WYO-131 Gravel Race
📍 Wyoming, USA
gravelBeginner friendly
Date
12 September 2026
Distance
21km · 72km · 121km · 211km
Elevation
3,048 m
Difficulty
gravel
Tuscobia Winter Ultra
Northern Wisconsin, USA · 1–3 January 2027
Difficulty: 5/5 — Brutal
The Tuscobia Winter Ultra is a brutal 80 or 160-mile self-supported bike, run, or ski event held on gravel and dirt trails in the extreme cold of Northern Wisconsin. Participants must navigate challenging winter conditions with required gear and minimal checkpoint assistance.
Visit official site →- Distances
- 80 miles · 160 miles
- Surface
- gravel, dirt
- Typical W/kg
- 2.2–3
Rider fit
Who it's for
This race is designed for highly experienced ultra-endurance athletes who are proficient in winter survival, comfortable with self-sufficiency, and possess exceptional mental and physical resilience in extreme cold environments.
Who will struggle
Beginner riders, those unaccustomed to severe cold weather, or participants lacking extensive self-supported expedition experience will find this event overwhelmingly difficult and potentially hazardous.
Training focus
Training should prioritize long-duration, low-intensity endurance in freezing temperatures, practicing with full race gear, honing navigation skills, and developing mental fortitude for prolonged self-reliance.
Are you ready for this race?
Compare your W/kg to see how you stack up against this race's typical level — and which races fit you best right now.
FAQs
What are the available race distances for the Tuscobia Winter Ultra?+
Participants can choose between two primary distances: an 80-mile one-way course or a 160-mile out-and-back course.
Is outside support or assistance permitted during the event?+
The race is largely self-supported, meaning no outside help is allowed from family, friends, or other individuals. Checkpoints offer only minimal support.
Are there any qualification requirements to participate in the Tuscobia Winter Ultra?+
Yes, to enter the 160-mile distance, participants must first complete a qualifying event. The 160-mile distance itself also serves as a qualifier for the Iditarod Trail Invitational.
Is there a mandatory gear list for the race?+
Both the 80-mile and 160-mile distances have specific required gear that participants must carry throughout the event.
How should participants interact with local businesses along the course?+
While patronizing local businesses is encouraged (e.g., buying food or drinks), participants should not abuse their facilities by simply using restrooms, drying gear, or filling water without making a purchase.
What kind of trails does the Tuscobia Winter Ultra use?+
The event is held on the Tuscobia and Wild Rivers State Trails in Northern Wisconsin, which are generally gravel or dirt trails that will be covered in snow and ice during the winter race.