with calendar events normally you'll be able to see the exact route somewhere beforehand. with perms this sometimes isn't the case, and you'll only discover the route after you've entered.
The old school idea was probably that you'd spend some time planning the route between controls yourself. I never do this though because I want to ride, not stare at RWGPS for days.
with calendar events normally you'll be able to see the exact route somewhere beforehand. with perms this sometimes isn't the case, and you'll only discover the route after you've entered.