Cohort progression — Plavalni klub Branik Vitaminklinik Maribor
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 backstroke200 freestyle50 butterfly50 breaststroke400 freestyle100 backstroke100 breaststroke200 medley100 butterfly100 medley200 breaststroke200 backstroke800 freestyle200 butterfly1500 freestyle400 medley
Cohorts to compare: 2017 62016 162015 262014 192013 262012 172011 242010 202009 122008 92007 72006 32005 42004 82002 32001 41999 41996 4
50 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2016 born 2015 born 2014