1 running event in Challis, Idaho

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

• River of No Return Endurance Runs [ronrenduranceruns.com] [Register at ultrasignup.com] - Facebook
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  Sat, Jun 20, 2026

  32k 55k 108k Run Ultra

  Challis City Park, Challis, Idaho, United States
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