Cohort progression — Czechia
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 manikin carry200 obstacle swimsurf race200 super lifesaver100 manikin carry with finsoceanman100 manikin tow with finsbeach flags90 beach sprintsurf ski race100 rescue medley