Athletics at the 1912 Summer Olympics – Men's decathlon
The men's decathlon was a track and field athletics event held as part of the athletics at the 1912 Summer Olympics programme. The competition was held from Saturday, July 13, 1912, to Monday, July 15, 1912. It was the first time the decathlon, which had been introduced in 1911, was held at the Olympics; a different ten-event competition, the all-around, had been contested in St. Louis in 1904. Twenty-nine decathletes from twelve nations competed. NOCs could enter up to 12 athletes.