Feeling tense on race day is normal, but managing nerves is key to staying...

https://wiki-club.win/index.php/Why_Does_Deep_Breathing_Advice_Feel_Useless%3F

Feeling tense on race day is normal, but managing nerves is key to staying sharp. This article shares a simple breathing trick: breathe in for 4 counts, then out for 6-8, to calm your mind