A marathon is a distance race of 42.195 km (26 miles 385 yards) and, by extension, in general speech a lengthy, arduous or time-consuming undertaking.
By extension, in general speech it refers to a lengthy, arduous or time-consuming undertaking. A marathon is a distance race of 42.195 km (26 miles 385 yards).
A marathon is a distance race of 42.195 km (26 miles 385 yards). By extension, in general speech it refers to a lengthy, arduous or time-consuming undertaking.
A marathon is a distance race of 42.195 km (26 miles 385 yards). By extension, in general speech it refers to a lengthy, arduous or time-consuming undertaking.