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trail108 km · 32 km · 55 kmPast eventultra

River of No Return Endurance Runs

Saturday, 20 June 2026 · Challis, ID, United States

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Dates and distances

  • 32 km

    32K

    Past date

  • 55 km

    55K

    Past date

  • 108 km

    108K

    Past date
Date
Saturday, 20 June 2026
Location
Challis, ID, United States
Distances
108 km · 32 km · 55 km
Plan with confidence. Race dates, prices and entry availability can change. Always confirm the latest details with the organiser before making plans. Check the official race website ↗Listing last updated 4 October 2026. This is a listing update, not a guarantee that every detail has been rechecked.

About This Race

River of No Return Endurance Runs is a 108 km ultramarathon trail race held in Challis, ID. The event takes place in June 2026.

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