|Articles|April 16, 2010
Photo gallery: The Iditarod trail (part 4)
Temperatures can dip to -40-degrees F. While dogs run best at night, temperatures need to climb to just above 0 for optimal performance, explains Dr. Vern Otte.
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Temperatures can dip to -40-degrees F. While dogs run best at night, the temperatures need to climb to just above 0 for optimal performance, explains Dr. Vern Otte.
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