The Iron Dog board of directors announced the course for the World’s Longest, Toughest Snowmobile Race. Iron Dog 2021 will start and finish on Big Lake, with Nome as the turnaround point. Based on survey results that included racers, sponsors, checkpoint volunteers and fans, a majority of the respondents wanted this year’s race to start and finish on Big Lake. In addition to anticipated cost savings, there will also be a significant labor savings as well.