About This Race

The Next Loop Endurance Series at Busse Woods is a loop-based trail event at Ned Brown Forest Preserve near Chicago. Runners complete a 3.1-mile crushed limestone and packed gravel loop, returning to a central aid station each lap and choosing how far to go. Distances range from 5K through 50K across a mostly flat, non-technical course.

Course & Race Day Details

Flat course
Elevation
Flat Course
Trail surface
Surface
Trail Surface
T-Shirt
Race Swag
The Next Loop Endurance Series 5K, 10K, 1/2 Marathon, Marathon, 50K: T-Shirt

Hydration Support

Fully stocked aid station at the centralized start/finish area each lap.

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Choose Your Distance

The Next Loop Endurance Series 5K, 10K, 1/2 Marathon, Marathon, 50K Half Marathon
Trail-based endurance events designed to help runners go farther, stay strong and build real-world resilience. Whether you're chasing your first 10K or your first ultra, EvenFurther gives you the structure and community to explore your endurance frontier.
$100.00
Increases Jul 16
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