Christopher Roche
Over 17,000 entries competed for the top prize of a once-in-a-lifetime photography assignment to cover the Fjällräven Polar dogsled expedition, which covers 300km of arctic tundra.
Eight categories' winners have been released, and a final overall winner will be announced on stage at The Photography Show at the NEC, Birmingham on March 18.
From epic Norwegian lakes to wild African game reserves, scroll down to see this year's remarkable winners.