Cohort progression — UKS Pirania Targówek
Median season-best times of each birth-year cohort, overlaid by age — shows how consecutive groups developed at the same stage of training.
Event: 100 freestyle50 freestyle100 backstroke200 freestyle200 medley400 freestyle100 breaststroke50 butterfly50 backstroke100 butterfly100 medley50 breaststroke200 backstroke200 butterfly200 breaststroke400 medley800 freestyle50 manikin carry50 manikin carry with fins1500 freestyle
Cohorts to compare: 2014 32012 32011 62010 52009 32008 82007 162006 212005 172004 82003 82002 232001 172000 281999 131998 28