Thunderbird Warrior Challenge

Bayfield, United States • 13 Jun 2026

The Thunderbird Warrior Challenge is a trail running event held at Mt. Ashwabay Outdoor Recreation Area in Bayfield, Wisconsin. It features multiple race distances: 50K, 25K, 10K trail runs, and a 5K fun run with obstacles.

The course offers a mix of flowy, rolling trails and technical singletrack through scenic northwoods, including old growth maple and hemlock forests, panoramic views of Lake Superior and the Apostle Islands, and historic sites like the Nourse Sugarbush. The looped course combines singletrack and cross-country ski trails. The event includes family-friendly activities, entertainment, and camping, with proceeds benefiting Camp Benesi and Mt.

Ashwabay. Visit the organization's website for the most recent information.

Race information

50 km
50k Trail Run
25 km
25k Trail Run
10 km
10k Trail Run
5 km
5k Fun Run W/ Obstacles
Visit the organization's website for the most recent information.
Trail runs nearby