Feeling nervous before a race is normal, but learning to manage those jitters...

https://www.coast-bookmarks.win/feeling-jittery-before-a-race-managing-nerves-and-staying-focused-is-as-much

Feeling nervous before a race is normal, but learning to manage those jitters can boost your focus on track. One simple breath technique—breathe in for 4 counts, then out for 6 to 8—helps calm your mind