Destination of an annual race since 1973

NOME

This Alaskan city marks the finish line for a famous long-distance sled dog competition.

This clue refers to the Iditarod Trail Sled Dog Race, a famous annual event that starts in Anchorage, Alaska, and ends in Nome. Since its first race in 1973, Nome has been the iconic finish line, making it a well-known destination in sled dog racing culture. The answer is simply the name of that Alaskan city.