Sled dog the decline of the working sled dog. Recreational mushing came into place to maintain the tradition of dog mushing. The desire for larger, stronger, load-pulling dogs changed to one for faster dogs with high endurance used in racing, which caused the dogs to become lighter than they were historically. Americans then began to import Siberian Huskies to increase the speed of their own dogs, presenting "a direct contrast to the idea that Russian traders sought heavier draft-type sled dogs from the Interior regions of Alaska and the Yukon less than a century earlier to increase the hauling capacity of their
Sled dog but cannot pull as long. They weigh between , and have been selectively bred for both appearance and pulling ability. Numerous non-sled dog breeds have been used as sled dogs. Poodles, Irish setters, German shorthaired pointers, Labrador retrievers, Newfoundlands, and St. Bernards have all been used to pull sleds in the past. FSS held the first World Championships (WCh) in Saint Moritz, Switzerland in 1990 with classes in only Sled Sprint (10-Dog, 8-Dog, and 6-Dog) and Skidog Pulka for men and women. 113 competitors arrived in the starting chutes to mark the momentous occasion. At first World Championships were held