| Start Time: 16:35 +2 UTC Temperature 25° C, Humidity 53 %% Final Ranking Men Decathlon. |
| Heat 1 16:35 Wind +0.3 | time | | Points | L | Rk. | React. | bib | | 1. Janek Õiglane |  EST | 10.940s | PB | 874 | 5 | 13. | 0.136 | 693 | | 2. Ilya Shkurenyov |  ANA | 11.02s | SB | 856 | 4 | 15. | 0.162 | 118 | | 3. Maicel Uibo | EST | 11.10s | SB | 838 | 8 | 16. | 0.153 | 694 | | 4. Tim Nowak |  GER | 11.12s | SB | 834 | 3 | 17. | 0.171 | 922 | | 5. Pieter Braun |  NED | 11.16s | | 825 | 2 | 19. | 0.142 | 1423 | | 6. Niklas Kaul | GER | 11.27s | | 801 | 6 | 20. | 0.150 | 918 | | 7. Thomas van der Plaetsen |  BEL | 11.38s | | 778 | 7 | 21. | 0.147 | 252 | | 8. Keisuke Ushiro |  JPN | 11.44s | | 765 | 9 | 23. | 0.180 | 2079 |
| Heat 2 16:43 Wind +0.4 | time | | Points | L | Rk. | React. | bib | | 1. Paweł Wiesiołek |  POL | 10.759s | SB | 915 | 2 | 8. | 0.146 | 1542 | | 2. Kai Kazmirek | GER | 10.82s | SB | 901 | 4 | 9. | 0.151 | 919 | | 3. Devon Williams |  USA | 10.84s | | 897 | 5 | 10. | 0.135 | 1938 | | 4. Georni Jaramillo |  VEN | 10.88s | | 888 | 9 | 11. | 0.147 | 2030 | | 5. Martin Roe |  NOR | 10.933s | | 874 | 3 | 12. | 0.130 | 1489 | | 6. Vitaliy Zhuk |  BLR | 10.95s | | 872 | 8 | 14. | 0.136 | 283 | | 7. Fredrik Samuelsson |  SWE | 11.13s | | 832 | 7 | 18. | 0.129 | 1715 | | 8. Basile Rolnin |  FRA | 11.42s | | 769 | 6 | 22. | 0.140 | 788 |
| Heat 3 16:51 Wind +0.8 | time | | Points | L | Rk. | React. | bib | | 1. Damian Warner |  CAN | 10.35s | | 1011 | 2 | 1. | 0.180 | 416 | | 2. Pierce LePage | CAN | 10.36s | | 1008 | 6 | 2. | 0.188 | 408 | | 3. Kevin Mayer | FRA | 10.50s | PB | 975 | 8 | 3. | 0.142 | 785 | | 4. Lindon Victor |  GRN | 10.66s | | 938 | 3 | 3. | 0.113 | 1004 | | 5. Solomon Simmons | USA | 10.70s | | 929 | 7 | 5. | 0.159 | 1930 | | 6. Cedric Dubler |  AUS | 10.75s | | 917 | 5 | 6. | 0.154 | 164 | | 7. Harrison Williams | USA | 10.752s | | 915 | 9 | 7. | 0.176 | 1939 | | -. Timothy Duckworth |  GBR | DNS | | 0 | 4 | | | 824 |
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| World Decathlon Best: Damian Warenr, Canada 10.12s 30 years Gotzis (AUT) 25 May 2019 | | World Championship Decathlon Best: Ashton Eaton, United States 10.23s Beijing (CHN) 28 Aug 2015 |
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| Ranking after 1 event | points | | 1. Damian Warner | CAN | 1011 | | 2. Pierce LePage | CAN | 1008 | | 3. Kevin Mayer | FRA | 975 | | 4. Lindon Victor | GRN | 938 | | 5. Solomon Simmons | USA | 929 | | 6. Cedric Dubler | AUS | 917 | | 7. Paweł Wiesiołek | POL | 915 | | 7. Harrison Williams | USA | 915 | | 9. Kai Kazmirek | GER | 901 | | 10.Devon Williams | USA | 897 | | 11.Georni Jaramillo | VEN | 888 | | 12.Martin Roe | NOR | 874 | | 12.Janek Õiglane | EST | 874 | | 14.Vitaliy Zhuk | BLR | 872 | | 15.Ilya Shkurenyov | ANA | 856 | | 16.Maicel Uibo | EST | 838 | | 17.Tim Nowak | GER | 834 | | 18.Fredrik Samuelsson | SWE | 832 | | 19.Pieter Braun | NED | 825 | | 20.Niklas Kaul | GER | 801 | | 21.Thomas van der Plaetsen | BEL | 778 | | 22.Basile Rolnin | FRA | 769 | | 23.Keisuke Ushiro | JPN | 765 | | -.Timothy Duckworth | GBR | DNS |
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