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
Noquemanon Ski Marathon American Ski Marathon Series and FIS North American Marathon Cup. Aside from the marathon, individuals can choose from 5 different races, all varying in length and type. All skiing events (except touring class) can be completed either classic or freestyle. Annual snowfall across the marathon course varies significantly. At the race start in Ishpeming, annual season snowfall is around 200 inches, while at the race start, around 100 inches of snow typically falls during the winter months in Marquette. Noquemanon Ski Marathon The Noquemanon Ski Marathon, locally referred to as "The Noque", is a point-to-point cross-country ski race held in