The 2026 Beaverhead Marathon has concluded.

Beaverhead Marathon

Race complete
Dillon, MT, USA · May 23, 2026
clear-day52°·62° high·Breezy·Dry
8
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Weather
Course
FAQ
History

Race Day Weather

clear-day
52°at start
62° high
Breezy
Dry

Cool temperatures, manageable winds

Runners will face a cool start at 48°F, gradually warming to 62°F. Winds will be from the E with a peak of 14 mph, creating a slight headwind. With humidity at 49% and no significant rain expected, pacing should remain steady, allowing for a strong finish.

clear-day7
clear-day7
clear-day8
clear-day7
clear-day8
clear-day8
partly-cloudy-day9
partly-cloudy-day8
partly-cloudy-day8
partly-cloudy-day8
cloudy9

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Race Info

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Area Map

Course Map

Course Map Unavailable

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FAQ

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When is the 2026 Beaverhead Marathon?

The 2026 Beaverhead Marathon will be held on Saturday May 23, 2026.

What is the time limit for the Beaverhead Marathon?

The time limit for the Beaverhead Marathon is 6 hours.

What will the weather be like for the 2026 Beaverhead Marathon?

The forecast calls for a high of 62°F and a low of 43°F with a 100% chance of rain.

Historical Weather

Based on 2 years of data
Avg Temp
64°F
L:39° H:64°
RunScore
9
Conditions
Rain Freq
0%
0 of 2 yrs
Wind6mph
Dew34°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScore

2025 Beaverhead Marathon

Clear conditions throughout the day.

2025
clear-day
41°/61°-
8

2024 Beaverhead Marathon

Clear conditions throughout the day.

2024
clear-day
37°/67°-
8

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Free guidesMarathon Fueling Guide·Carb Loading Guide·Race Morning Guide·Race Day Gear Guide·Pacing Strategy Guide·Mental Strategy Guide

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