Illinois · 100 Miler · 100K · 50K

Shawnee Hills Trail Races

Shawnee Hills Trail Races is a 100 Miler, 100K, 50K and 5K event held in Ozark, Illinois. It was last held on August 22, 2026 and is usually run in August; the next date hasn't been announced yet. About 91 runners take part across all distances.

Usually held
August
Location
Ozark, IL
Field size
~91 runners

Race details

Last held
August 22, 2026
Usually held in
August
Location
Ozark, Illinois
Distances
100 Miler, 100K, 50K, 5K
Field size
About 91 runners
Course
3200 ft gain
Registration
runsignup.com
Official website
facebook.com

Registration, course & weather

Start time
6:00 AM CDT
Course profile — 50K
Loop course; Trail surface; 3200 ft gain, 3200 ft loss (estimated from third-party elevation data)
Course profile — 100K
Loop course; Trail surface; 6400 ft gain, 6400 ft loss (estimated from third-party elevation data)
Course profile — 100 Miles
Loop course; Trail surface; 9600 ft gain, 9600 ft loss (estimated from third-party elevation data)

About the Shawnee Hills Trail Races

Course Details Camp Ondessonk 3760 Ondessonk Rd. Ozark, IL 62972 Camp Ondessonk, in the heart of the Shawnee National Forest, is the home base for Shawnee Hills Trail Races. Runners get to explore some of the most stunning and extraordinary rock formations and waterfalls that Shawnee National Forest is well known for, vegetation consists largely of oak-hickory, maple-beech, and pine forests. The course takes you deep into the sandstone canyon systems of Southern Illinois' Shawnee Hills Natural …

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Shawnee Hills Trail Races: common questions

When is the Shawnee Hills Trail Races?
The next date hasn't been announced in the listing yet. The race is usually held in August. Check the organiser's website for the official date.
Where is the Shawnee Hills Trail Races held?
In Ozark, Illinois.
What distances does the Shawnee Hills Trail Races offer?
100 Miler, 100K, 50K and 5K.
How many people run the Shawnee Hills Trail Races?
About 91 runners across all of its distances. That figure is an estimate of the field size, not an entry cap.
How do I register for the Shawnee Hills Trail Races?
Registration is handled by the organiser at runsignup.com. Entry fees, caps and deadlines are set there.
Is registration open for the Shawnee Hills Trail Races?
Registration status as last checked October 20, 2026: completed.
What time does the Shawnee Hills Trail Races start?
6:00 AM CDT.