| P | Athlete | Nation | Points | Results |
| 1 | Ashley Moloney | AUS | 8190 CR U20NR |
10,51 - 7.06 - 12.83 - 2.10 - 46,86 - 14,13 - 47.39 - 4.60 - 53.67 - 4.42,65 |
| 2 | Gary Haasbroek | AUS | 7798 PB |
10,92 - 7.26 - 13.28 - 2.01 - 49,20 - 14,26 - 40.54 - 4.30 - 55.25 - 4.35,48 |
| 3 | Simon Ehammer | SUI | 7642 PB |
11,14 - 7.45 - 13.44 - 2.01 - 50,15 - 14,13 - 36.22 - 4.70 - 49.09 - 4.47,36 |
| 4 | Manuel Wagner | GER | 7552 PB |
11,08 - 6.81 - 12.01 - 1.83 - 49,72 - 14,72 - 44.74 - 4.50 - 57.43 - 4.29,45 |
| 5 | Finley Gaio | SUI | 7455 | 10,97 - 7.28 - 14.58 - 1.86 - 49,94 - 13,90 - 36.96 - 4.30 - 48.65 - 4.55,46 |
| 6 | Leon Okafor | AUT | 7454 v U20NR |
11,41 - 6.62 - 14.03 - 1.92 - 50,27 - 14,98 - 44.63 - 4.50 - 56.44 - 4.46,50 |
| 7 | Kyle Garland | USA | 7451 | 10,97 - 6.40 - 15.11 - 2.01 - 50,59 - 13,99 - 42.56 - 4.00 - 53.00 - 4.58,42 |
| 8 | Andreas Bechmann | GER | 7333 PB |
11,30 - 6.81 - 14.17 - 1.92 - 48,92 - 14,97 - 42.74 - 4.40 - 41.96 - 4.43,48 |
| 9 | Manuel Dias | POR | 7212 U20NR |
11,23 - 6.93 - 12.86 - 1.83 - 49,81 - 15,06 - 37.64 - 4.60 - 46.82 - 4.40,25 |
| 10 | Juuso Toivonen | FIN | 7113 PB |
11,41 - 6.66 - 12.12 - 1.98 - 50,67 - 15,42 - 32.11 - 4.80 - 51.67 - 4.43,53 |
| 11 | Stepan Kekin | ANA | 6984 | 11,06 - 6.90 - 14.25 - 1.83 - 50,81 - 14,19 - 48.65 - 4.60 - 50.11 - 0 |
| 12 | Ayden Owens | PUR | 6744 PB |
10,67 - 6.94 - 13.71 - 1.92 - 0 - 13,74 - 42.72 - 4.30 - 43.06 - 4.44,76 |
v - event with wind >2.0 m/s and <=4.0 m/s and wind average for 3 events <=2.0 m/s.
CR - championship record
U20NR - national U20 record
PB - personal best
Didn’t finish:
Makenson Gletty (FRA), Steven Fauvel-Clinch (FRA)
Historical note: Ashley Moloney’s success earned him more than a gold medal. Training partner Cedric Dubler had promised him milkshakes if he broke 47 seconds for 400m and surpassed Dubler’s Australian U20 decathlon record. Moloney achieved both in Tampere, running 46.86 and scoring 8190 points.