Iditarod Trail Sled Dog Race to the 2010 census, it has a population of 401, making it the largest checkpoint in the Interior. McGrath is also notable for being the first site in Alaska to receive mail by aircraft (in 1924), heralding the end of the sled dog era. It still has a good airfield, so journalists are common. Following McGrath is Takotna, formerly a commercial hub during the gold rush. The ghost town of Ophir, named for the reputed source of King Solomon's gold by religious prospectors, is the next checkpoint. By this stage in the race, the front-runners may be several days ahead
Iditarod Trail Sled Dog Race Leonhard Seppala. However, this criticism is inconsistent with the fact that Leonhard Seppala was one of the primary mushers who delivered serum in 1925 (see above). Animal protection activists also say that the Iditarod is dog abuse. For example, dogs have died and been injured during the race. The practice of tethering dogs on chains, which is commonly used by mushers in their kennels, at checkpoints and dog drops, is also criticized. People for the Ethical Treatment of Animals spokesperson Jennifer O'Connor says, "We're totally opposed to the race for the cruelty issues associated with it". The ASPCA said, "General