The 25th Hour Endurance Run

The 25th Hour Endurance Run returns to Old Fort, North Carolina on October 31st, 2026, marking a unique event that celebrates the transition back into standard time with a full day and night of running. Hosted by Relentless Running Events at Camp Grier, this endurance challenge offers runners a scenic trail loop through Jarrett Creek, Copper Ridge, and around Camp Grier Lake.
On race morning, participants will gather on 985 Camp Grier Rd in Old Fort to begin their journey around the challenging yet picturesque course. The atmosphere is one of anticipation and camaraderie as runners prepare for what lies ahead: a mix of single-track trail, gravel paths, and grassy loops near the lake area where aid stations are set up. Each lap covers 3.6 miles with an elevation gain of approximately 600 feet.
This event has been running annually since its inception in Old Fort, North Carolina, gaining popularity among endurance athletes seeking a unique challenge. Over the years, it has supported various local causes and raised awareness for community wellness initiatives. The race is renowned not only for its scenic beauty but also for fostering a strong sense of community among participants.
The 25th Hour Endurance Run takes place on a well-maintained trail loop at Camp Grier, featuring single-track paths through Jarrett Creek and Copper Ridge, as well as grassy loops around the lake. Each lap is precisely measured at 3.6 miles with significant elevation changes that test both strength and endurance.
Runners can expect to start their journey from a central location on Saturday morning in Old Fort, North Carolina, where they will find the main aid station fully stocked with food and water supplies for the duration of the event. The course is designed to be challenging yet fair, allowing runners to push themselves while enjoying breathtaking views throughout.
Typical October weather in this region includes mild temperatures ranging from 9.2C at its coolest point early morning until a high of around 20.9C later in the day, with an average feel temperature of 15.1C due to moderate humidity levels and wind speeds averaging about 6.4 km/h. The trail conditions are firm but slightly soft underfoot, ensuring runners can maintain traction while navigating the course’s diverse terrain.