Racing nerves can get the better of anyone, but learning to manage them is key...

https://www.red-bookmarks.win/feeling-tense-on-race-day-is-normal-but-managing-nerves-is-key-to-staying

Racing nerves can get the better of anyone, but learning to manage them is key to better focus on track. A simple breathing trick—breathe in for four counts, then out for six to eight—helps calm the mind