Ozark Trail 100 Mile Endurance Run

Steelville, United States • 31 Oct 2026

Ozark Trail 100 Mile Endurance Run

The Ozark Trail 100 Mile Endurance Run is the 18th running of a point to point ultra held near Steelville, Missouri, with base camp and the finish at Bass River Resort. The course follows single track through Mark Twain National Forest and covers about 100 miles.

The route features nearly continuous single track, technical sections, stream crossings, and approximately 12,000 feet of elevation gain. There are 13 fully stocked aid stations, designated crew access points, and drop bag service at specific aid stations. Pacer options begin at Brooks Creek, around mile 40.

Logistics for the 2026 event include a mandatory pre-race briefing on Friday, October 30, and the race has been selected as the 2026 Missouri RRCA State Ultra Championship. Registration is non refundable and non transferable and entry cannot be rolled to future years. Registration closes on October 4. 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

A backyard ultra in Bourbon Missouri where runners complete repeated 4.16 mile loops each hour until one runner remains. All proceeds support The Freedom 13, a nonprofit serving veterans and law enforcement.

A two person relay along the Ozark Trail combining trail running, mountain biking and paddling through the Mark Twain National Forest near Steelville, Missouri, with short and long course options and river finish scenery.

A backyard ultra at Lions Club Park with repeated 4.167 mile laps on a dirt day loop and a paved night loop. The race continues until one runner completes one more lap than the rest, with awards and community fundraising.

Test your endurance at Maramec Spring Park with trail distances ranging from a 5K to a 100 mile ultra. Experience historic forest trails and technical Ozark terrain at this multi distance running event.

Add Event
Help us complete the calendar!
  • Distance is at least 5 km
  • Event has a website or Facebook page
Website
Optional: Please provide your e-mail address if we may contact you.
Report a change
We will only update the data if the information is also on the website.