F FalseConfident New member Jan 1, 2011 #1 im at beginner level running right now and can run 2 miles at a 830 pace max. if i swim the next day, would i be over doing it? would it over traing my heart and lungs? thanks
im at beginner level running right now and can run 2 miles at a 830 pace max. if i swim the next day, would i be over doing it? would it over traing my heart and lungs? thanks