Brunswick, Canada, at Moncton Stadium on 21 July. A 6kg shot was used.
The women's 400 metres event at the 2010 World Junior Championships in Athletics was held in Moncton, New Brunswick, Canada, at Moncton Stadium on 20, 21 and 22 July.
The women's 800 metres event at the 2010 World Junior Championships in Athletics was held in Moncton, New Brunswick, Canada, at Moncton Stadium on 20, 21 and 22 July.
The women's 3000 metres steeplechase event at the 2010 World Junior Championships in Athletics was held in Moncton, New Brunswick, Canada, at Moncton Stadium on 20 and 22 July.
The women's triple jump event at the 2010 World Junior Championships in Athletics was held in Moncton, New Brunswick, Canada, at Moncton Stadium on 21 and 22 July.
The women's shot put event at the 2010 World Junior Championships in Athletics was held in Moncton, New Brunswick, Canada, at Moncton Stadium on 20 July.
The women's javelin throw event at the 2010 World Junior Championships in Athletics was held in Moncton, New Brunswick, Canada, at Moncton Stadium on 20 and 21 July.
