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
Nagano Olympic Commemorative Marathon Nagano Olympic Commemorative Marathon The Nagano Olympic Commemorative Marathon () is an annual marathon road race which takes place in mid-April in Nagano, Japan. It is an IAAF Bronze Label Road Race competition. The Nagano Marathon has races for both elite and amateur runners. It is named in honour of the 1998 Winter Olympics which were held in Nagano. The course has a point-to-point style and it has received accreditation from the Japan Association of Athletics Federations and AIMS. The route begins at the Nagano City Athletic Park and heads in a generally southern direction, passing the Zenkō-ji temple before