Abstract
The 400m dash sprint is considered to be one of the most interesting and difficult sprint events in the sport of athletics, this is why sports scientists are paying much attention now to develop the means of helping athletes to enhance their performance and numerical achievements through investigating the mechanical and kinematical and other scientific variables of the race trying to obtain reliable results as a base for modern training techniques. This study aims for presenting a comparative analysis on speed distribution of women 400m finalist athletes in the world athletics 2011 and 2012 Olympic championships by means of correlation analysis, regression analysis and cluster analysis, every 50m segment result has been studied as well as total results of world elite women 400m athletes. The main purpose is to reveal the relations between different 50m phases and the final 400m result, and to find out the basic features of their speed distribution, in order to provide scientific references for our women athletes to increase the ability of reaching higher performance levels.
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