I understand,
Chasing 1k eh

My average used to be around 220 miles per week. I'm not going to see those figures now.
I've got 4 good bikes to start. I ride a 19.4 mile loop for a total of 38.8. Sometimes I turn back early. On occasion I go longer. I would like to try for at least one 70+ mile ride before the fall.
Attached is the trail I will be using for this event. It was an old railway. Max elevation is 5 miles from the start @725 feet. Min = 192ft near the end. Takes me a long time to warmup. By the turnaround I'm fully charged for the climb back.
View attachment 130021
Start date should be soon. My aim is 550 miles. The attempt will be made with 20'' wheel bikes.