Nerves can easily creep in before a race, but staying sharp is all about...

https://wiki-legion.win/index.php/Competition_Anxiety_Ends_After_the_Event_%E2%80%93_Why_Mine_Doesn%E2%80%99t

Nerves can easily creep in before a race, but staying sharp is all about managing focus. One simple tip is to breathe in for four counts and out for six to eight — it helps calm the mind