

Snow dogs: Short-haired, long-legged breeds sprint during an event at the New England Sled Dog Club's race at Hill Village, N.H., Feb. 16, 2013. Melanie Stetson Freeman/Staff
Friends: Connor Maloney pets racing dog Panther. Maloney is learning how to race and helps out with a friend's team. Melanie Stetson Freeman/Staff
How high?: Sled dogs jump with excitement as they wait for their race in the open category for teams of ten or more dogs. Melanie Stetson Freeman/Staff
Mush!: Meg Mizzoni races her team in an eight-dog, eight-mile race. Melanie Stetson Freeman/Staff
Big fan: Six-year-old Brooke, in a husky hat and holding a husky stuffed toy, loves – what else? – sled dogs. She came to this New Hampshire race to watch and pet some dogs. Melanie Stetson Freeman/Staff
Pre-race: A race official met with mushers (sled-dog drivers) before the competition. About 50 teams showed up for this event, including some from Canada. Melanie Stetson Freeman/Staff
Go, dogs, go!: Musher Gretchen Karlson races her four-dog team. Melanie Stetson Freeman/Staff
Time to race: Mushers, with help from friends, put harnesses on their teams. Melanie Stetson Freeman/Staff
On your left: Musher Michele Boyd (r.) passes John Moody as they race their teams in the four-dog, four-mile sled race. The teams have staggered starts and race against the clock. Melanie Stetson Freeman/Staff
Peekaboo: A sled dog with two different colored eyes waits in its crate for its race to begin. Melanie Stetson Freeman/Staff
Helping hand: Corbin Carter takes one of his family's racing dogs out of its crate. Dog boxes are homemade and usually sit on top of trailers or truck beds. Melanie Stetson Freeman/Staff
Sledless: Elaine Stasny, a skijor racer, heads for the finish line after a four-mile course. Skijorers are pulled on cross-country skis by one to three dogs, usually – but sometimes by a horse. Melanie Stetson Freeman/Staff
Lineup: A list of dog teams in order of their racing categories rests on a windshield. Melanie Stetson Freeman/Staff
Ready, set, go!: A skijor racer waits to come out of the starting gate while helpers hold his two dogs. Melanie Stetson Freeman/Staff
On the trail: Frank Wright passes trail boss Rodney Tinkham during the six-dog, six-mile sprint race. Mr. Tinkham is marking off racers as they pass him at the turnaround point. Melanie Stetson Freeman/Staff
Tongues: Sled dogs are highly-trained athletes. Melanie Stetson Freeman/Staff
Fluffy: Samoyeds from Virginia wait tied up to their vehicle for their event. Melanie Stetson Freeman/Staff
Good dogs!: Anita Wischinski wipes off the faces of her dogs after a training run in Auburn, N.H. She and her husband have been
Home: Rainer Wischinski helps his sled dogs into their outdoor kennels in Sandown, N.H. Melanie Stetson Freeman/Staff