Australia's Phil Bellingham and Callum Watson have dug deeper than they ever have before to complete one of the toughest Olympic events on the schedule - the men's 50km Classic.
Bellingham and Watson guts it out in 50km Classic

Australia's Phil Bellingham and Callum Watson have dug deeper than they ever have before to complete one of the toughest Olympic events on the schedule - the men's 50km Classic.