Rose, I think we left BWV at about 4:15-4:30. It seemed to be plenty of time. You have to be in your corral at 5:30 and it's about a 20 min walk from the bus drop-off/parking lot to the corrals.
I have two approaches for your sisters... one, just be up front which is preferable, or two, "lose" them at the start.
I think it will be fine, though, if they have each other?
I don't like the cold either. I am doing all of my short runs/speed work inside right now, on the treadmill, and then long runs outside. Our lows are also in the mid-70s right now.
I have two approaches for your sisters... one, just be up front which is preferable, or two, "lose" them at the start.

I don't like the cold either. I am doing all of my short runs/speed work inside right now, on the treadmill, and then long runs outside. Our lows are also in the mid-70s right now.