Since 1922, 38 decathlon world records have been set - 8 at the Olympics, with the last in 1984—but score comparisons over time are difficult due to multiple changes in the points tables.
In the early days the decathlon was sometimes completed in a single day, but sometimes also spread over three days. The timing situation in each particular case can be worked out from the relevant given dates. Throughout, the ensuing statistics
Decathlon 2000 has pretty much everything you could want to know about decathlon. Whenever I go to a decathlon, you can be sure that I’ve got a sheaf of Decathlon 2000 athlete profiles printed, tabbed, and highlighted in my notebook - Gabby Pieraccini