Iditarod Trail named after the now-abandoned town of Iditarod, commemorates the last great gold rush in America to the Iditarod gold fields and the critical role that dogs played in the settlement and development of Alaska. It is a common myth that the race commemorates the dogsled relay known as the 1925 "Serum Run" from Nenana to Nome. The Iditarod Trail Sled Dog Race was first established by Joe Redington, Sr. in the early 1973 to encourage the designation of the Iditarod Trail as a National Historic Trail, bring the dying tradition of dog sledding back to the villages of Alaska, and
Iditarod Trail Sled Dog Race of those in the back of the pack. After Ophir, the trail diverges into a northern and a southern route, which rejoin at Kaltag. In "even"-numbered years ("e.g." 2016, 2018) the "northern" route is used; in "odd"-numbered years ("e.g." 2017, 2019) the "southern" route is used. During the first few Iditarods only the northern trail was used. In the late 1970s, the southern leg of the route was added. It gave the southern villages a chance to host the Iditarod race and also allowed the route to pass through the trail's namesake, the historical town of Iditarod. The two routes