1 event in Johnson County, Illinois

From big races to Saturday morning group runs—find half marathon events and connect with the local endurance sports community.

• Shawnee Hills Trail Races [shawneehills100.weebly.com] [Register at ultrasignup.com] - Facebook
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  Sat, Aug 22, 2026

  50k 100k Half Marathon Trail Ultra

  3760 Ondessonk Rd., Johnson County, Illinois, 62972, United States
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