Non motorised mult-day events containing only one sport.
Alaska Ultra Sport
The Iditarod Trail Invitational is the world's longest, least supported winter ultramarathon for cyclists, skiers and runners (350 and 1100 miles). The Race is held on the historic Iditarod Trail in Alaska.
Arrowhead 135 Mile Winter Ultra Marathon
Bike, run or ski 135 miles in extreme winter from "Frostbite Falls" on the Canadian border across the Arrowhead Region of Minnesota, USA.
Royal LePage Comox Valley Snow to Surf Relay Adventure
Canadian winter sports adventure race held annually during April.
Last update:January 2, 2007 at 20:02:29 UTC