Sled runner hi-res stock photography and images - Alamy

Sled runner hi-res stock photography and images - Alamy

Sled runners hi-res stock photography and images - Alamy

Sled runners hi-res stock photography and images - Alamy

Sled runner hi-res stock photography and images - Alamy

Sled runner hi-res stock photography and images - Alamy

Sled runner hi-res stock photography and images - Alamy

People dragging a sled hi-res stock photography and images - Alamy

Sled runner hi-res stock photography and images - Alamy

Weighted sled hi-res stock photography and images - Alamy

Sled runner hi-res stock photography and images - Alamy

Sled runner hi-res stock photography and images - Alamy

Sled runners hi-res stock photography and images - Alamy