The Next Loop Endurance Series - Tyler
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The Next 40M/50M/12HR Challenge : Tyler State Park, Nov 14, 2026
The Next 40M/50M/12HR Challenge is a continuous loop endurance race held at Tyler State Park on Nov 14, 2026. The event uses a 3.1 mile (5K) loop of well maintained dirt singletrack through pine forest with rolling terrain and occasional lake views.
The course features steady climbs, smooth runnable sections, and measurable elevation change that requires pacing and fueling strategy. Runners complete repeated laps until they reach their chosen distance or the 12 hour time limit is reached. The start and finish are at the same location each loop.
A central staging area near the start provides a designated personal staging space and a fully stocked aid station on every lap. The aid area offers hydration, nutrition, crew support, and access to race staff to support logistics throughout the event.
Distances offered
- 40 Mile - 12 hour cutoff
- 50 Mile - 12 hour cutoff
The format removes the need for navigation by keeping the route consistent each lap. The continuous loop and centralized support emphasize steady pacing, fueling, and mental endurance over multiple repetitions of the same trail. Visit the organization's website for the most recent information.
