The standard distance for a marathon is 42.195 kilometers, which is also 26.2 miles. This distance has been in place since 1921 and is set by the International Association of Athletics Federations (IAAF).
The standard distance for a marathon is 42.195 kilometers, which is also 26.2 miles. This distance has been in place since 1921 and is set by the International Association of Athletics Federations (IAAF).