Jaén-Carrillo D, Margarit-Boscà A. Reverse periodization in ultratrail: The road to the 2023 World Mountain and Trail Running Championships of an elite female ultrarunner. CISS [Internet]. 2024 Sep. 23 [cited 2024 Nov. 12];9(4):039. Available from: https://ciss-journal.org/article/view/11560