Feeling nervous before a race is normal, but managing it can boost your focus...

https://rileysexpertnews.zenbloomer.com/posts/what-is-the-best-breathing-technique-right-before-a-race-start

Feeling nervous before a race is normal, but managing it can boost your focus on track. This article shares a simple breathing trick—breathe in for a count of four, then out slowly for six to eight seconds—to calm your mind