Cohort progression — Íþróttabandalag Reykjanesbæjar
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 freestyle100 backstroke50 backstroke100 breaststroke50 butterfly50 breaststroke200 medley200 backstroke200 freestyle400 freestyle100 butterfly100 medley200 breaststroke400 medley800 freestyle25 freestyle200 butterfly1500 freestyle25 backstroke
Cohorts to compare: 2020 72019 152018 142017 192016 142015 152014 142013 92012 102011 92010 72009 92008 82007 32006 31991 3