The Next 100M Challenge - Pinnacle Mountain

JUL
25-26
2026
A loop based ultra at Pinnacle Mountain State Park offering 50K, 50 mile, 100K and 100 mile options with a central aid station and a limited field of 30 runners. Repeated laps allow frequent aid and crew access.
100 miles 100 kilometers 50 miles 50 kilometers

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The Next Loop 50K, 50M, 100K, 100M Challenge : Pinnacle Mountain State Park

The event is a loop based ultra held at Pinnacle Mountain State Park with staging, start and aid at the Big Maumelle Pavilion and access to the Coachwhip Trail system. The course uses an approximately 3.5 mile loop that runners repeat until they reach their chosen distance. The loop returns to a central hub each lap.

A central aid station at the pavilion is stocked with water, electrolytes and endurance friendly nutrition. The pavilion provides shade and fans for the staging area. Personal crew access is permitted in a designated area and runners can access the aid station each lap.

Participant numbers are limited to 30 runners across all distances. The event uses continuous running format so entrants complete repeated loops until they reach their distance. Cutoffs vary by distance; for example, the 50 mile day option has a 12 hour cutoff, the 50 mile night option has a 13 hour cutoff, and the longer events use multi hour cutoffs up to 32 hours.

Recommended equipment includes a hydration system, trail shoes suitable for mixed dirt trail and rolling terrain, headlamp and personal nutrition for night runners. All participants must stay on marked trails, follow park rules and carry out any litter. Visit the organization's website for the most recent information.

100 mi
100 Mile
100 km
100k
50 mi
50 Mile Night Run
50 mi
50 Mile
50 km
50k
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