He covers a lot of historic places in old historic Tucson, but at a moderate pace, on easy to ride surfaces,and on relatively flat streets and bike paths. He is extremely informative and very knowledgeable. He is very engaging and has a good sence of humor. He makes his tour fun for everyone. if you're worried about physical endurance, we are mid 70's and were well able to keep up the pace. The bikes are excellent and very well maintained. We have already recomended this activity to several friends and family, and will continue to do so.