7. I commute b bike 21 miles RT, usually do a long ride on Saturday. Sunday is my day for errands, so that usually amounts to 10-12 miles, broken up into short segments. I find that that is enough of a 'rest day' for me, but if I'm feeling run down I'll work from home or take the bus all but 5 miles or so. If I'm sick, I just stay home, no riding.