Feeling nerves before a race is normal, but staying focused can set you apart...

https://mike-wiki.win/index.php/Is_Calm_Really_Faster_in_Racing%3F_Exploring_the_Science_Behind_Optimal_Performance

Feeling nerves before a race is normal, but staying focused can set you apart on track. One simple tip is to breathe in for four counts and slowly out for six to eight—this calms your body and sharpens your mind