Figure 1
Swimming speed of the top three athletes per age group for women and men. 50 m freestyle (Panel A ), 100 m freestyle (Panel B), 200 m freestyle (Panel C), 400 m freestyle (Panel D), 800 m freestyle (Panel E ) and 1,500 m freestyle (Panel F ). For all distances, swimmers in the age group 20–29 years were the fastest for both women and men. The arrow (↓) indicates the fastest age group in women and men for all distances and an asterisk (*) indicates age groups that were not significantly different from the fastest age group (P < 0.05).