Cohort progression — Warsaw Masters Team
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 breaststroke50 butterfly100 breaststroke200 freestyle400 freestyle50 backstroke200 breaststroke200 medley100 medley100 backstroke200 backstroke100 butterfly800 freestyle200 butterfly400 medley1500 freestyle
Cohorts to compare: 2015 71999 41998 31997 31994 71993 91992 51991 61990 71989 81988 121987 151986 181985 151984 101983 151982 91981 191980 111979 101978 161977 161976 101975 161974 121973 41972 61971 101970 81969 51968 41966 71965 41964 41959 31953 31950 41949 31948 3
50 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 1998