Ironman World Championship miles to link it to the start of the marathon course. In 1981 the race was moved to the less urbanized Big Island, keeping the distances the same: a open water swim in Kailua-Kona Bay, a bike ride across the Hawaiian lava desert to Hāwī and back, and a marathon (26 miles 385 yards, 42.195 km) run along the coast of the Big Island from Keauhou to Keahole Point and back to Kailua-Kona, finishing on Alii Drive. Since 1982, the race has been held in the fall each year, before which it was held in the spring, giving two races
Antarctica Marathon Pole has also witnessed runners braving conditions to complete a full 26.2 mile race. Both for-profit and free events have been held outside the Amundsen–Scott South Pole Station. The South Pole is possibly the first known location of an Ultra Marathon on the continent, when defining an Ultra as anything over 26.2 miles. Key: Antarctica Marathon The Antarctica Marathon may have been the first for-profit sporting event held in Antarctica, on January 28, 1995. The event is now held every year in late February or early March. The race is held on King George Island, one of the largest Antarctic