I use the rule, no play hour before and after eating. When we're out exercising, normally the last 1/4 mile I force us to a slow walk, so they have time to cool down before gettiing a drink as well.
SG Isen Vom Kavallerie BH CGC CGCA (GSD)
Red CGC (GSD)
Gypsy BH CGC CGCA (lab)
At the Bridge....Charlie - GSD (2014) and Shiloh - Lab (2010)