Mayer, Krisztina, and Andrea Lukács. “Changes in Running Habits During the COVID-19 Confinement in Amateur Distance Runners”. Health Promotion & Physical Activity 13, no. 4 (December 28, 2020): 46–50. Accessed May 2, 2025. http://www.journals.anstar.edu.pl/index.php/hppa/article/view/178.