Fig. 5From: Analysis of food and fluid intake in elite ultra-endurance runners during a 24-h world championshipAbsolute modifications in urine and plasma osmolality and sodium concentrations. Each numbered colored square refers to a single participant and the grey bar indicates the mean. *These participants reached the threshold for asymptomatic exercise-associated hyponatremia (135 mmol. L− 1) [36].Back to article page