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In 2019, Eliud Kipchoge attempted to perform even splitting in the Ineos 1:59 Challenge, in which he attempted to run a marathon distance in under two hours. In order to achieve this time, each 5 km split would need to be completed in 14 minutes 13 seconds, producing a time of 1 hour 59 minutes 59.5 seconds.
For a performance to be ratified as a world record by World Athletics, the marathon course on which the performance occurred must be 42.195 km (26.219 mi) long, [34] measured in a defined manner using the calibrated bicycle method [35] (the distance in kilometers being the official distance; the distance in miles is an approximation) and meet other criteria that rule out artificially fast ...
Extrapolating the fall in marathon world record times, Francois Peronnet of the University of Montreal predicted that the two-hour mark would be broken in 2028. [3] In 2017, The Economist reported that the average decrease in the marathon record was 8 seconds per year for the previous 50 years and 9.4 seconds per year for the previous 20 years ...
Peter Riegel (January 30, 1935 – May 28, 2018) was an American research engineer who developed a mathematical formula for predicting race times for runners and other athletes given a certain performance at another distance. The formula has been widely adopted on account of its simplicity and predictive accuracy.
The software relates the raw transponder code and timestamp data to each entrant in a database and calculates gun and net times of runners, or the splits of a triathlete. [4] In advanced systems these results are instantly calculated and published to the internet so that athletes and spectators have access to results via any web enabled device.
Chepng'etich won the women's only road race at the 40th Istanbul Marathon, a World Athletics Label Road Race.She ran 2:18:35, with split times of 31:59 at 10 km, 48:15 at 15 km, 1:08:22 at the half marathon mark, and 1:37:42 at 30 km. Chepng'etich's performance was a course record, the best performance ever on Turkish soil, and, at the time, was the seventh fastest time in history.
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In the 800 meters, the fastest times have almost always been achieved with a positive-split strategy. A study of 26 world-record 800m races from 1912 to 1997 showed that in 92% of the fastest 800m races, the first half of the race has been run faster than the second half. [7] This implies that the optimal strategy for the 800m is a positive-split.