Photos: Sled dog racers prep for John Beargrease marathon

Ward and Colleen Wallin prep a team for practice.
Ward and Colleen Wallin prep a team of sled dogs for a practice run last week at their Silver Creek Sled Dogs property near Two Harbors, Minn.
Derek Montgomery for MPR News

In a time when the number of kennels is decreasing and many mushers are giving up racing, Colleen and Ward Wallin continue to invest in the sport and industry.

Despite the sport's decline and high costs, the Wallins are moving forward.

MPR News photographed the couple and their dogs as they prepared for Sunday's John Beargrease marathon.

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