Changes in pre-stage resting body water of UER along MSUM competition. (A) Total body water, (B) Extra-cellular water, (C) Intra-cellular water. Mean (SD): UER (■, n = 43); slow runners (SR ∆; MSUM mean speed <8 km/h, n = 23); fast runners (FR ◊; MSUM mean speed ≥8 km/h, n = 20). a Normal physiological range (Quadscan 4000, Bodystat, Douglas, Isle of Man, UK). †† p < 0.01 and † p < 0.05 vs. Stage 1; c
p < 0.05 vs. SR.