| Olympic Games decathlon all-time records | |||||
| Event | Result | Decathlete | Nation | Points | Venue |
| 100 m | 10,12 WB (+0.2) | Damian Warner | CAN | 9018 | Tokyo 2021 |
| Long jump | 8.24 (+0.2) | Damian Warner | CAN | 9018 | Tokyo 2021 |
| Shot put | 16.97 | Michael Smith | CAN | 8271 | Atlanta 1996 |
| High jump | 2.27 | Christian Schenk | GDR | 8488 | Seoul 1988 |
| 400 m | 45,68 | Bill Toomey | USA | 8144 | Mexico City 1968 ↗ |
| 110 m hurdles | 13,46 (-1.0) | Damian Warner | CAN | 9018 | Tokyo 2021 |
| Discus throw | 53.91 | Lindon Victor | GRN | 8711 | Paris 2024 |
| Pole vault | 5.70 | Timothy Bright | USA | 8216 | Seoul 1988 |
| Javelin throw | 77.78 | Niklas Kaul | GER | 8445 | Paris 2024 |
| 1500 m | 4.05,91 | Leonid Litvinenko | URS | 7970 | München 1972 |
| 1st day | 4722 | Damian Warner | CAN | 9018 | Tokyo 2021 |
| 10,12 - 8.24 - 14.80 - 2.02 - 47,48 | |||||
| 2nd day | 4399 | Kevin Mayer | FRA | 8834 | Rio de Janeiro 2016 |
| 14,02 - 46.78 - 5.40 - 65.04 - 4.25,49 | |||||
| Running events | 3783 | Damian Warner | CAN | 9018 | Tokyo 2021 |
| 10,12 - 47,48 - 13,46 - 4.31,08 | |||||
| Jumping events | 2963 | Thomas van der Plaetsen | BEL | 8332 | Rio de Janeiro 2016 |
| 7.66 - 2.16 - 5.40 | |||||
| Throwing events | 2722 | Bryan Clay | USA | 8791 | Beijing 2008 |
| 16.27 - 53.79 - 70.97 | |||||
| Decathlon | 9018 OR | Damian Warner | CAN | 9018 | Tokyo 2021 |
| 10,12 - 8.24 - 14.80 - 2.02 - 47,48 - 13,46 - 48.67 - 4.90 - 63.44 - 4.31,08 | |||||
| Olympic Games decathlon all-time champions | ||||
| Olympics | Decathlete | Nation | Points | Original score |
| Stockholm 1912 | James Thorpe | USA | 6564 OR | 8412,955 |
| Berlin 1916 | Games suspended due to World War I | |||
| Antwerpen 1920 | Helge Lovland | NOR | 5803 | 6803,355 |
| Paris 1924 | Harold Osborn | USA | 6476 WR | 7710,775 |
| Amsterdam 1928 | Paavo Yrjölä | FIN | 6587 WR | 8053,290 |
| Los Angeles 1932 | James Bausch | USA | 6736 WR | 8462,235 |
| Berlin 1936 | Glenn Morris | USA | 7254 WR | 7900 |
| Helsinki 1940 | Games suspended due to World War II | |||
| London 1944 | Games suspended due to World War II | |||
| London 1948 | Robert Mathias | USA | 6628 | 7139 |
| Helsinki 1952 | Robert Mathias | USA | 7592 WR | 7887 |
| Melbourne 1956 | Milton Campbell | USA | 7614 OR | 7937 |
| Roma 1960 | Rafer Johnson | USA | 7926 OR | 8392 |
| Tokyo 1964 | Willi Holdorf | EUA | 7726 | 7887 |
| Mexico City 1968 ↗ | William Toomey | USA | 8144 OR | 8193 |
| München 1972 | Mykola Avilov | URS | 8466 WR | 8454 |
| Montreal 1976 | Bruce Jenner | USA | 8634 WR | 8618 |
| Moscow 1980 | Daley Thompson | GBR | 8522 | 8495 |
| Los Angeles 1984 | Daley Thompson | GBR | 8847 WR | 8798 |
| Seoul 1988 | Christian Schenk | GDR | 8488 | |
| Barcelona 1992 | Robert Zmelik | TCH | 8611 | |
| Atlanta 1996 | Dan O'Brien | USA | 8824 | |
| Sydney 2000 | Erki Nool | EST | 8641 | |
| Athens 2004 | Roman Šebrle | CZE | 8893 OR | |
| Beijing 2008 | Bryan Clay | USA | 8791 | |
| London 2012 | Ashton Eaton | USA | 8869 | |
| Rio de Janeiro 2016 | Ashton Eaton | USA | 8893 OR | |
| Tokyo 2021 | Damian Warner | CAN | 9018 OR | |
| Paris 2024 | Markus Rooth | NOR | 8796 NR | |
| Olympic Games decathlon all-time medal table | ||||||
| Country | Nation | Flag | Gold | Silver | Bronze | Total |
| USA | USA | 14 | 7 | 6 | 27 | |
| Great Britain | GBR | 2 | - | - | 2 | |
| Norway | NOR | 2 | - | - | 2 | |
| Soviet Union | URS | 1 | 3 | 4 | 8 | |
| Finland | FIN | 1 | 2 | - | 3 | |
| Czech Republic | CZE | 1 | 1 | 1 | 3 | |
| East Germany | GDR | 1 | 1 | - | 2 | |
| Canada | CAN | 1 | - | 2 | 3 | |
| Estonia | EST | 1 | - | 1 | 2 | |
| United Team of Germany | EUA | 1 | - | 1 | 2 | |
| Czechoslovakia | TCH | 1 | - | - | 1 | |
| West Germany | FRG | - | 3 | 2 | 5 | |
| France | FRA | - | 3 | - | 3 | |
| Sweden | SWE | - | 2 | 2 | 4 | |
| Germany | GER | - | 2 | 1 | 3 | |
| Chinese Taipei | TPE | - | 1 | - | 1 | |
| Belarus | BLR | - | 1 | - | 1 | |
| Spain | ESP | - | 1 | - | 1 | |
| Cuba | CUB | - | - | 2 | 2 | |
| Kazakhstan | KAZ | - | - | 1 | 1 | |
| Poland | POL | - | - | 1 | 1 | |
| Australia | AUS | - | - | 1 | 1 | |
| Grenada | GRN | - | - | 1 | 1 | |
Original score shows the total under the scoring tables used at the time. In 1964, Willi Holdorf and Hans-Joachim Walde represented the United Team of Germany (EUA); their medals are counted separately from West Germany.
In 2022, the IOC recognised James Thorpe as the sole 1912 Olympic decathlon champion. Hugo Wieslander and Charles Lomberg retain silver medals, and Gösta Holmér retains bronze. This accounts for the additional silver medal in the totals.
WR – world record
NR – national record
OR – Olympic record
WB – world best
↗ – high altitude event