The 2026 event has concluded.

Beaverhead Marathon

Dillon, MT, USA · May 23, 2026

52°·62° high·Breezy·Dry

Weather

Course

FAQ

History

Race Day Weather

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.

7 AM

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Race Info

Website

Course Map

FAQ

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

Conditions

Rain Freq

0 of 2 yrs

Wind6mph

Dew34°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Conditions	Low / High	Rain	Dew Point	Score
2025 Beaverhead Marathon Clear conditions throughout the day. 2025		41°/61°	-	37°
2024 Beaverhead Marathon Clear conditions throughout the day. 2024		37°/67°	-	32°

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