Long-distance running only the placing is of importance. Other less popular variants such as fell running, trail running, mountain running and tower running combine the challenge of distance with a significant incline or change of elevation as part of the course. Multisport races frequently include endurance running. Triathlon, as defined by the International Triathlon Union, may feature running sections ranging from five kilometres (3.1 mi) to the marathon distance (42.195 kilometres, or 26 miles and 385 yards), depending on the race type. The related sport of duathlon is a combination of cycling and distance running. Previous versions of the modern pentathlon incorporated
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