Cohort progression — KS 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: 100 freestyle50 freestyle200 freestyle50 butterfly100 breaststroke50 backstroke100 butterfly400 freestyle50 breaststroke100 backstroke100 medley200 medley200 breaststroke200 backstroke200 butterfly400 medley800 freestyle1500 freestyle25 backstroke25 freestyle
Cohorts to compare: 2017 122016 152015 102014 182013 152012 182011 312010 112009 242008 82007 42006 192005 102004 162003 172002 422001 282000 261999 121998 91997 101996 81995 181994 101993 3