Iditarod: The Last Great Race on Earth

Iditarod Trail Sled Dog Race, Alaska
Marc Lester / Anchorage Daily News / Zuma Press

Checkup
In Wasilla, Alaska, on Feb. 29, 2012, veterinarian Artem Rogalev examines Claire, a dog owned by Sigrid Ekran, right, from Sparbu, Norway. A vet check is a mandatory requirement for all Iditarod racers.

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