Why are some girls really good runners as middle schoolers, but when they get into high school, they slow down?


true of boys, , because different people develop , mature @ different ages.
common young elite runners not elite when older, because others have become better while have not progressed.
when runner becomes slower may due bodies changing go through puberty.
many girls become slower when develop because hips , breasts change, become larger, can not run fast.

i've noticed lot of girls young runners, , saying how great when older, end being same or getting slower.
noticed doesn't happen boys, why that?


Sports Running Next



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