Put me in B as a possible, I'm doing a challenge to ride 26 days in a row (the same as the TDF). It's part of a wellness thing at work and the person with the biggest mileage wins a yellow jersey. It appears it's between me and a young whipper snapper who was 7 miles ahead of me and the end of the first week (227 v 220 miles). I'm trying to do as much of it as possible outside but if the weather is bad I'll go in the turbo.