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Built on bad decisions in Boulder, CO.

Tuscobia Winter Ultra

2 Race Events100K, 100 Mile

Tuscobia Winter Ultra

Rice Lake, Wisconsin, United States

Course map for Tuscobia Winter Ultra 160 Mile

Qualifier Req

Tuscobia Winter Ultra 160 Mile

Jan 1, 2027

100 Mile

Course map for Tuscobia Winter Ultra 80 Mile

Tuscobia Winter Ultra 80 Mile

Jan 2, 2027

100K