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Sex difference in swimming for the annual fastest women and men from Ironman to double deca iron ultra-triathlon.
Note: Results are presented for the annual fastest for Ironman Hawaii (1× Ironman), double iron ultra-triathlon (2× Ironman), triple iron ultra-triathlon (3× Ironman), quadruple iron ultra-triathlon (4× Ironman), quintuple iron ultra-triathlon (5× Ironman), deca iron ultra-triathlon (10× Ironman), and double deca iron ultra-triathlon (20× Ironman).
