Comparison the Effect of One Session Running Training on Dehydration in the Morning and Evening on Khuzestan Elite Speed and Endurance Runners

The purpose of this study was to compare the effect of one session running training on dehydration in the morning and evening on Khuzestan elite speed and endurance runners. Therefore,-- ten speed and five endurance runner in preparing period; which they were the selection of Khuzestan track and field team are assigned. Because of the elite runners and few subjects all of the runners were selected as samples. In this study performed semi empirically the variation of circadian rhythm with pre-test and post test was evaluated. The training programs of the runners were include one session speed and endurance which designed by their coaches and were done with the same condition in morning and evening. The temperature of the training hall was about 32 0 C in both morning and evening. Then data analyzed by paired sample t-test in meaningful level 0.05(p≤0.05). Results showed that in spite of significantly reduction of water in morning and evening there was no significantly different in dehydration level between morning and evening.