Cohort progression — Karlskrona Simsällskap
Median season-best times of each birth-year cohort, overlaid by age — shows how consecutive groups developed at the same stage of training.
Event: 50 freestyle50 breaststroke100 freestyle50 backstroke50 butterfly100 breaststroke100 backstroke100 medley200 freestyle100 butterfly200 medley200 breaststroke25 backstroke25 breaststroke200 backstroke25 freestyle400 freestyle25 butterfly400 medley200 butterfly
Cohorts to compare: 2018 62017 102016 182015 192014 312013 152012 152011 122010 92009 142008 42007 102006 62005 52004 32002 3
50 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2015