How fast do I have to be to make the jump to professional ultra trail mountain runner?
How fast do I have to be to make the jump to professional ultra trail mountain runner?
9 min/mile comfortably on the flats.
At least 5:30 miles for 75 miles on hills.
World record for 100 miles is like 6:46/mile. Obviously you don't have to set the world record, but some of those guys are no slouches.
You need to be fast over the race distances