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The 100-yard dash is a track and field sprint event of 100 yards (91.44 metres). It was part of the Commonwealth Games until 1970 , and was included in the triathlon of the Olympics in 1904 . It is not generally used in international events, replaced by the 100-metre sprint (109.36 yards).
The world record in the 100-meter dash in 1924 was 10.4 seconds, while in 1948, (the first use of starting blocks) was 10.2 seconds, and was 10.1 seconds in 1956. The constant drive for faster athletes with better technology has brought man from 10.4 seconds to 9.58 seconds in less than 100 years.
These events have their roots in races of imperial measurements which were later altered to metric: the 100 m evolved from the 100-yard dash, [88] the 200 m distances came from the furlong (or 1/8 of a mile), [89] and the 400 m was the successor to the 440-yard dash or quarter-mile race. [90]
Held annually as the World Half-Marathon Championships until 2010 and held biennially from 2012 to 2020; part of World Road Running Championships starting in 2023; 2006 edition replaced by a 20k run Marathon
A long-run average cost curve is typically downward sloping at relatively low levels of output, and upward or downward sloping at relatively high levels of output. Most commonly, the long-run average cost curve is U-shaped, by definition reflecting economies of scale where negatively sloped and diseconomies of scale where positively sloped.
The total cost curve, if non-linear, can represent increasing and diminishing marginal returns.. The short-run total cost (SRTC) and long-run total cost (LRTC) curves are increasing in the quantity of output produced because producing more output requires more labor usage in both the short and long runs, and because in the long run producing more output involves using more of the physical ...
In the 2013 and 2014 seasons, competing at the highest level of the National Collegiate Athletic Association, the team recorded just a single victory. Average attendance last year was among the 10 worst in the NCAA’s top level. Yet Georgia State’s 32,000 students are still required to cover much of the costs.
Since 1921, the men's 100-yard dash was usually held until 1975, with the exception of the 100 meters being contested in Olympic years starting in 1932. Metrication occurred in 1976, so all subsequent championships (as well as those during some Olympic years before 1976) were at the metric distance.