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The 25K run (25 kilometers, approximately 15.52 miles) is a long distance running footrace that is between the distance of a half marathon and a marathon. It was formerly an official world record distance in road running by World Athletics, [1] but has since been downgraded to world best status. [2][3] Separately, the Association of Road Racing ...
Endurance running is often a component of physical military training. Long-distance running as a form of tradition or ceremony is known among the Hopi and Tarahumara people, among others. [4][5] In the sport of athletics, long-distance events are defined as races covering 3 km (1.9 mi) and above. The three most common types are track running ...
The marathon (from Greek Μαραθώνιος) is a long-distance foot race with a distance of 42.195 km (c. 26 mi 385 yd), [ 1 ] usually run as a road race, but the distance can be covered on trail routes. The marathon can be completed by running or with a run/walk strategy. There are also wheelchair divisions.
Geodesy. Earth's circumference is the distance around Earth. Measured around the equator, it is 40,075.017 km (24,901.461 mi). Measured passing through the poles, the circumference is 40,007.863 km (24,859.734 mi). [1] Measurement of Earth's circumference has been important to navigation since ancient times. The first known scientific ...
In November 2019, World Athletics (WA; formerly IAAF) also deleted several long-distance events (track distances of 20,000 metres, 25,000 metres and 30,000 metres and road distances of 15 km, 20 km, 25 km and 30 km) from the world record books.
The French lieue — at different times — existed in several variants, namely 10,000, 12,000, 13,200 and 14,400 French feet, about 3.25 to 4.68 km (2.02 to 2.91 miles). It was used along with the metric system for a while, but is long discontinued.
nautical units. 0.539 96 nmi. The kilometre (SI symbol: km; / ˈkɪləmiːtər / or / kɪˈlɒmətər /), 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 is the preferred measurement unit to express distances ...
1.280 km – span of the Golden Gate Bridge (distance between towers) [125] 1.609 km – 1 statute mile; 1.852 km – 1 nautical mile, equal to 1 arcminute of latitude at the surface of the Earth [126] 1.991 km – span of the Akashi Kaikyō Bridge [127] 2.309 km – axial length of the Three Gorges Dam, the largest dam in the world [34]