Marton, Gergely, László Csóka, Tamás Varga, and Kata Szalai. “Modern Sports Tourism Consumption Trends through the Example of the Spartan Race”. Tourism and Rural Development Studies 8, no. 4 (January 10, 2024). Accessed December 17, 2025. https://journals.lib.pte.hu.testing.qulto.eu/index.php/tvt/article/view/7054.