[1] At 400 miles, it is the longest sled dog race in the lower 48 states.
[3] The name of the race honors John Beargrease, a winter mail carrier who traveled by dog sled between Two Harbors, Minnesota and Grand Portage, Minnesota during the last two decades of the nineteenth century.
The race has been held every January since 1980, and starts from Billy's Bar in Duluth, Minnesota.
[4] The race was rerouted in 2019, and the course was shortened by 70 miles, due to lack of snow.
Soft snow due to warm temperatures caused 13 mushers to drop out of the race before finishing.