Cohort progression — Dwójka Morena Gdańsk
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 freestyle100 freestyle50 backstroke100 backstroke100 breaststroke50 butterfly50 breaststroke200 freestyle400 freestyle200 backstroke100 butterfly200 medley200 breaststroke100 medley25 freestyle25 backstroke25 breaststroke200 butterfly400 medley800 freestyle
Cohorts to compare: 2017 172016 432015 262014 162013 202012 222011 252010 302009 152008 162007 92006 132005 182004 82003 182002 32000 3
50 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2016