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
U.S. Route 385 City, which passes by the Crazy Horse Memorial, now being carved in the Black Hills. This segment of US 385 is also a part of the George Hearst Memorial Highway. U.S. Route 385 U.S. Route 385 is a spur of U.S. Route 85 that runs for 1,206 miles (1,941 km) from Deadwood, South Dakota to Big Bend National Park in Texas. US 385 is designated as a part of the La Entrada al Pacifico trade corridor from Interstate 10 in Fort Stockton to Interstate 20 in Odessa. The section from Fort Stockton to McCamey is concurrent to US 67. From