Teams of dogs train for sleigh pulling competition in Yosemite, America.
Item title reads - For the Blue Riband of the Sierras. Train sled teams prepare for annual "Derby". Yosemite, America (USA, U.S.A.).
M/S of dogs lying in the snow attached to a sledge, a man adjusts the harness. M/S of dogs in a line. L/S as they run along pulling the sledge, another team follows. Various shots as the dogs make their way through picturesque snow covered countryside.
Note: there is another version of this story with the same title and similar footage on *PM0816*.