Articles

Belgian Ultrarunner Karel Sabbe's Record-Breaking Pacific Crest Trail Run Showcased in New YouTube Documentary

Explore Karel Sabbe's record-breaking Pacific Crest Trail run in a riveting documentary. Jour..

Trail Running: How it Can Help Reduce Stress and Anxiety

Trail running is an effective way to reduce stress, anxiety, and improve physical and mental he..

Trail Running vs. Road Running: Which One Is Right For You?

When it comes to running, there are two primary options to choose from: trail running and road..

Ondessonk Trail Race

Name: Ondessonk Trail Race
Start: 2026-04-11
End: 2026-04-11
Location: Ozark

Ozark, United States • 11 Apr 2026

Ondessonk Trail Races

The Ondessonk Trail Races take place on April 11, 2026, at Camp Ondessonk, 3760 Ondessonk Rd, Ozark, IL 62972. This is the 16th annual edition. The event includes runs that use Camp Ondessonk trails, forests, canyons, pastures, and a route around Lake Echon. Two races are new for 2026: a half marathon and a one-mile fun run for families.

Events and registration

Half Marathon
Manchester 10k
5k Run
One-Mile Fun Run

Early bird registration prices apply through March 13, 2026. Listed fees are: half marathon $50 early bird, $75 after; Manchester 10k $40 early bird, $50 after; 5k $30 early bird, $35 after; one-mile fun run $20. The one-mile fun run registration closes April 10, 2026. All events include a race T-shirt; entrants who register after March 18 are not guaranteed their requested shirt size. The 5k, Manchester 10k, and half marathon award trophies to top male and top female finishers. Visit the organization's website for the most recent information.

United States Illinois Ozark

Race information

Registration

Half Marathon

10 km

Manchester 10k

5 km

5k Run

One-Mile Fun Run

Visit the organization's website for the most recent information.

Trail runs nearby

Saturday May 30

Red Cedar Trail Races at Giant City State Park

Experience Giant City State Park at the Red Cedar Trail Races on May 30, 2026. Choose a 5k, half marathon or rugged 40k on scenic single track with creek crossings, rolling climbs and finisher medals and swag.

Friday Jul 17

Cross Country Sundown Showdown

Carterville

5 km

Join the inaugural Cross Country Sundown Showdown in Carterville for a spirited 5K team contest over scenic grass, gravel and paved paths. Teams of 3 to 5 chase top honors as colorful mile markers guide a lively summer evening run.

Sat - Sun Aug 22-23

Shawnee Hills Trail Races

Explore rugged single track in Shawnee National Forest at Camp Ondessonk, with sandstone canyons, waterfalls and Salomon Ridge views across distances from a half to 100 Mile. Treehouse lodging, aid stations and buckle or medal finishes awai..