We present a toy model of anaerobic glycolysis that utilizes appropriate physiological and mathematical consideration while remaining useful to the athlete. The toy model produces an optimal pacing strategy for 400-m and 800-m races that is analytically calculated via the Euler-Lagrange equation. The calculation of the optimum is presented in detail, with an emphasis on intuitive arguments in order to serve as a bridge between the basic techniques presented in undergraduate physics textbooks and the more advanced techniques of control theory. Observed pacing strategies in 400-m and 800-m world-record races are found to be well-fit by the toy model, which allows us to draw a new physiological interpretation for the advantages of common weight-training practices.
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June 2013
PAPERS|
June 01 2013
Optimal pacing for running 400- and 800-m track races
James Reardon
James Reardon
a)
Department of Physics, University of Wisconsin
, Madison, Wisconsin 53706
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a)
Electronic mail: reardon@physics.wisc.edu; also at Wisconsin Track Club, <www.witrackclub.org>
Am. J. Phys. 81, 428–435 (2013)
Article history
Received:
March 21 2012
Accepted:
April 15 2013
Citation
James Reardon; Optimal pacing for running 400- and 800-m track races. Am. J. Phys. 1 June 2013; 81 (6): 428–435. https://doi.org/10.1119/1.4803068
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