Cute sled dog peeking out from transport crate

Photo: Jeff PAchoud/AFP/Getty Images

An adorable sled dog peeks its head out of a crate after arriving in Sixt-Fer-a-Cheval, France on Jan. 13 to participate in the Grande Odyssée Savoie Mont Blanc race.

First held in January 2005, the international sled dog competition challenges mushers and their pups to traverse 560 miles across the French and Swiss Alps.

Using a GPS tracking system, spectators can follow the real-time progress of all 19 teams on the Grande Odysée website.

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Dogs hang out in their crates before being unloaded for a sled race in the Alps

Photo: Jeff PAchoud/AFP/Getty Images

A musher and a handler unload their dogs from a truck in preparation for the race ahead of them.

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Sled dogs and musher hang out before the start of the race

Photo: Jeff PAchoud/AFP/Getty Images

A musher hangs out with his rambunctious team of loyal canines while waiting for the beginning of the race.

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A beautiful sled dog with one blue eye and one brown eye.

Photo: Jeff PAchoud/AFP/Getty Images

A sled dog with one blue eye and one brown eye — the genetic result of a condition known as heterochromia iridum — is seen resting before the start of the race.

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A team of sled dogs lead the way through the snow

Photo: Jeff PAchoud/AFP/Getty Images

A musher and his team of dogs take off into the snowy Alps during a stage of the Grande Odyssee sledding race.

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Catie Leary is a photo editor at Mother Nature Network. Follow her on Twitter and Google+.