Tough as Trails Race Series

OCT
26
2025
Take on three scenic off road trail races around Durham NC at Eno River, Uwharrie and the Mountains to Sea Trail in 2025 and 2026. Sign up for the full series and finish all three races to earn series awards and a custom finisher prize.
Sun 26 Oct 2025
40 miles 50 kilometers 20 miles 12 miles 11 miles 8 miles 6 miles

Always double-check with the organizer's website! This page may contain affiliate links.

Tough as Trails Race Series

The Tough as Trails Race Series is presented by Bull City Running Co. It takes place across multiple locations in Durham, NC, including Eno River State Park, Uwharrie National Forest, and the Mountains-to-Sea Trail. The series spans the 2025-2026 season and is made up of three off-road trail races. One series listing shows a price of $0, 50 spots remaining, and registration closing October 25, 2025.

Races, distances and rules

  • Eno River Run (10/26/25): 6 miles or 11 miles
  • Uwharrie Mountain Run (2/7/26): 8 miles, 20 miles, or 40 miles
  • Mountains-to-Sea Trail Challenge (4/12/26): 12 miles or 50 km

Participants must register for all three races during series registration and must complete all races to be eligible for series awards. Series scoring and awards are based on total mileage completed. Distance-change requests must be made one month before a race date to the series director; refunds are not issued for reduced distances and additional fees apply for increases. No refunds or participant transfers are permitted after registering for the series. All series finishers receive a custom finisher award and the benefits and finisher items provided by each individual race. Visit the organization's website for the most recent information.

40 mi
Uwharrie Mountain Run 40 Miles
50 km
Mountains-to-Sea Trail Challenge 50 Km
20 mi
Uwharrie Mountain Run 20 Miles
12 mi
Mountains-to-Sea Trail Challenge 12 Miles
11 mi
Eno River Run 11 Miles
8 mi
Uwharrie Mountain Run 8 Miles
6 mi
Eno River Run 6 Miles

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