Table 1.

Basic markers of kidney function.

	Before Race	After Race	p
K (mmol/L)	4.43 ± 0.35	4.74 ± 0.51	<0.05
Na (mmol/L)	142 ± 1.64	142.89 ± 2.39	n.s.
Creatinine (mg/dL)	0.89 ± 0.1	1.18 ± 0.22	<0.05
Urea (mg/dL)	33.78 ± 6.5	59.56 ± 14.86	<0.05
UA (mg/dL)	4.81 ± 0.9	5.96 ± 1.31	<0.05

UA: uric acid, n.s.: not significant.