This calculator is designed to enable endurance runners to determine safe, personalized racing paces over distances such as the marathon. The calculations performed here are based on a mathematical model by B. I. Rapoport, published in PLoS Computational Biology in October 2010. The full article, which provides background information on the physiology of endurance running and describes the model behind the calculator presented on this site, can be accessed here.
Endurance Calculator Android App: An enhanced version of this calculator, useful for runs of any distance, is now available as an Android App on the Android Market. It can be accessed here.
Enter data into the calculator using this form:
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