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World Championships. 1987–present. An ultramarathon, also called ultra distance or ultra running, is a footrace longer than the traditional marathon length of 42.195 kilometres (26 mi 385 yd). Various distances, surfaces, and formats are raced competitively, from the shortest common ultramarathon of 31 miles (50 km) and up to 3100 miles. [1]
The Barkley Marathons is an ultramarathon trail race held each year in Frozen Head State Park in Morgan County, Tennessee, United States. The course, which varies from year to year, consists of five loops of the 20+ mile, off-trail course for a total of 100 miles (160 km). The race is limited to a 60-hour period from the start of the first loop ...
The backyard ultra or last one standing is a form of ultramarathon race where competitors must consecutively run the distance of 6.706 kilometres (4.167 mi) in less than one hour, which is a pace of 100 miles per 24 hours. The race is over when only one runner remains to complete a lap. This runner is marked as the winner and only finisher ...
The Race Across America, or RAAM, is an ultra-distance road cycling race held across the United States that started in 1982 as the Great American Bike Race. RAAM is one of the longest annual endurance events in the world. All entrants must prove their abilities by competing in any of several qualifying events, completing a course within a ...
Spartan Race is a series of obstacle races of varying difficulty, ranging from 3 miles to ultra-marathon distances of 50k+. These races are held in the United States and have been franchised to 30 countries, including Canada, South Korea, Australia, the Philippines and several European countries. [2] [3] The series include the Spartan Sprint ...
The Western States Endurance Run, known commonly as the Western States 100 or Western States, is a 100.2-mile (161 km) ultramarathon that takes place on California's Sierra Nevada Mountains trails each year on the last full weekend of June. Western States is the oldest and one of the most competitive ultramarathons in the United States, and is ...
Cross country running is a sport in which teams and individuals run a race on open-air courses over natural terrain such as dirt or grass. The course, typically 3–12 kilometres (1.9–7.5 mi) long, may include surfaces of grass and earth, pass through woodlands and open country, and include hills, flat ground and sometimes gravel road and ...
Long slow distance ( LSD) is a form of aerobic endurance training used in sports including running, [1] rowing, [2] skiing [3] and cycling. [4] [5] It is also known as aerobic endurance training, base training and Zone 2 training. [6] Physiological adaptations to LSD training include improved cardiovascular function, improved thermoregulatory ...