Marathon from the start at Windsor Castle to the royal entrance to the White City Stadium, followed by a lap (586 yards 2 feet; 536 m) of the track, finishing in front of the Royal Box. The course was later altered to use a different entrance to the stadium, followed by a partial lap of 385 yards to the same finish. The modern standard distance for the marathon was set by the International Amateur Athletic Federation (IAAF) in May 1921 directly from the length used at the 1908 Summer Olympics in London. An official IAAF marathon course is 42.195 km (42
Paris Marathon medal to all runners who finished the race in less than 4 hours. The distance of 40 km was chosen as it was the distance separating Marathon from Athens. The current distance of the race is 42.195 km, which the IAAF established in 1921 as the standard length of a marathon, following the 1908 Olympic race in London. This first race was won by Len Hurst from England who crossed the finishing line in 2 hours, 31 minutes and 30 seconds. His prize money was 200 francs. Although the International Association of Athletics Federations credits Violet Piercy as the first