ski·jor·ing 
(skējôr′ĭng)
(skējôr′ĭng)n.
A sport in which a skier is drawn over ice or snow by a sled dog or a team of dogs, a horse, or a vehicle.
[Norwegian skikjøring : ski, ski; see SKI + kjøring, driving (from kjøre, to drive, from Old Norse keyra).]