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BAHENSKÝ, Petr and TLUSTÝ, Tomáš. Age of peak performance of elite men in middle- and long-distance running in the Czech Republic between 1945–2019. Journal of Education, Health and Sport. Online. 26 May 2020. Vol. 10, no. 5, pp. 180-189. [Accessed 6 December 2023]. DOI 10.12775/JEHS.2020.10.05.019.