The village of Nome, located on the shores of the Bering Sea, was threatened in January 1925 with a deadly diphtheria epidemic. The village needed one million units of antitoxin and, due to weather conditions, the only way possible to have it delivered was by dogsled. A relay team of twenty mushers and 150 sled dogs was organized, and the mail route from Nenana to Nome, a distance of 674 miles, was chosen as the fastest route to transport the serum. Also known as the “Great Race of Mercy,” the serum run was successfully completed in a record-breaking five and a half

