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The 10K run is a long-distance road running competition over a distance of ten kilometres (6.2 miles). Also referred to as the 10K road race, 10 km, or simply 10K, it is one of the most common types of road running event, alongside the shorter 5K and longer half marathon and marathon.
The 10 kilometres race walk, or 10-kilometer racewalk, is a racewalking event. The event is competed as a road race. Athletes must always keep in contact with the ground and the supporting leg must remain straight until the raised leg passes it. 10 kilometers is 6.2 miles.
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).
10 October 1976: Washington D.C. 33:49 Marijke Moser (SUI) 19 May 1977: Bern: 32:33 Loa Olafsson (DEN) 25 February 1978: Copenhagen: 32:02 Grete Waitz (NOR) 26 January 1980: Hamilton, Bermuda: 31:41 Grete Waitz (NOR) 30 January 1982 Hamilton, Bermuda 31:32 Grete Waitz (NOR) 15 January 1983 Miami, FL, USA 31:25 Ingrid Kristiansen (NOR) 6 May 1984
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]
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).
The 10,000 metres race walk is a racewalking event. The event is competed as a track race. Athletes must always keep in contact with the ground and the supporting leg must remain straight until the raised leg passes it. 10,000 meters is 6.21 miles.
Fog particles are around 10–50 μm (0.00039–0.00197 in) long. To help compare different orders of magnitude, this section lists lengths between 10 −5 m and 10 −4 m (10 μm and 100 μm). 10 μm – width of cotton fibre [93] 10 μm – tolerance of a Lego brick [94] 10 μm – transistor width of the Intel 4004, the world's first ...