Feeling nervous before a race is normal, but managing that stress can sharpen...

https://delta-wiki.win/index.php/Why_Does_My_Attention_Tunnel_When_I_Panic%3F

Feeling nervous before a race is normal, but managing that stress can sharpen your focus on track. One simple breathing trick is a 4-count inhale followed by a 6-8 count exhale to calm the mind