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
St. Michaels Half Marathon St. Michaels Half Marathon The St. Michaels Half Marathon is an annual half marathon road race. The race is competed at the amateur level. Although the event does not have a title sponsor, Nationwide is considered the primary sponsor. The race is organized by the St. Michaels Running Festival, which also hosts a 10000 and 5000 m. The Festival attracted over 1,500 runners in its opening year, and approximately 3,000 in its second edition. St. Michaels Half Marathon is a USATF certified course, measuring exactly 13.1 miles. The course is relatively flat, with grades varying between +4% to -4%, while