Are dogs allowed on the course?

No, for safety purposes, dogs are not permitted on either the trail run or the nature walk.

Is there a virtual option for this race?

Yes, a virtual option is available for those who cannot attend on race day, though virtual participants are not eligible for age-group awards.

What is the deadline to guarantee a race shirt?

You must register by Wednesday, October 14th, 2026, to guarantee a race shirt.

Are there awards for the 2-mile nature walk?

No, the 2-mile nature walk is a non-competitive event and no awards will be given.

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Allerton Park Trail Run

Sunday, October 25, 2026Monticello, IL5.7 Miles

Experience the rugged beauty of the Allerton Park Trail Run, a 5.7-mile challenge that winds along the scenic Sangamon River. This course is designed for those who enjoy technical terrain, featuring hidden roots, ruts, and sharp turns that keep runners on their toes. The event concludes in a welcoming meadow, perfect for celebrating your finish with friends and family. With the race falling near Halloween, participants are encouraged to embrace the spirit of the season by wearing costumes on the trails. Beyond the run, your participation supports vital trail maintenance and park enhancements at Allerton Park. Whether you tackle the competitive trail run or the non-competitive nature walk, you are contributing to the preservation of this beautiful local landmark.