The following information was supplied regarding data availability: The data and code are available at University of Bath: https://doi.org/10.15125/BATH-01550. The code is available at GitHub and Zenodo: https://github.com/adrianrivadulla/fatigue_runners. Adrian R. Rivadulla. (2025). adrianrivadulla/fatigue_runners: v1.0.1 (v1.0.1). Zenodo. https://doi.org/10.5281/zenodo.17943965.