This page lists the World Best Year Performance in the year 2008 in the men's decathlon. The main event during this season were the 2008 Olympic Games in Beijing, PR China, where the competition was held at the Beijing National Stadium on August 21 and August 22.
| Standing records prior to the 2008 season in track and field | ||||
|---|---|---|---|---|
| World Record |  Roman Šebrle (CZE) |
9026 | May 27, 2001 |  Götzis, Austria
|
| Rank | Points | Athlete | Venue | Date | Note |
|---|---|---|---|---|---|
| 1 | 8832 |  Bryan Clay (USA) |
Eugene, United States | 2008-06-30 | |
| 2 | 8585 |  Andrei Krauchanka (BLR) |
Hengelo, Netherlands | 2008-06-29 | |
| 3 | 8534 | Trey Hardee (USA) |
Eugene, United States | 2008-06-30 | |
| 4 | 8527 |  Leonel Suárez (CUB) |
Beijing, PR China | 2008-08-22 | |
| 5 | 8511 | Tom Pappas (USA) |
Eugene, United States | 2008-06-30 | |
| 6 | 8504 |  Dmitriy Karpov (KAZ) |
Götzis, Austria | 2008-06-01 | |
| 7 | 8497 |  Aleksey Sysoyev (RUS) |
Götzis, Austria | 2008-06-01 | |
| 8 | 8434 |  Maurice Smith (JAM) |
Kladno, Czech Republic | 2008-06-19 | |
| 9 | 8381 | Aleksandr Pogorelov (RUS) |
Götzis, Austria | 2008-06-01 | |
| 10 | 8372 |  Arthur Abele (GER) |
Ratingen, Germany | 2008-06-22 | |
| 11 | 8273 | André Niklaus (GER) |
Ratingen, Germany | 2008-06-22 | |
| 12 | 8253 |  Romain Barras (FRA) |
Beijing, PR China | 2008-08-22 | |
| 13 | 8248 | Michael Schrader (GER) |
Ratingen, Germany | 2008-06-22 | |
| 14 | 8242 | Pascal Behrenbruch (GER) |
Götzis, Austria | 2008-06-01 | |
| 15 | 8241 | Roman Šebrle (CZE) |
Beijing, PR China | 2008-08-22 | |
| 16 | 8238 |  Oleksiy Kasyanov (UKR) |
Beijing, PR China | 2008-08-22 | |
| 17 | 8233 |  Eugène Martineau (NED) |
Ratingen, Germany | 2008-06-22 | |
| 18 | 8208 | Aleksey Drozdov (RUS) |
Götzis, Austria | 2008-06-01 | |
| 19 | 8199 | Norman Müller (GER) |
Manhattan, United States | 2008-08-03 | |
| 20 | 8191 | Jake Arnold (USA) |
Manhattan, United States | 2008-08-03 | |
| 21 | 8178 |  Mikk Pahapill (EST) |
Beijing, PR China | 2008-08-22 | |
| 22 | 8175 | Mustafa Abdur-Rahim (USA) |
Manhattan, United States | 2008-08-03 | |
| 23 | 8143 | Chris Helwick (USA) |
Manhattan, United States | 2008-08-03 | |
| 24 | 8142 |  Frédéric Xhonneux (BEL) |
Desenzano del Garda, Italy | 2008-05-11 | |
| 25 | 8122 | Ashton Eaton (USA) |
Eugene, United States | 2008-06-30 |
