If you're runnin', it counts. My weimaraners are my most frequent running partners...I swear, I think they love to run more than just about anything. When it's crappy out, I've gotta say that they're responsible for about half my weekly mileage. They need to get out, and sometimes that's my entire reason for getting out myself. One word of caution...you said your dog is less than a year old right? Be careful about letting him/her put in too many miles before he/she stops growing (at about a year old, I believe). It can lead to joint problems down the road.
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"The will to win means nothing without the will to prepare" - Juma Ikangaa http://www.litespeed.com