The men's all-around championship event was held at Francis Field in St. Louis, Missouri on July 4, 1904.

It was the only time the all-around, a forerunner to the later decathlon, was contested at the Olympics; whether the competition was part of the Olympic program has been disputed, but the International Olympic Committee currently recognizes it as an official Olympic event.

[1] 7 athletes from 2 nations competed.

Tom Kiely, an Irishman, won with 6036 points.