Allerton Park Trail Run
Monticello, United States • 26 Oct 2025
The Allerton Park Trail Run, held at Robert Allerton Park and Retreat Center in Monticello, Illinois, features a challenging 5.7-mile trail run and a 2-mile nature walk. The course follows the Sangamon River and includes natural obstacles like hidden roots, ruts, and sharp turns, offering a rugged trail experience. Proceeds support park maintenance and enhancements such as trail erosion control and new facilities.
The event encourages festive participation with a costume contest near Halloween and concludes in a meadow for socializing and awards. Registration guarantees a race shirt if completed by the mid-October deadline. Dogs are not permitted for safety reasons. Visit the organization's website for the most recent information.