Impact of congested match schedules during the COVID-19 pandemic on technical and physical performance in the Chinese Super League

Xudong Yang, Zhigang Liu, Zuyao Xu, Baitu Li, Yanmiao Yu and Changjing Zhou

International Journal of Performance Analysis in Sport, 2025, vol. 25, issue 5, 960-972

Abstract: This study examined the impact of fixture congestion on technical and physical performance in the 2021 Chinese Super League, which used a tournament-style format due to COVID-19. A total of 173 matches were analysed, including 116 congested (3–4 days between matches) and 57 non-congested (≥5 days). Technical and physical indicators were collected via the AMISCO tracking system. Mixed-effects models showed that congested schedules enhanced passing indicators, including Passes (SE = 11.93, p = 0.039), Pass Accuracy (SE = 0.66, p = 0.012), and Forward Pass Accuracy (SE = 0.80, p = 0.028). However, defensive actions such as Challenges (SE = 1.11, p

Date: 2025
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DOI: 10.1080/24748668.2025.2476318

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