The Iditarod Trail Invitational is the world’s longest-running winter ultra-marathon traversing the historic Iditarod Trail.
- The modes of discipline include bicycle, foot, and skis.
- There are 350 and 1000 miles race distances available.
Applications for the 2024 ITI are closed but the waiting list is available: https://itialaska.com/waiting-list
* THE ROUTE IS NOT MARKED. Anyone who is not comfortable navigating in harsh winter conditions over potentially dangerous terrain in the wilderness should not participate in this race.
Source: https://iditarod.com/