timbasile t1_iyo7dr9 wrote
Reply to comment by SolemnLoon in [OC] Birth months of FIFA World Cup players. The top three are January, February and March, possibly due to the "Relative age effect" by desfirsit
BMX just uses your current age to set cohorts. If you're 8 and it's your birthday later this week, you race the 8 year olds since you're still 8.
Next week, you'll be 9, so then you'll race against the other 9 year olds.
There's still an effect - since at least here in Canada the sport shuts down for the winter, so people born late fall would spend the most race days in the cohort as an older athlete, but I'd imagine it's muted vs other sports using a calendar approach.
Though with an individual sport like BMX, it's easier to do this since it doesn't have the same team forming process . You just show up at races and race whoever happens to also show up.
SolemnLoon t1_iyo8xun wrote
Ahh, that works. And you're right that it's much easier in a solo sport than a team sport. It'd be tough on a coach if every time a kid had a birthday, he moved on to the next team.
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