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

https://mylessinspiringnews.rivetgarden.com/posts/what-do-racing-drivers-think-about-during-a-lap

Feeling nervous before a race is normal, but managing it can boost your focus on track. One simple tip is to breathe in for a count of four, then out slowly for six to eight—this calms the mind and body