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1,760 yards: On 1 July 1959, the imperial mile was standardized to an exact length in metres 1,609.3472 (statute) mile: United States: 1893: today: 1,760 yards: From 1959; also called the U.S. Survey Mile. From then its only utility has been land survey, before it was the standard mile. From 1893 its exact length in metres was: 3,600 / ...
The radar mile is a unit of time (in the same way that the light year is a unit of distance), equal to the time required for a radar pulse to travel a distance of two miles (one mile each way). Thus, the radar statute mile is 10.8 μs and the radar nautical mile is 12.4 μs. [91]
The 10-mile run is a long-distance running event over a distance of ten miles (16.1 kilometres). It can be held on a road course or on a running track. Also referred to as a 10-miler or 10 miles run, it is a relatively common distance in countries that use the mile as a unit of measure.
10 miles: 53:49.9+ Molly Huddle: November 1, 2020 Attleboro, United States [95] One hour: 17930 m Molly Huddle: November 1, 2020 Attleboro, United States [95] 20,000 m: 1:18:33 [h] Nikki Long: Raleigh Distance Project April 1, 2021 Sir Walter Twilight Raleigh, United States [96] [97] 25,000 m: 1:37:07 Caity Ashley: Raleigh Distance Project ...
The original railways (many built in the Victorian era) are a big user of imperial units, with distances officially measured in miles and yards or miles and chains, and also feet and inches, and speeds are in miles per hour. Some British people still use one or more imperial units in everyday life for distance (miles, yards, feet, and inches ...
The term "second" comes from "the second minute division of an hour", as it is 1 ⁄ 60 of a minute, or 1 ⁄ 60 of 1 ⁄ 60 of an hour. While usually sub-second units are represented with SI prefixes on the second (e.g. milliseconds ), this system can be extrapolated further, such that a "Third" would mean 1 ⁄ 60 of a second (16.7 ...
The one hour run is an athletics event in which competitors try to cover as much distance as possible within one hour. While officially recognized by World Athletics as a track event, it is rarely contested apart from occasional world record attempts. The event has a long history, with first recorded races dating back to the late 17th century. [1]
Triathlon, as defined by the International Triathlon Union, may feature running sections ranging from five kilometres (3.1 miles) to the marathon distance (42.195 kilometres, or 26 miles and 385 yards), depending on the race type. [46] The related sport of duathlon is a combination of cycling and distance running. [47]