Time to Exhaustion at Traditional Physiological Indicators in Runners: Between-Subject and Between-Day Variability. - Pallarés, Jesus G.; Valenzuela, Pedro L.; Martínez-Cava, Alejandro; Higuera-Liébana, Enrique; Buendía-Romero, Ángel; Cervantes, Alfonso; Mora-Rodriguez, Ricardo (International Journal of Sports Physiology & Performance, 2026)