Iditarod Trail Sled Dog Race in neutral. An Alaskan husky in the Iditarod will burn about 9,666 calories each day; on a body-weight basis this rate of caloric burn is 3.5 times that of a human Tour de France cyclist. Similarly the VO2 max (aerobic capacity) of a typical Iditarod dog is about 240 milligrams of oxygen per kilogram of body weight, which is about three times that of a human Olympic marathon runner. Animal protection activists say that the Iditarod is not a commemoration of the 1925 serum delivery, and that race was originally called the Iditarod Trail Seppala Memorial Race in honor of
Sled dog racing weight per dog is carried in the sled. This type of race only has about 1 to 5 dogs pulling the sled or scooter at one time. The American Dog Derby is the oldest dogsled race in the United States and was the first dogsled race that rose to international prominence. Begun in 1917 and heavily promoted by Union Pacific Railroad, it was on par with the Kentucky Derby and with the Indianapolis 500 in terms of interest and press coverage in the early part of the 20th century and was considered to be the world championship dogsled race. American