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
Asian Marathon Championships Asian Marathon Championships The Asian Marathon Championships is a biennial international competition in marathon road running for Asian athletes. Organised by the Asian Athletics Association, its creation in 1988 followed decision to drop the 42.195-kilometre (26-mile and 385-yard) race from the programme of events at the Asian Athletics Championships. In that competition, championship marathons were held for men in 1973 and 1975, then finally for both men and women at the 1985. The first discrete men's and women's Asian championship marathons in 1988 were held at different locations. The men's side was incorporated into that year's Lake Biwa Marathon while