Toughest Race on Earth: Iditarod Discovery to premiere new 'Iditarod' reality series on October 14 09/15/2008 Discovery Channel has announced that Toughest Race on Earth: Iditarod will premiere on Tuesday, October 14 at 10PM ET/PT. Read More RELATED NEWS Discovery to premiere new 'Iditarod' reality series on October 14 TAGS: Deadliest Catch Dirty Jobs Ice Road Truckers
