Feeling nervous before hitting the track is normal, but managing those nerves...

https://city-wiki.win/index.php/Inverted-U_Arousal_Curve_Explained_in_Plain_English

Feeling nervous before hitting the track is normal, but managing those nerves can make all the difference. In this article, we explore how a simple breathing technique—breathe in for 4 counts, then out for 6 to 8—helps calm your mind