Download 50 mile ultra marathon
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For the annual fastest, the sex difference in running speed decreased linearly in 50-mile events from 14.6% to 8.9%, remained unchanged in 100-mile (18.0%☘.4%) and 1,000-mile (13.7%☙.1%) events, and increased in 3,100-mile events from 12.5% to 16.9%. No correlation existed between sex difference and running speed for the fastest ever ( r 2=0.0039, P=0.91) and the ten fastest ever ( r 2=0.15, P=0.74) for all distances. Changes in sex difference in running speed of the annual fastest were analyzed using linear and nonlinear regression analyses, correlation analyses, and mixed-effects regression analyses. The sex differences in running speed for the fastest runners ever were analyzed using one-way analysis of variance with subsequent Tukey–Kramer posthoc analysis.
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The aim of this study was to test this assumption by investigating the changes in performance difference between sexes in the best ultramarathoners in 50-mile, 100-mile, 200-mile, 1,000-mile, and 3,100-mile events held worldwide between 19. Anecdotal reports have assumed that women would be able to outrun men in long-distance running.
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