King Street Backyard Ultra
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King Street Backyard Ultra - Colona, IL
King Street Backyard Ultra is a backyard ultra running event held in Colona, Illinois at 1350 Cleveland Rd. The event follows a standard backyard ultra format: runners complete a single loop of 4.17m each hour, repeating the loop every hour until they stop.
The course uses a mix of trails and roads and is described as generally flat and fast. One notable change in elevation is a hill that climbs out of a ravine at about the halfway point of the loop. There is parking and space for participants to set up camp near the course.
The format is set up to allow runners to cover progressive distances by completing successive hourly loops. The listed event date is November 7, 2026. Entries are managed through the event registration system. Visit the organization's website for the most recent information.
