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Ironbull Ultra Trail

Rib Mountain, United States • 13 Sep 2025

The Ironbull Rib Mountain Trail Races take place in Wausau, Wisconsin, featuring challenging trail runs of 50k, 25k, and 15k distances. The 50k race consists of three loops on a rugged 10.5-mile course with over 7,000 feet of elevation gain, while the 25k covers 1.5 loops and the 15k one loop with more than 2,000 feet of climbing. The course offers technical single-track trails through the scenic Rib Mountain State Park, starting and finishing at Granite Peak Ski Area. Runners are supported by aid and water stations, and post-race festivities include food, music, and local craft beer, creating a festive atmosphere for participants and spectators alike. Visit the organization's website for the most recent information.

United States Wisconsin Rib Mountain

Race information

Website Registration
50 km
3400 m+
50k
25 km
3400 m+
25k
15 km
1400 m+
15k
Visit the organization's website for the most recent information.
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