Ozark Trail 100 Mile Endurance Run

OCT

31

2026

An iconic 100-mile point-to-point journey on the Ozark Trail through Missouri's Mark Twain National Forest. This 18th edition, serving as the RRCA State Ultra Championship, features technical single-track, stream crossings, and a supportive ultrarunning community.

Sat 31 Oct 2026

Steelville, Missouri

Website Registration

100 miles

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Event Overview

The Ozark Trail 100 Mile Endurance Run is an ultramarathon event scheduled for October 31, 2026. It is the 18th edition of the race and has been designated as the 2026 Missouri RRCA State Ultra Championship. The event features a single distance of 100 miles.

Course and Location

The point-to-point course is run on nearly continuous single-track trail within the Mark Twain National Forest in Missouri. The route includes technical terrain, stream crossings, and approximately 12,000 feet of total elevation gain. The race starts in the pre-dawn hours and the base camp and finish line are located at Bass River Resort in Steelville, Missouri.

Event Details

There are 13 aid stations along the course. Crew access is available at specific points, and a drop bag service is offered at designated aid stations. Participants are allowed pacers starting from the Brooks Creek aid station at mile 40. A mandatory pre-race briefing is held on Friday, October 30, 2026. There is also a pre-race dinner. The entry fee is non-refundable, non-transferable, and cannot be deferred to future years. Visit the organization's website for the most recent information.

100 mi

100 Miles