Arctic Ultra-Marathon Runner, Irishman Kevin Leahy, finds out what it takes to work, train, prepare for and complete the toughest challenge possible, two 500km non-stop foot race in the Arctic, three weeks apart.

Overview

Arctic Ultra-Marathon Runner, Irishman Kevin Leahy, finds out what it takes to work, train, prepare for and complete the toughest challenge possible, two 500km non-stop foot race in the Arctic, three weeks apart.