| U20 European Championships all-time decathlon records | |||||
| Event | Result | Decathlete | Nation | Points | Venue |
| 100 m (<=2.0 m/s) | 10,65 (-1.0) | Jaakko Ojaniemi | FIN | 7763 | Riga 1999 |
| 100 m (>2.0 m/s) | 10,31 (+3.5) | Roko Farkaš | CRO | 7220v | Jerusalem 2023 |
| Long jump | 7.73 (+1.8) | Ladji Doucoure | FRA | 7747* | Grosseto 2001 |
| Shot put (6 kg) | 16.68 | Ludovic Besson | FRA | 7823 | Grosseto 2017 |
| Shot put (7.26 kg) | 15.27 | Michael Kohnle | FRG | 8114* | Varaždin 1989 |
| High jump | 2.17 | Mauri Kaattari | FIN | 7427 | Kaunas 2005 |
| 400 m | 46,21 WB | Hubert Trościanka | POL | 8514 WU20R | Tampere 2025 |
| 110 m hurdles (99 cm) | 13,57 (-0.1) | Simon Ehammer | SUI | 7851 | Boras 2019 |
| 110 m hurdles (107 cm) | 13,87 (-1.2) | Ladji Doucoure | FRA | 7747* | Grosseto 2001 |
| Discus throw (1.75 kg) | 54.75 | Jan Doležal | CZE | 7929 | Eskilstuna 2015 |
| Discus throw (2.0 kg) | 48.74 | Valter Külvet | URS | 7880* | Schwechat 1983 |
| Pole vault | 5.10 | Amadeus Gräber | GER | 8209v | Jerusalem 2023 |
| Javelin throw | 68.87 | Hubert Trościanka | POL | 8514 WU20R | Tampere 2025 |
| 1500 m | 4.09,09 | Benjamin Fenrich | FRA | 7009 | Novi Sad 2009 |
| 1st day | 4361 | Hubert Trościanka | POL | 8514 WU20R | Tampere 2025 |
| 10,74 - 7.26 - 15.48 - 1.94 - 46,21 | |||||
| 2nd day | 4265 | Niklas Kaul | GER | 8435 WU20R | Grosseto 2017 |
| 14,55 - 48.49 - 4.70 - 68.05 - 4.15,52 | |||||
| Running events | 3616 | Hubert Trościanka | POL | 8514 WU20R | Tampere 2025 |
| 10,74 - 46,21 - 14,23 - 4.28,59 | |||||
| Jumping events | 2689 | Yevgeniy Likhanov | RUS | 7975 | Rieti 2013 |
| 7.54 - 2.13 - 4.70 | |||||
| Throwing events | 2514 | Karel Tilga | EST | 8002 | Grosseto 2017 |
| 15.56 - 49.34 - 66.30 | |||||
| Decathlon | 8514 WU20R | Hubert Trościanka | POL | 8514 WU20R | Tampere 2025 |
| 10,74 - 7.26 - 15.48 - 1.94 - 46,21 - 14,23 - 43.36 - 4.80 - 68.87 - 4.28,59 | |||||
Senior implements were used through 2001. The 6 kg shot and 1.75 kg discus were first used at these championships in 2003; 99 cm hurdles followed in 2007. Records for different implement specifications are shown separately.
WU20R – world U20 record
CR – championship record
WB – world best
v – event with wind >2.0 m/s and <=4.0 m/s and wind average for 3 events <=2.0 m/s
* – senior implements (shot put 7.26 kg, hurdles 107 cm, discus 2.0 kg)