Being a worry wart can be a good thing. Here is a link to some good information. It covers exactly what you are talking about. https://sreinhold.wordpress.com/2011/10/12/my-horse-has-windpuffs-a-problem-or-just-unsightly/
Barrel racing is hard on a horse. Use your best judgment. Give him plenty of time to recover between events and practice.
- This reply was modified 2 years, 7 months ago by HorseAngel. Reason: typo