Feeling nervous before a race is normal, but learning to focus can make a big...
https://sophiasexcellentchat.wpsuo.com/4-in-6-out-breathing-for-anxiety-is-that-the-right-ratio
Feeling nervous before a race is normal, but learning to focus can make a big difference. Try a simple breathing trick: breathe in for four counts, then out slowly over six to eight counts