Runners included an 82-year-old, a leg amputee and a survivor of the Boston Marathon bombing
WOLF'S FANG RUNWAY in Antarctica ranks among the most desolate, unwelcoming places on the planet, where even on a springtime day, 20 degrees Fahrenheit is about as warm as it gets. Bracing against an icy wind-chill blast that made it feel closer to z... [12235 chars]