John Beargrease Sled Dog Marathon underway

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(ABC 6 News) – For over 40 years Mushers have flocked to Duluth to participate in the John Beargrease Sled Dog Marathon.

Mushers will compete in three different races: The 40-mile, 120-mile, and 300-mile routes.

Mushers will finish around 5 p.m. on Tuesday in Grand Portage.

You can watch live updates here