Races›United States›Montana›14th Annual Trail Rail Run
St. Regis, MT, seen from above
June 2027 · date to be announced

14th Annual Trail Rail Run

St. Regis, Montana · United States
RelayMountain95% trail

Follows a historic rail line past two train trestles

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Course

Point-to-point ultra and trail race following historic railroad grades from Mullan, Idaho to St. Regis, Montana. About 95% is unpaved railroad ballast, dirt and gravel with a gentle net descent overall, passing two historic trestles and a tunnel. Ten aid stations support the route.

50 Mile Ultra50 mi
50 Mile Relay50 mi
50K Ultra50 km
30K Trail Run19.5 km
12K Trail Run12 km
5K Trail Run4 km

Key dates

Provisional date, projected from last year — the organiser has not announced this edition yet. We show the month only.

About

The Trail Rail Run is a scenic ultra trail race held annually in western Montana, offering a 50-mile course that traverses historic railroad grades from Mullan, Idaho, to St. Regis, Montana. Set against the backdrop of the Rocky Mountains, the route features gentle grades, two historic train trestles, and a picturesque tunnel, making it accessible for both seasoned ultrarunners and those new to the distance.

Your next race, seen from above.
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A confirmed date shows its day; a provisional one shows only its month, because we won't claim a day we don't have. This page is rebuilt every night from the RunCalendar catalogue.