Re: Low grade heart murmur.
I don't know about dogs but I have a grade I and it has never slowed me down and it has never caused me problems. I used to run 1/2 marathons too. Gave that up because of my knees not my heart.
I think Beau will live to a ripe old age and never have a problem.
URO3,UCD Aleshanee Windridge "Kayos" CD,TDX,RE,CGC,HIC,TC
PTE,AG2,AN,URO3,UCD Xtra!Xtra! V TeMar "Havoc" CDX,GN,RE,CGC,HIC,TC,BH
UACH,URO1 Tidmores Rising Star Lydia "Mayhem" CD,BN,AX,OAJ,NF,RE,HT,TC,CGC,
Lucky, Wolf, Max