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The 15K run (15 kilometers, or approximately 9.32 miles) is a long-distance foot race.It is a rarely held race that is not recognized as an Olympic event. The overall world best time for men was set by Jacob Kiplimo en route the Lisbon Half Marathon.
10.8 km (6.7 mi) to 13.2 km (8.2 mi) - From The Ancient Geography of India, 1871, Alexander Cunningham, estimated by comparison with Chinese units of length. [ 19 ] 8.0 km (5 mi) - 1997, Thompson, from dividing the earths diameter by the yojana circumferences offered In the Surya Siddhanta and Aryabhatiya (late 4th-century to 5th-century CE ...
Converts measurements to other units. Template parameters [Edit template data] This template prefers inline formatting of parameters. Parameter Description Type Status Value 1 The value to convert. Number required From unit 2 The unit for the provided value. Suggested values km2 m2 cm2 mm2 ha sqmi acre sqyd sqft sqin km m cm mm mi yd ft in kg g mg lb oz m/s km/h mph K C F m3 cm3 mm3 L mL cuft ...
15 km (village) This page was last edited on 15 ... This page was last edited on 15 August 2018, at 21:18 (UTC).
The 20,000 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. 20,000 metres is 12.4274 miles.
A value of 9.460 536 207 × 10 15 m found in some modern sources [15] [16] is the product of a mean Gregorian year (365.2425 days or 31 556 952 s) and the defined speed of light (299 792 458 m/s). Another value, 9.460 528 405 × 10 15 m , [ 17 ] is the product of the J1900.0 mean tropical year and the defined speed of light.
Teams of 6 to 12 runners run approximately 200 miles (320 km) over two days and one night. Founded in 2004, Ragnar hosts both road and trail relays across the United States and Canada. With 20 relays in different locations, the Ragnar Relay Series is the largest series of relays in the United States.
Posidonius calculated the Earth's circumference by reference to the position of the star Canopus.As explained by Cleomedes, Posidonius observed Canopus on but never above the horizon at Rhodes, while at Alexandria he saw it ascend as far as 7 + 1 ⁄ 2 degrees above the horizon (the meridian arc between the latitude of the two locales is actually 5 degrees 14 minutes).