i've been using a GPS app to track my progress. 1 full lap around my neighborhood is about 3.5 miles. so depending on whether i do 2 or 3 laps is where i'm getting the 7-10 miles. Its relatively flat here. There is only one hill i have to contend with at the back of the neighborhood.Only about 3 miles today, but that's better than I've been doing. Could have done the 4-5 mile loop. Knees don't like powering up the hills repeatedly so I'm going to move the route to be more smaller hills and fewer steep ones, at least for the next week or two.