Cohort progression — KSZO Ostrowiec Św.
Median season-best times of each birth-year cohort, overlaid by age — shows how consecutive groups developed at the same stage of training.
Event: 400 freestyle100 freestyle200 freestyle50 freestyle800 freestyle100 medley50 backstroke400 medley50 butterfly100 butterfly100 breaststroke50 breaststroke200 medley200 butterfly1500 freestyle100 backstroke200 breaststroke
Cohorts to compare: 2018 32017 152016 112004 102003 102002 302001 192000 81999 61998 31997 41996 31995 151994 81993 3