Races›United States›Montana›Diamond City Mountain Relay
White Sulphur Springs, MT, seen from above
July 2027 · date to be announced

Diamond City Mountain Relay

White Sulphur Springs, Montana · United States
RelayMountain

A three-day, 215-mile relay through Montana's mountains

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Course

A three-day relay of roughly 215 miles on dirt roads and singletrack through the Montana mountains, run by teams of 6 to 12 with most legs between 3 and 5 miles. Day one runs Townsend to White Sulphur Springs, day two south of White Sulphur Springs to Monarch, and day three north of White Sulphur Springs to Diamond City. Each day starts around 6 a.m.

Marathon42.2 km
Half Marathon21.1 km
10K10 km
5K5 km

Key dates

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

About

Join us for the 7th Annual Diamond City Mountain Relay - a three day running relay race of around 215 total miles on dirt roads and single tracks through the mountains of Montana. Teams of 6-12 people run relay legs of a set distance (most legs are 3-5 miles) Every team member is required to run at least one leg per day. Two support vehicles provided by the team chase each runner and drop off at designated exchange zones.

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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.