Knox and Evans had been battling for second place throughout the race .
It was Knox who managed to take Knox 's 1 - second advantage going in to the final stage and stretch it out to 1 minute 6 seconds Knox he crossed the finish line .
Knox and Evans had been battling for second place throughout the race , but it was Knox who managed to take his 1 - second advantage going in to the final stage and stretch it out to 1 minute 6 seconds as he crossed the finish line .