An ultramarathon, also called ultra distance or ultra running, is a footrace longer than the traditional marathon length of 42.195 kilometres. Various distances, surfaces, and formats are raced competitively, from the shortest common ultramarathon of 31 miles (50 km) and up to 3100 miles. World Championships are held by the International Association of Ultrarunners (IAU) for 50 km, 100 km, 24 hours, and ultra trail running. The Global Organization of Multi-Day Ultramarathoners (GOMU) holds World Championships for 48 hours and 6 days. World Records are ratified and recognized by World Athletics, the IAU, and by GOMU.
XTERRA is a series of cross triathlon races, i.e. three-sport races which include swimming, mountain biking, and trail running. The XTERRA Global Tour is owned and produced by XTERRA Sports Limited. The XTERRA race series is the best-known series of cross triathlons, and is considered by most to be the de facto world championship of the sport.
Conrad Willem Stoltz is a triathlete from South Africa. He is a four time XTERRA Triathlon World Champion and a three time ITU Cross Triathlon World Champion.
Mount Antero is the highest summit of the southern Sawatch Range of the Rocky Mountains of North America. The prominent 14,276-foot (4351.4 m) fourteener is located in San Isabel National Forest, 12.2 miles (19.6 km) southwest by south of the Town of Buena Vista in Chaffee County, Colorado, United States. The mountain is named in honor of Chief Antero of the Uintah band of the Ute people.
Dathan James Ritzenhein is a retired American long-distance runner, and current head coach of the On Athletics Club (OAC). He held the American record in the 5,000 metres (12:56.27) from 2009 to 2010, until it was broken by Bernard Lagat. He is a three-time national cross country champion with wins at the USA Cross Country Championships in 2005, 2008 and 2010. Formerly a Nike athlete for the majority of his professional career, Dathan joined the Hansons-Brooks Distance Project team in 2017. In early May 2020, he announced his retirement from competition. He signed with the Swiss shoe brand On shortly thereafter in June 2020 and currently acts as the coach for the OAC in Boulder, Colorado.
Adam Goucher is a retired American cross-country and track and field athlete. He ran for the United States at the 2000 Summer Olympics in the men's 5000 meters. Goucher primarily competed in distance events and is featured in Running With The Buffaloes, a book revolving around the 1998 season of the University of Colorado cross country team.
Matthew Edwin Carpenter is an American Ultramarathoner as a trail runner and in high altitude marathons.
Hassan Mead is a Somali-American long-distance runner. He was a cross country and track athlete for the University of Minnesota. An eight-time All-American in his Minnesota career, four in cross country and five in track.
Kílian Jornet is a Spanish professional long-distance trail runner and ski mountaineer. Widely regarded as one of the greatest trail runners of all time, he has won some of the most prestigious ultramarathons, including the Ultra-Trail du Mont-Blanc multiple times, Grand Raid, Western States and Hardrock.
Josh Cox is an American former long-distance runner. He is the former American record holder in the 50k.
The Manitou Springs Incline, also known as the Manitou Incline or simply the Incline, is a popular hiking trail rising above Manitou Springs, Colorado, near Colorado Springs. The Incline ascends on the east slope of Rocky Mountain which is itself on the eastern flank of Pikes Peak. The trail is the remains of a former 3 ft narrow gauge funicular railway whose tracks washed out during a rock slide in 1990. The Incline is famous for its sweeping views and steep grade, with an average grade of 45% (24°) and as steep as 68% (34°) in places, making it a fitness challenge for locals of the Colorado Springs area. The incline gains 2,011 feet (613 m) of elevation in 0.88 miles (1.42 km) horizontal. Currently the Incline has approximately 2,744 steps from the bottom to the summit, although the top step is numbered "2768". The number of steps changes occasionally with trail maintenance and deterioration.
Benjamin True is an American track and field and cross-country athlete, who competed for Dartmouth College and currently trains in Hanover, New Hampshire, while competing for Saucony and In the Arena. True was the top American at both the 2011 and 2013 IAAF World Cross Country Championships, as well as the 2011 USATF Road Running Circuit Champion, winning the 5 km and 10 km Road Championships along the way.
Emelie Tina Forsberg is a Swedish athlete specializing in trail running and ski mountaineering. She has won repeated victories in different disciplines, including European and World Championships.
Rachel Tomajczyk is an American distance running athlete.
Patrick Smyth is an American long distance runner from Salt Lake City. He had retired in 2020, but came back to competition in 2023.
Ben Blankenship is an American middle distance runner. He is a world record holder as a member of the 2015 USA Distance medley relay team, of which he ran the 1600-meter anchor leg.
Richard Paul Burgunder III is an American extreme sports athlete, adventurer, and mountaineer. Burgunder is a five-time XTERRA Trail Run Series Regional Champion and is the only runner in XTERRA Trail Run Series history to earn titles in four different regions. Burgunder has regional championship titles in New England (2009), northern Ohio (2011), Pocono, and Utah (2013). Burgunder made history in 2011 by winning XTERRA regional championships in two different regions.
Grayson Murphy is an American mountain runner. Representing the United States, she is a two-time world champion in mountain running and trail running, as well as a four-time US national champion in mountain running and vertical kilometer. At the University of Utah, Murphy competed in cross-country and track and field and was a five-time All-American.
Adam Peterman is an American professional ultra-distance and marathon runner.
Karel Sabbe is a Belgian dentist and ultrarunner. While Sabbe is not a professional athlete, he has repeatedly set several speed records on prominent trails and completed elite races such as Barkley Marathons.
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