I was too. Kids athletics back then was about gold medals, not practising what we failed at (which pays more dividends) 🤔

I'm not sure which journal, so attached the ASCA link. In fitness coaching they discussed the nervous system and the predispositions to be a better sprinter vs marathoner. Breath training plays a large part in developing athletes too re sympathetic and parasympathetic control. https://www.strengthandconditioning.org/journal

Not uncommon in people with explosive speed to have higher levels of anxiety (including social). Crying when exhausted is very normal