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Indexed listing · Ennis, MTNot yet claimed
Madison Marathon. 2026
Nearby races · 12
Pulling race details. Checking the course notes.
Nearby races · 12
The Madison Marathon is a 26.2-mile road race held July 11, 2026, in Ennis, Montana, organized by the Greater Yellowstone Adventure Series. The race starts at 9,250 feet elevation on a gravel road course in the Gravelly Range, with the entire route remaining above 8,500 feet. Participation is capped at 150 runners to comply with U.S. Forest Service regulations for public lands. The race attracts participants from approximately 40 states and several countries, including Marathon Maniacs and 50-Staters, along with first-time marathoners and repeat finishers.
Distances
Distances as listed on a public calendar. Nothing about entry, timing or inclusions is on file.
Getting there
Ennis, MT. Exact start not reported.
Race reviews
Race-day experiences shared about Madison Marathon 2026.
Good to know
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No. Greater Yellowstone Adventure Series runs this race. This page is built from public information on their site. Register and check race-day updates on yellowstoneadventureseries.com .
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