Anybody need a running buddy?

I decided to take my mother's dog on my jog this evening. He's a Shih Tzu / Yorkshire Terrier mix, and he does not lack for energy! He doesn't get enough exercise, so I decided I'd better help wear him out in the afternoons. Well, he was trained to heel and walk nicely on a leash, but that all goes flying out the window when he goes outside because he has so much pent-up energy. I had to run him hard around the block twice tonight before he listened to my commands.

Hopefully all this exercise will make him a little happier (and won't kill me!)