Okay, I have read bits and pieces on this topic in the past, but for the life of me I cannot find anything with the Search function... Anyways, I am just curious to learn more about the risks/rewards of jogging with a dog. I have gone out for two brief walk/jogs with Morgan in the past two weeks (and by that, I mean we jog about 5 minutes and walk for 10, jog another 5, and then walk home... I have pitiful endurance at the moment. ) I guess my main concern is about running on the concrete. I know that the impact could potentially be a problem, and I don't want to risk injury to Morgan by overdoing it. However, I don't really know what would be considered "too much". Is there a time limit? Or should I just not take him? He has seemed to enjoy our two brief ventures, and I would really like to build up my endurance and start a fitness routine with it... and I like having company. Morgan is 19 months old, and about 52lbs... if that makes any difference. Of course, there are probably aspects of this that I am overlooking... but this is why I ask you guys! Thanks in advance for the input!