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Pace [6] in minutes per kilometre or mile vs. slope angle resulting from Naismith's rule [7] for basal speeds of 5 and 4 km / h. [n 1]The original Naismith's rule from 1892 says that one should allow one hour per three miles on the map and an additional hour per 2000 feet of ascent.
Typically held on either roads or running tracks, common distances range from 3,000 metres (1.9 mi) up to 100 kilometres (62.1 mi). The current race walking contests at the Summer Olympics are the 20 kilometres race walk (men and women) and the marathon race walk mixed relay, the latter of which debuted at the 2024 Summer Olympics.
In running events up to 200 m in distance and in horizontal jump events, wind assistance is permitted only up to 2.0 m/s. In decathlon or heptathlon, average wind assistance of less than 2.0 m/s is required across all applicable disciplines; and maximum of 4.0 m/s in any one event. As an exception, according to rule 36.2, specific event ...
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Beginning in 1920, the IAAF considered, at least, the following criteria for a legitimate decathlon scoring table: [4] (1) The table should reflect the fact that, at higher levels of performance, a unit gain (such as a decrement of 0.01 second in sprint times) is more significant than at lower levels of performance, because of the physiological limitations of the human body.
The earliest men's and women's marks recognized as world records by the IAAF are 65:44 set by Ron Hill in 1965 and 75:04 set by Marty Cooksey in 1978. [ 2 ] On 30 March 1991, Arturo Barrios ran a world record distance of 21.101 km in one hour , becoming the first man to run the half marathon distance in under one hour. [ 11 ]
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