An ultramarathon, also called ultra distance or ultra running, is any footrace longer than the traditional marathon length of 42.195 kilometres. Various distances are raced competitively, from the shortest common ultramarathon of 50 kilometres (31 mi) to over 100 kilometres (62 mi). 50k and 100k are both World Athletics record distances, but some 100 miles (160 km) races are among the oldest and most prestigious events, especially in North America. Around 100 miles is typically the longest course distance raced in under 24 hours but there are also longer multi-day races of 200 miles (320 km) or more, sometimes raced in stages with breaks for sleep. While some ultras are road races, many take place on trails, leading to a large overlap with the sports of trail running and mountain running.
Fell running, also sometimes known as hill running, is the sport of running and racing, off-road, over upland country where the gradient climbed is a significant component of the difficulty. The name arises from the origins of the English sport on the fells of northern Britain, especially those in the Lake District. It has elements of trail running, cross country and mountain running, but is also distinct from those disciplines.
Mountain running is a sports discipline which takes place mainly off-road in mountainous terrain, but if there is significant elevation gain on the route, surfaced roads may be used. In this it differs from fell running; also its courses are more clearly marked and avoid dangerous sections. It is a form of trail running if it is run on unpaved surfaces. Mountain running is a combination of running, jogging, and walking, depending on how steep the trail is.
The European Mountain Running Championships is an annual international mountain running race. Inaugurated in 2002, it is organised by the European Athletic Association (EAA) in July each year. The venue for the championships is changed each year.
The World Mountain Running Association (WMRA) is the global governing body of mountain running.
The World Mountain Running Championships, is an international mountain running competition contested by athletes of the members of WMRA, World Mountain Running Association, the sport's global governing body.
The World Long Distance Mountain Running Championships, is an annual international mountain running competition organised by the World Mountain Running Association (WMRA).
The NACAC Mountain Running Championships is an annual Mountain running competition organized by NACAC for athletes representing the countries of its member associations. Until 2012, only the participation of athletes from Canada, Mexico, and the United States was reported. The event was established in 2004.
The South American Mountain Running Championships is an annual Mountain running competition organized by CONSUDATLE for athletes representing the countries of its member associations. The event was established in 2006.
The African Mountain Running Championships was an annual Mountain running competition organized by the CAA for athletes representing the countries of its member associations. The event was established in 2009 and ceased in 2014.
The 2012 European Mountain Running Championships were held on 7 July at Pamukkale in Denizli, Turkey. They were that year's area championships for mountain running, held by the European Athletic Association in conjunction with the Turkish Athletic Federation. The competition featured four races, with senior and junior races for both men and women. A total of 163 runners from 21 nations started the competition.
Joseph Gray is an American world champion runner who competes mostly in trail, mountain and snowshoe races. He won the World Mountain Running Championships in 2016. He is the first Black American to not only make the Team USA World Mountain Running Team, but also the first Black American to win the USA National Mountain Running Championships and the World Mountain Running Championships.
The 2017 World Long Distance Mountain Running Championships, was the 14th edition of the global Mountain running competition, World Long Distance Mountain Running Championships, organised by the World Mountain Running Association and was held in Premana, Italy on 6 August 2017.
The 2016 World Long Distance Mountain Running Championships, was the 13th edition of the global Mountain running competition, World Long Distance Mountain Running Championships, organised by the World Mountain Running Association and was held in Podbrdo, Slovenia on 18 June 2016.
The 2015 World Long Distance Mountain Running Championships, was the 12th edition of the global Mountain running competition, World Long Distance Mountain Running Championships, organised by the World Mountain Running Association and was held in Zermatt, Switzerland on 4 July 2015.
The 2017 World Mountain Running Championships was the 33rd edition of the global Mountain running competition, World Mountain Running Championships, organised by the World Mountain Running Association and was held in Premana, Italy on 30 June 2017.
The 2015 World Mountain Running Championships was the 31st edition of the global mountain running competition, World Mountain Running Championships, organised by the World Mountain Running Association and was held in Betws-y-Coed, United Kingdom on 19 September 2015.
The 2018 World Mountain Running Championships was the 34th edition of the global mountain running competition, World Mountain Running Championships, organised by the World Mountain Running Association and was held in Canillo, Andorra on 16 September 2018.
The 2019 World Long Distance Mountain Running Challenge was the 16th edition of the global Mountain running competition, World Long Distance Mountain Running Championships, organised by the World Mountain Running Association.
The 2019 World Mountain Running Challenge was the 35th edition of the global Mountain running competition, World Mountain Running Championships, organised by the World Mountain Running Association.
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Uganda 
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