Your pets will love the solid running surface which is completely safe for your pets feet and tail. (amazon.com)
If you were to change running surfaces on a whim and not give the body enough time to adapt, you would expose yourself to a greater risk of injury. (gastownphysiopilates.com)
Some even go so far as to say that you should remain on smooth running surfaces until your baby is one year old. (wetheparents.org)