Matt Carstens, of Whitefield, N.H., waves to fans at the John Beargrease Sled Dog Marathon, in Duluth, Minn., on Sunday. Carstens was one of the remaining competitors on Tuesday.
Matt Carstens, of Whitefield, N.H., waves to fans at the John Beargrease Sled Dog Marathon, in Duluth, Minn., on Sunday. Carstens was one of the remaining competitors on Tuesday.
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