Four Legged Running's training schedules/programs are not intended as an exercise prescription tailored to any specific individual. Please consult with your physician before beginning any new exercise routine. Especially if you have any underlying conditions such as (but not limited to) heart disease, high blood pressure, diabetes, asthma, etc.  If running with your pet, please consult with your pets vet before choosing a distance best suited for your dog's breed, age, and fitness level.