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Currently displaying The Evolution Of Long Distance Running And Swimming from Issue 1, Volume 8 of the International Journal of Design & Nature and Ecodynamics . To view more papers from this issue and others please use the links at the bottom of the page.
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Title: The Evolution Of Long Distance Running And Swimming
Authors: J.D. CHARLES & A. BEJAN
The modern evolution of long distance running and swimming is documented statistically: body mass (M), height (H), slenderness (S), and winning speed (V). In long distance running (10,000 m), M, H, and S are decreasing: these trends contradict the trends in short distance running (100 m). In long distance swimming (1,500 m freestyle), the trends are similar to short distance (100 m freestyle): H and V are increasing. The parallel trends in long versus short distance swimming, and conflicting trends in long versus short distance running are due to dehydration, which is limiting only in long distance running. The speed records ratio running/swimming for long distance sports is decreasing at the same rate as for short distance sports. Running and swimming are subject to speed ‘ceilings’ (Vmax) dictated by physics: the current record speeds in running and swimming are close to 1/2 V max.