Welcome to 50+ Midnight Shadow, the birthday ride is what you make of it. The day and the ride are yours, do what you can as far as a ride and enjoy every minute and every mile, regardless of the distance. Many of us are battling back from health issues and started out with baby steps (baby miles?

) then worked up to a comfortable distance or are still improving. You can look back on the day after a while and the memory will make you smile about your fitness and distance then and where it is now. Best of Luck on the ride, when you do it.
Bill