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MULTIDAYRUNNING
🏁 Fixed-Distance

Ozark Trail 100 Mile Endurance Run

A 100.9-mile point-to-point race through Missouri's Mark Twain National Forest, using mostly Ozark Trail singletrack with a 32-hour cutoff.

Official WebsiteBack to Events

Event dates, entry rules, qualification standards, and course details can change. Always verify current information on the official event website before registering or booking travel.

Event Overview

Listed edition overview
DateOct 31 - Nov 1, 2026
Location🇺🇸 Mark Twain National Forest to Steelville, Missouri, USA
FormatFixed-Distance
TerrainTrail
RegionNorth America
Distance100.9 mi
State / areaMissouri (MO)
Course modelPoint-to-point
Elevation gainApproximately 12,000 ft
Cutoff32 hours
HighlightsOzark Trail, Point-to-Point

Course & Terrain

Point-to-point route beginning with a short forest-road section before moving predominantly onto Ozark Trail singletrack and finishing at Bass River Resort.

Key course features to know before comparing this race:

  • Mark Twain National Forest
  • Water crossings and a Bass River Resort finish

Leaf-covered technical trail, rocks, roots, water crossings, and long nighttime singletrack can make navigation and footing more demanding.

Entry & Logistics

Listed qualification and support details
Registration and feesCheck the official event website for current availability, deadlines, prices, taxes, and refund terms.
Logistics noteReview the current official page for shuttle, crew, pacer, aid-station, drop-bag, and cutoff details for the point-to-point course.

Why This Race Matters

Ozark Trail 100 Mile Endurance Run is a useful reference point for runners comparing long fixed-distance ultras that still unfold over multiple days. Its format, terrain, and support model shape the kind of preparation required: not just fitness, but pacing discipline, nutrition planning, foot care, and the ability to make good decisions under fatigue.

Planning Notes

  • Prepare for sleep decisions, weather swings, and aid-station discipline. The distance is only one part of a multi-day fixed-distance race.
  • Treat intermediate cutoff gates as part of the course. Build enough margin for aid stops and late-race slowdown, and verify every current gate in the official rules.
  • Train for terrain-specific fatigue. Technical trails and mountain courses demand downhill durability, hiking efficiency, and reliable night lighting.
  • The directory does not mark this as having simpler logistics. Confirm qualification, terrain, support, registration, medical, and withdrawal requirements before planning around it.
  • Actual listed distance is 100.9 miles
  • Autumn leaves can conceal technical footing

Event FAQs

How long is the Ozark Trail 100 course?

The official event page lists 100.9 miles.

What is the Ozark Trail 100 cutoff?

The official time limit is 32 hours.

Verification & Sources

Verification scope: the listed edition's date, location, format, and available logistics were checked against the event-specific official sources below during the directory review dated August 10, 2026. Organizers can revise details after review.

  1. Official Ozark Trail 100 site and results archive — https://ozarktrail100.com/
  2. Multiday Running event directory review scope: August 10, 2026.