Tough as Trails Race Series

The Tough as Trails Race Series, presented by Bull City Running Co., is a challenging off-road trail running series held in North Carolina across multiple scenic locations including Eno River State Park, Uwharrie National Forest, and the Mountains-to-Sea Trail. The 2025-2026 series features three races: the Eno River Run (6 or 11 miles), Uwharrie Mountain Run (8, 20, or 40 miles), and the Mountains-to-Sea Trail Challenge (12 miles or 50km). Participants must register for all three races and complete them to be eligible for awards.

The series emphasizes beautiful single-track trails and offers custom finisher awards along with race-specific benefits. Visit the organization's website for the most recent information.