Ozark Trail 100 Mile Endurance Run

Steelville, United States • 31 Oct 2026

Ozark Trail 100 Mile Endurance Run - October 31, 2026

The Ozark Trail 100 Mile Endurance Run is a 100-mile point-to-point trail race in Steelville, Missouri, with base camp and the finish at Bass River Resort. The 2026 event is the 18th running and is designated as the 2026 Missouri RRCA State Ultra Championship. Registration closes on Sun, Oct 4.

Course and logistics

The course follows the Ozark Trail through Mark Twain National Forest on nearly continuous single-track. The route includes approximately 12,000 feet of elevation gain, stream crossings, and technical trail sections. There are 13 fully stocked aid stations, drop bag service at designated aid stations, and crew access points at key locations. Pacer options begin at Brooks Creek (mile 40). A mandatory pre-race briefing is scheduled for Oct 30. The event policy states entries are non-refundable, non-transferable, and cannot be rolled to future years. Visit the organization's website for the most recent information.

Race information

100 mi
100 Mile
Visit the organization's website for the most recent information.
Trail runs nearby

Celebrate Valentine’s Day on the trails at Maramec Spring Park with Iron Heart, offering distances from 5K to 100 miles. Scenic singletrack, hot quesadillas at aid stations, and finisher awards make for a memorable winter run.