my thoughts were going to be for the marshalls safety. Can you imaging being on Grindslow for 3 hours or Mam Tor or RR stood still. You'd need a very good tent to stand up to the forecasted winds
I assumed they'd be tented up, like on the High Peak Marathon? I like those races where you run up to a tend, someones head sticks out.. you shout a number.. say thanks of course.. and run off.. just seems to make it more comical and arbitrary..