Cohort progression — UKP ,,Polonia Warszawa''
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 freestyle50 butterfly100 breaststroke50 backstroke100 backstroke100 butterfly50 breaststroke200 freestyle200 medley200 breaststroke400 freestyle200 backstroke100 medley200 butterfly400 medley800 freestyle1500 freestyle25 freestyle25 backstroke
Cohorts to compare: 2018 82015 182014 262013 312012 302011 302010 542009 552008 542007 652006 422005 432004 292003 422002 312000 4
100 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2014 born 2013