Feeling jittery before a race is normal, but managing nerves can make all the...

https://dominicksniceop-ed.cavandoragh.org/4-in-6-out-breathing-for-anxiety-is-that-the-right-ratio

Feeling jittery before a race is normal, but managing nerves can make all the difference on track. This article explores a simple breathing trick—breathe in for four seconds, then out for six to eight—that helps calm your mind