| Venue: Estádio Olímpico João Havelange (Estádio Nilton Santos-Botafogo), Capacity: 46,931. |
| Day 1: Wednesday 17.08, Day 2: Thursday 18.08. world Men Decathlon History |
| Final Ranking | Total | 100m | Long Jump | Shot Put | High Jump | 400m | 110m,br>Hurdles | Discus Throw | Pole Vault | Javelin Throw | 1500m | bib | ||
| 1. Ashton Eaton |  USA | 8893 | OR | 10.46s 985 2. | 7.94m 1045 1. | 14.73m 773 10. | 2.01m 813 14. | 46.07s 1005 1. | 13.80s 1000 2. | 45.49m 777 8. | 5.20m 972 3. | 59.77m 734 18. | 4:23.33 789 4. | 3065 |
| 2. Kevin Mayer |  FRA | 8834 | 10.81s 903 9. | 7.60m 960 5. | 15.76m 836 1. | 2.04m 840 10. | 48.28s 896 8. | 14.02s 972 3. | 46.78m 804 6. | 5.40m 1035 1. | 65.04m 814 6. | 4:25.49 774 6. | 2429 | |
| 3. Damian Warner |  CAN | 8666 | SB | 10.30s 1023 1. | 7.67m 977 3. | 13.66m 708 23. | 2.04m 840 10. | 47.35s 941 3. | 13.58s 1029 1. | 44.93m 765 11. | 4.70m 819 15. | 63.19m 786 11. | 4:24.90 778 5. | 2210 |
| 4. Kai Kazmirek |  GER | 8580 | PB | 10.78s 910 7. | 7.69m 982 2. | 14.20m 741 15. | 2.10m 896 5. | 46.75s 971 2. | 14.62s 896 15. | 43.25m 731 17. | 5.00m 910 8. | 64.60m 807 8. | 4:31.25 736 9. | 2505 |
| 5. Larbi Bourrada |  ALG | 8521 | 10.75s 917 5. | 7.52m 940 8. | 13.78m 715 21. | 2.10m 896 5. | 47.98s 910 4. | 14.15s 955 5. | 42.39m 713 19. | 4.60m 790 18. | 66.49m 836 5. | 4:14.60 849 1. | 2004 | |
| 6. Leonel Suarez |  CUB | 8460 | SB | 11.21s 814 28. | 7.14m 847 19. | 14.27m 745 13. | 2.07m 868 8. | 48.15s 902 6. | 14.48s 913 12. | 47.07m 810 5. | 4.90m 880 10. | 72.32m 925 1. | 4:28.32 756 7. | 2289 |
| 7. Zach Ziemek | USA | 8392 | 10.71s 926 3. | 7.49m 932 9. | 13.44m 694 25. | 2.10m 896 5. | 49.83s 822 21. | 14.77s 878 17. | 49.42m 858 3. | 5.20m 972 3. | 60.92m 752 15. | 4:42.97 662 18. | 3106 | |
| 8. Thomas Van Der Plaetsen |  BEL | 8332 | PB | 11.24s 808 29. | 7.66m 975 4. | 12.84m 657 28. | 2.16m 953 2. | 49.63s 832 19. | 15.01s 848 22. | 43.58m 738 15. | 5.40m 1035 1. | 62.09m 769 12. | 4:34.21 717 13. | 2097 |
| 9. Kurt Felix |  GRN | 8323 | PB | 10.93s 876 19. | 7.42m 915 13. | 14.77m 776 9. | 2.07m 868 8. | 49.14s 855 16. | 14.79s 875 18. | 45.10m 769 9. | 4.50m 760 20. | 69.92m 888 2. | 4:30.53 741 8. | 2538 |
| 10.Luiz Alberto De Araujo |  BRA | 8315 | PB | 10.77s 912 6. | 7.48m 930 10. | 15.26m 806 3. | 1.92m 731 25. | 48.14s 902 5. | 14.17s 953 6. | 45.10m 769 9. | 4.90m 880 10. | 57.28m 697 19. | 4:31.46 735 10. | 2135 |
| 11.Jeremy Taiwo | USA | 8300 | 11.01s 858 20. | 7.45m 922 12. | 14.92m 785 6. | 2.19m 982 1. | 48.78s 872 12. | 14.57s 902 13. | 39.91m 663 22. | 5.00m 910 8. | 51.29m 608 23. | 4:21.96 798 3. | 3099 | |
| 12.Adam Sebastian Helcelet |  CZE | 8291 | PB | 11.06s 847 23. | 7.35m 898 14. | 15.11m 796 4. | 2.04m 840 10. | 49.51s 837 18. | 14.37s 927 10. | 44.13m 749 14. | 4.70m 819 15. | 68.20m 862 3. | 4:34.41 716 14. | 2300 |
| 13.Bastien Auzeil | FRA | 8064 | 11.17s 823 27. | 7.07m 830 23. | 15.41m 815 2. | 1.98m 785 19. | 49.34s 845 17. | 14.82s 871 19. | 42.23m 710 20. | 5.10m 941 6. | 61.91m 767 13. | 4:40.50 677 16. | 2412 | |
| 14.Cedric Dubler |  AUS | 8024 | 10.86s 892 15. | 7.47m 927 11. | 11.49m 575 30. | 2.13m 925 3. | 48.18s 900 7. | 14.30s 936 8. | 38.89m 642 23. | 4.90m 880 10. | 51.82m 616 22. | 4:32.12 731 11. | 2036 | |
| 15.Arthur Abele | GER | 8013 | 10.87s 890 16. | 6.97m 807 27. | 15.03m 792 5. | 1.98m 785 19. | 49.02s 860 14. | 14.12s 959 4. | 44.66m 760 12. | 4.50m 760 20. | 64.13m 800 9. | 4:53.07 600 24. | 2488 | |
| 16.Lindon Victor | GRN | 7998 | 10.83s 899 12. | 7.11m 840 22. | 14.80m 777 8. | 1.98m 785 19. | 49.80s 824 20. | 15.74s 762 26. | 53.24m 938 1. | 4.40m 731 25. | 63.54m 791 10. | 4:44.73 651 19. | 2541 | |
| 17.Pau Tonnesen |  ESP | 7982 | 11.32s 791 32. | 7.33m 893 15. | 13.69m 709 22. | 2.01m 813 14. | 50.81s 778 26. | 14.99s 851 21. | 46.31m 794 7. | 5.20m 972 3. | 60.15m 740 17. | 4:46.27 641 21. | 2370 | |
| 18.Yordani Garcia | CUB | 7961 | 10.81s 903 9. | 6.83m 774 28. | 14.58m 764 11. | 2.01m 813 14. | 48.69s 876 11. | 14.25s 942 7. | 40.34m 671 21. | 4.50m 760 20. | 64.70m 809 7. | 4:44.99 649 20. | 2272 | |
| 19.Dominik Distelberger |  AUT | 7954 | 10.84s 897 14. | 7.33m 893 15. | 13.40m 692 26. | 1.89m 705 27. | 48.61s 880 10. | 14.39s 925 11. | 38.09m 626 24. | 4.80m 849 14. | 61.83m 765 14. | 4:33.47 722 12. | 2057 | |
| 20.Keisuke Ushiro |  JPN | 7952 | 11.30s 795 31. | 6.83m 774 28. | 14.14m 737 17. | 1.98m 785 19. | 50.43s 795 25. | 15.09s 839 24. | 49.90m 868 2. | 4.90m 880 10. | 66.63m 838 4. | 4:46.33 641 22. | 2662 | |
| 21.Pawel Wiesiolek |  POL | 7784 | 10.88s 888 18. | 6.73m 750 30. | 14.17m 739 16. | 2.01m 813 14. | 50.18s 806 23. | 15.09s 839 24. | 48.32m 835 4. | 4.50m 760 20. | 56.68m 688 21. | 4:42.27 666 17. | 2856 | |
| 22.Akihiko Nakamura | JPN | 7612 | 11.04s 852 22. | 7.13m 845 21. | 12.00m 606 29. | 1.92m 731 25. | 48.93s 865 13. | 14.57s 902 13. | 34.91m 562 26. | 4.70m 819 15. | 51.24m 607 24. | 4:18.37 823 2. | 2651 | |
| 23.Karl Robert Saluri |  EST | 7223 | 10.82s 901 11. | 7.02m 818 24. | 13.88m 721 20. | 1.77m 602 28. | 50.32s 800 24. | 16.51s 676 27. | 42.96m 725 18. | 4.50m 760 20. | 46.42m 536 25. | 4:39.40 684 15. | 2385 | |
| 24.Maicel Uibo | EST | 7170 | 11.16s 825 26. | 7.14m 847 19. | No mark 0 | 2.13 925 3. | 51.08s 765 27. | 14.84s 869 20. | 37.69m 618 25. | 5.10m 941 6. | 60.52m 746 16. | 4:47.49 634 23. | 2386 | |
| 25.Jiri Sykora | CZE | 6237 | 11.15s 827 25. | 7.00m 814 25. | 13.45m 695 24. | 1.98m 785 19. | 49.88s 820 22. | 15.02s 847 23. | 44.49m 756 13. | No mark 0 | 693m 693 20. | 0 | 2308 | |
| -. Mihail Dudas |  SRB | DNF | 10.83s 899 12. | 7.29m 883 17. | 14.23m 742 14. | 2.04m 840 10. | 49.13s 855 15. | 14.65s 892 16. | 43.27m 731 16. | 4.60m 790 18. | DNS | 2936 | ||
| -. Oleksiy Kasyanov |  UKR | DNF | 10.78s 910 7. | 7.54m 945 7. | 14.50m 759 12. | 2.01m 813 14. | 48.56s 882 9. | 14.34s 931 9. | No mark 0 | 3028 | ||||
| -. Pieter Braun |  NED | DNF | 11.03s 854 21. | 7.55m 947 6. | 13.90m 722 19. | 1.95m 758 24. | DNS | 2781 | ||||||
| -. Leonid Andreev |  UZB | DNF | 11.29s 797 30. | 6.60m 720 31. | 14.86m 781 7. | DNS | 3109 | |||||||
| -. Willem Coertzen |  RSA | DNF | 11.12s 834 24. | 6.98m 809 26. | 14.00m 728 18. | DNS | 2895 | |||||||
| -. Rico Freimuth | GER | DNF | 10.73s 922 4. | 7.17m 854 18. | 13.27m 684 27. | DNS | 2495 | |||||||
| -. Eelco Sintnicolaas | NED | DNF | 10.87s 890 16. | DNS | 2788 | |||||||||
