Analysis of the 10-day ultra-marathon using a predictive XG boost model. - Knechtle, Beat; Villiger, Elias; Valero, David; Braschler, Lorin; Weiss, Katja; Vancini, Rodrigo Luiz; Andrade, Marilia S.; Scheer, Volker; Nikolaidis, Pantelis T.; Cuk, Ivan; Rosemann, Thomas; Thuany, Mabliny (BMC Research Notes, 2024)