Table 1. Change of selected hematological parameters of the master athlete after completing the 120 km non-stop marathon swim.

Parameters	Basic condition	After marathon				Regression coefficient	p
	T1	T2 (30 min)	T3 (4 hrs)	T2 (10 hrs)	T2 (8 days)
Erythrocytes (T·l-1)	4.68	5.12	4.46	4.55	4.48	-.18	.24
Hemoglobin (mmol·l-1)	9.49	10.2	9.1	9.2	9.1	-.49	.23
Hematocrit (1·l-1)	.43	.46	.40	.41	.41	-1.41	.32
Leukocytes (G·l-1)	4.4	17.5	10.6	8.3	6.0	-3.68	.04
Platelets (G·l-1)	181	250	209	201	191	-18.5	.07