The CIES Football Observatory is pleased to present a video analysing the relationship between the distance covered by players during a match and the ambient temperature. Data collected in partnership with SkillCorner from 35 leagues around the world indicates a significant decrease in the distance covered as temperatures rise.
On average, a player covers 10.1 km during 90 minutes of play if the temperature does not exceed 15°C ; this distance decreases by about one kilometre when the temperature rises to 30°C or higher.
Leagues located in the hottest regions are particularly affected by this heat stress, including the Pro League in the United Arab Emirates, the K League in South Korea, the Chinese Super League, La Liga in Spain, and the Brazilian Serie A. With the World Cup underway, MLS data also shows the negative impact of high temperatures on the distances covered.
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