2022 Registration Process
All entry fees are non-refundable and non-transferable.
This year's event is full. There is no waitlist.
The Tuscobia Winter Ultra is a run, bike or ski event held on the Tuscobia State Trail in Northern Wisconsin... in the middle of winter. There are two race distances: 160-mile or 80-mile. The 160-mile race is a qualifying event for the Iditarod Trail Invitation (ITI). The Tuscobia Winter Ultra will again be providing a paid entry ($1,400+ value) to a 160-mile race winner.
160-mile applicants must have previously completed one of the following events:
Local time: 3:15 AM
- Tuscobia 160/150/80/75 mile
- Arrowhead 135 mile
- Iditarod Trail Invitational 130/350/1000 mile
- Actif Epica
- Fat Pursuit 200 km / mile
- Frozen Otter 64 mile
- Susitna 100 mile
- White Mountains 100 mile
- Yukon 100/300 mile
- 6633 Arctic Ultra
- Alaska Mountain Wilderness Ski Classic
- Rovaniemi 150/300 km
- The Drift 100M
80-mile applicants will be asked about prior experience during the registration process, but it is not a requirement to have completed one of the above.