- 記録保持者
- Iditarod Trail
- 場所
- アメリカ合衆国 ()
- 達成日
- 2011
The longest annually contested sled dog race in the world is the 1,688 km (1,049 mile) Iditarod Trail, which takes place across Alaska, USA. Racers experience extreme weather conditions with temperatures dropping as low as −100 °F (−73 °C).