Cohort progression — Helsingfors 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: 100 freestyle50 freestyle100 backstroke50 butterfly50 backstroke100 breaststroke200 medley50 breaststroke100 butterfly200 freestyle400 freestyle100 medley200 breaststroke200 backstroke200 butterfly400 medley800 freestyle25 freestyle1500 freestyle25 butterfly
Cohorts to compare: 2018 72017 162016 242015 182014 242013 382012 232011 162010 232009 232008 182007 102006 122005 62004 82003 102002 42001 62000 51999 31998 31997 51996 51995 31994 31974 31970 3
100 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2016 born 2015