Umstead 100 Mile Endurance Run
Morrisville, United States • 28-29 Mar 2026
Umstead 100 Mile Endurance Run
The Umstead 100 Mile Endurance Run is an ultra-distance event held in Raleigh, North Carolina. The course takes participants through the William B. Umstead State Park, utilizing the natural landscape of the protected area. The event is organized by the North Carolina Ultra Running Association and is scheduled to mark its 31st annual edition in 2026.
Participants can choose between two primary distances:
- 100 miles
- 50 miles
The event has a total time limit of 30 hours for completion. The race environment is supported by various amenities, including a headquarters store and a spaghetti dinner held prior to the start. Accommodation options for those traveling to the area include local hotels with specialized race rates, as well as on-site cabins and tents.
Registration for the event follows a specific process through the official association. For certain participants, the North Carolina Ultra Running Association offers the Blake Norwood Memorial Awards, which provide race entry to four active-duty members of the U.S. Armed Services. The race also utilizes a tracking system that allows for text message notifications when runners pass specific checkpoints. Support is provided by volunteers and pacers who assist throughout the duration of the event. Visit the organization's website for the most recent information.