Trail Running calendar near Mills 2026-2027

We have found 2 Trailruns within 80 miles of Mills. See below where and when you can find the races.

An overnight time-based trail event on Casper Mountain offering 4-hour and 12-hour solo entries and a 12-hour four-person relay. The 10th edition includes finisher awards for all and a limited souvenir for early registrants.

September 2026

This self supported 36 hour event in Casper features a 3 mile out and back loop on the Platte River Trail. Participation is free and limited to 10 runners who manage their own supplies and tracking.

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