Influence of advanced footwear technology on sub-2 hour marathon and other top running performances

Arderiu Andreu () and Raphaël de Fondeville ()
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Arderiu Andreu: EPFL, Lausanne, Switzerland
Raphaël de Fondeville: EPFL, Swiss Data Science Center, Lausanne, Switzerland

Journal of Quantitative Analysis in Sports, 2022, vol. 18, issue 1, 73-86

Abstract: In 2019, Eliud Kipchoge ran a sub-two hour marathon wearing Nike’s Alphafly shoes. Despite being the fastest marathon time ever recorded, it wasn’t officially recognized as race conditions were tightly controlled to maximize his success. Besides, Kipchoge’s use of Alphafly shoes was controversial, with some experts claiming that they might have provided an unfair competitive advantage. In this work, we assess the potential influence of advanced footwear technology and the likelihood of a sub-two hour marathon in official races, by studying the evolution of running top performances from 2001 to 2019 for long distances ranging from 10 km to marathon. The analysis is performed using extreme value theory, a field of statistics dealing with analysis of rare events. We find a significant evidence of performance-enhancement effect with a 10% increase of the probability that a new world record for marathon-men discipline is set in 2021. However, results suggest that achieving a sub-two hour marathon in an official race in 2021 is still very unlikely, and exceeds 10% probability only by 2025.

Keywords: athletics performance; footwear technology; running time records; statistical analysis; vaporfly (search for similar items in EconPapers)
Date: 2022
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DOI: 10.1515/jqas-2021-0043

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