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The 5K run is a long-distance road running competition over a distance of five kilometres (3.107 mi). Also referred to as the 5K road race, 5 km, or simply 5K, it is the shortest of the most common road running distances. It is usually distinguished from the 5000 metres track running event by stating the distance in kilometres, rather than metres.
Using an interval of 30 mi (50 km), the length is about 2,100 mi (3,400 km). The coastline paradox states that a coastline does not have a well-defined length. Measurements of the length of a coastline behave like a fractal , being different at different scale intervals (distance between points on the coastline at which measurements are taken).
The kilometre (SI symbol: km; / ˈ k ɪ l ə m iː t ər / or / k ɪ ˈ l ɒ m ə t ər /), spelt kilometer in American and Philippine English, is a unit of length in the International System of Units (SI), equal to one thousand metres (kilo-being the SI prefix for 1000).
It was used along with the metric system for a while, but is long discontinued. A metric lieue was used in France from 1812 to 1840, with 1 metric lieue being exactly 4,000 m, or 4 km (about 2.5 mi). [4] It is this unit that is referenced in both the title and the body text of Jules Verne's novel Twenty Thousand Leagues Under the Seas (1870). [5]
Typical long-distance track races range from 3000 metres (1.87 miles) to 10,000 metres (6.2 miles), cross country races usually cover 5 to 12 km (3 to 7 1 ⁄ 2 miles), while road races can be significantly longer, reaching 100 km (62 mi) and beyond.
Time Athlete Date Place Ref 14:19 Luigi Conti (ITA) 23 September 1960 Bologna, Italy 13:56 Carlos Lopes (POR) 18 February 1973 Seia, Portugal 13:31 Mike McLeod (GBR) 4 April 1984
4 km – width of Central Park; 5.072 km – elevation of Tanggula Mountain Pass, below highest peak in the Tanggula Mountains, highest railway pass in the world as of August 2005 [143] 5.8 km – elevation of Cerro Aucanquilcha, highest road in the world, located in Chile [144] 98 airports have paved runways from 4 km to 5.5 km in length.
The 5000 metres or 5000-metre run is a common long-distance running event in track and field, approximately equivalent to 3 miles 188 yards or 16,404 feet 2 inches.It is one of the track events in the Olympic Games and the World Championships in Athletics, run over 12 + 1 ⁄ 2 laps of a standard 400 m track, or 25 laps on an indoor 200 m track.