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Trail Running Calendar Illinois 2026-2027

We have found 103 Trailruns in Illinois. Check below where and when you can find the races.

Da Deer Run Run

Hudson

Experience a cross country style trail race through the Timber Pointe Nature Center at Lake Bloomington. Choose between 4K and 8K loops or a three hour endurance challenge while supporting local nature conservation.

Yeti Winter Trail Series

Dixon

A four race winter trail series in Dixon, Illinois totaling 31 miles across four dates from December 2025 to March 2026. Distances range from 5K to 20K with series awards and age-category prizes.

March 2027

Muddy Shamrock @ The Forge

Lemont

A trail event at The Forge Lemont Quarries on March 13, 2027 featuring a half and quarter marathon on wooded single and double-track trails with varied, technical terrain and one aid station for the half.

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