The 6-Day Race became a standard footrace distance in the 1870s and was a popular form of entertainment with up to 70,000 paying visitors during such a Pedestrians event. However the widespread use of the bicycle from 1890 caused it to be replaced as spectator sport by cycle races of the same duration.[1] It was in two forms: strict "heel-and-toe" racewalking, or "go-as-you-please" combination of walking, jogging, running.