Feeling nervous before a race is normal, but managing those jitters can sharpen...

https://magic-wiki.win/index.php/How_to_Prepare_for_a_High-Stakes_Presentation_Like_an_Athlete

Feeling nervous before a race is normal, but managing those jitters can sharpen your focus on track. One simple trick is to breathe in for four counts and slowly out for six to eight, calming your nerves