Racing nerves can blur your focus, but a simple breathing trick helps: breathe...

https://www.bookmarkidea.win/feeling-tense-on-race-day-our-article-dives-into-how-top-drivers-calm-nerves

Racing nerves can blur your focus, but a simple breathing trick helps: breathe in for four counts, then out for six to eight. This calms the body and sharpens the mind