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January 31, 2026Joho Chishiki GakkaishiOpen Access

A Quantitative Study on Racehorse Running Speed and Air Pollutants

Kota Nishikawa Akihiro Kawase

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Key Points

This study aims to clarify the relationship between air pollutants and the running speed of racehorses in Japan.
Analyzed data from all races organized by the Japan Racing Association.
Integrated race results with environmental monitoring data to construct a comprehensive dataset.
Implemented linear regression and distance-based regression analyses.
Increased concentrations of PM2.5, NO, and SO2 correlate with reduced running speeds.
NO2 and OX are associated with increased running speeds.
Distance-based analysis shows different harmful effects based on race distance.

Implication

Quantitative study demonstrates impacts of air pollutants on racehorse speed across distances, indicating potential performance variations.

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Cite This Study

Nishikawa et al. (2026) studied this question.

synapsesocial.com/papers/69edab424a46254e215b359b https://doi.org/10.2964/jsik_2026_005

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