Lure coursing is a sport primarily for sight hounds, but Samoyeds enjoy it, too, as you can see from the photos on this page!!! Lure coursing consists of chasing an artificial lure through a field on a predetermined course. It simulates live coursing.
The typical lure course is 600-
The American Kennel Club (AKC) website contains more information on lure coursing, as well as a list of upcoming competitions.