Distance runners know that 42.2 kilometers is closest to this many miles
.... 
Because I knew if I did that no one would believe women could run distances and 
deserved... [DOC] [TLE] marathon | race | Britannica.com [PAR] By the late 20th century, road racing, and marathon running in particular, had 
grown to ... Ahmed Salah, the most accomplished Djiboutian marathoner, won 
several ... A marathon is a footrace with a distance of exactly 26 miles and 385 
yards (42.2 kilometers).