Full name: marathon
Plural form: marathons
Category type: length
Scale factor: 42194.988
The SI base unit for length is the metre.
1 metre is equal to 2.3699497200947E-5 marathon.
Valid units must be of the length type.
You can use this form to select from known units:
Although marathon sometimes refers to any athletic event requiring great endurance, more specifically it refers to a long-distance track event of 42,195 m (26 miles and 385 yards).