I did a 100 miler this weekend… a ‘hilly’ course. I really enjoyed it, probably because I had plenty of road miles in my legs. I was really looking forward to it and consequently, enjoyed every minute of it.
Ironically, I am down to do an enduro in a couple of weeks as a pair (8 hour) and I am not looking forward to it at all. The course is dull and repetitive (someone posted a brilliant description of riding at Thetford in the MM post). I will no doubt ‘endure’ it but ultimately, it is all down to enjoyment. If you aren’t looking forward to it you probably won’t have any fun.
OTOH you might just wake up on the day and think a six hour road ride is just what you want to do. Oh yes, while you are on the road, you are allowed to look at the scenery. 🙂