Forget the carbo loading and the stretching.

Kelly Hostetler ran 360 miles from Skagway to Haines in 12 days on a diet of eggs and fish, and day-end dips in frigid water.

“If I stretched I think I would pull something. In yoga, I can’t even sit Indian- style, my hips are so tight… There’s something to be said for soaking in an ice-cold lake and taking Advil,” Hostetler, 50, said this week.

She finished…