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is the distance over which the initial time is achieved D 2 {\displaystyle D_{2}} is the distance for which the time is to be predicted Riegel expanded on his thesis in a 1981 article for American Scientist , stating that the formula t = a x b {\displaystyle t=ax^{b}} concerns activities in the "endurance range", namely lasting between 3.5 and ...
The distance (or perpendicular distance) from a point to a line is the shortest distance from a fixed point to any point on a fixed infinite line in Euclidean geometry. It is the length of the line segment which joins the point to the line and is perpendicular to the line. The formula for calculating it can be derived and expressed in several ways.
The Association of International Marathons and Distance Races, also known as AIMS, is an association of the organisers of long-distance road running races. It was founded in 1982 at a meeting in London of marathon race directors. Its membership was extended in 1986 to include all road races.
More than 840,000 people submitted entries to the 2025 London race (for only about 50,0000 bibs), and the recent 2024 Berlin Marathon broke the record for the largest field ever with 54,280 ...
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.
Hal Higdon (born June 17, 1931) is an American writer and runner known for his training plans. [1] He is the author of 34 books, including the best-selling Marathon: The Ultimate Training Guide. He has worked as a freelance writer since 1959, and has written a variety of subjects including a children's book that was made into an animated feature.
The marathon is a long-distance foot race with a distance of 42 km 195 m (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.
The marathon was conceived centuries ago and as of recent has been gaining popularity among many populations around the world. The 42.195 km (26.2 mile) distance is a physical challenge that entails distinct features of an individual's energy metabolism. Marathon runners finish at different times because of individual physiological characteristics.