Feeling nervous before a race is normal, but learning to manage those jitters...
https://www.bookmarks4all.win/feeling-nervous-before-a-race-is-normal-but-managing-that-tension-makes-all
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