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Beaverhead Marathon

Dillon, MT
Saturday, May 23, 2026


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Course Description
The Full Marathon starts at Horse Prairie Camp Ground at Clark Canyon Reservoir near the site of Lewis & Clarks Camp Fortunate with the Tendoy Mountains and Lima Peaks in the background. Participants will run on the 45th Parallel and then follow downstream along the Beaverhead River a Blue Ribbon Trout Stream past geological features like the Pipe Organ, Daly Spur, and Rattlesnake Cliffs. Runners will run past many historic landmarks including the site where gold was discovered on Grasshopper Creek in 1862.

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Race Information

Race Dates

2026: Saturday, May 23, 2026
2025: Saturday, May 24, 2025

Course Information

Profile: Downhill
Type: Point to Point
Surface: Mostly on Trails

Boston Qualifier?: No
World Marathon Major Qualifier?: No

Race Day Weather

Mean Temp.: 50°F (10°C)
Average High: 63°F (17°C)
Average Low: 36° F (2°C)

PR Score & Course Score

PR Score: N/A
Course Score: N/A

Race Size

2025: No Results
2024: 16 Finishers
2023: 13 Finishers
2022: 12 Finishers
2021: 14 Finishers
2020: No Results

BQ Percentages

2025: N/A
2024: N/A
2023: N/A
2022: N/A
2021: N/A
2020: N/A

Miscellaneous Information

Pace Groups?: No




How does the Beaverhead Marathon Rank?

The Beaverhead Marathon was the 589th largest marathon in the U.S. in 2024. Last year's race was cancelled.



Beaverhead Marathon Elevation Chart


No course elevation available at this time.




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Comparison Tool

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