Cohort progression — Borgå simmare - Porvoon uimarit
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 medley400 freestyle100 breaststroke100 backstroke100 butterfly50 backstroke50 butterfly25 freestyle50 breaststroke25 backstroke100 medley200 freestyle200 butterfly400 medley200 backstroke800 freestyle200 breaststroke1500 freestyle
Cohorts to compare: 2018 112017 202016 292015 92014 222013 262012 152011 122010 172009 62008 32006 52001 3
100 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2016