Ozark Trail 100 Mile Endurance Run

OCT
31
2026
Test yourself on 101 miles of iconic single track in the Missouri Ozarks. This point-to-point ultra, celebrating its 18th year, traverses the Mark Twain National Forest with significant elevation gain. It’s the 2026 Missouri RRCA State Ultra Championship.
Sat 31 Oct 2026
100 miles

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

Ozark Trail 100 Mile Endurance Run

The event is the 18th running of the Ozark Trail 100 Mile Endurance Run. It is a 101-mile point-to-point ultra run that takes place on October 31, 2026. The course follows nearly continuous single-track trail through the Mark Twain National Forest.

The route features approximately 12,000 feet of total elevation gain and includes stream crossings. It is a point-to-point journey from a remote wilderness start to the Bass River Resort in Steelville, Missouri.

The event is designated as the 2026 Missouri RRCA State Ultra Championship race.

Support during the race includes:

  • 13 fully stocked aid stations.
  • Crew access at specific points.
  • Drop bag service at designated aid stations.
  • Pacers are allowed starting at Brooks Creek (mile 40).

A pre-race dinner and mandatory briefing are held before the event. Registration for the race is non-refundable and non-transferable. Visit the organization's website for the most recent information.

100 mi
Ozark Trail 100 Mile Endurance Run