Beaverhead Marathon

Dillon, MT, USA · May 23, 2026

41°·43° high·Light·Dry

Weather

Course

FAQ

History

Race Day Weather

41°at start

43° high

Light

Dry

Cool, humid, light rain possible

Runners will face a cool start at 41°F, reaching a maximum of 43°F. With humidity at 98% and light rain expected, pacing should be conservative to manage moisture. The wind will be mostly calm, with occasional gusts from the NNE at 5 mph, allowing for steady progress.

7 AM

8 AM

9 AM

10 AM

11 AM

12 PM

1 PM

2 PM

3 PM

4 PM

5 PM

Pre-raceRace windowPost-race

Get forecast alerts for Beaverhead Marathon

We'll text or email you when the forecast shifts — so you can adjust gear, pacing, and strategy. Max one per day.

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 43°F and a low of 41°F with a 29% 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°

More MT Races

Bob Marshall Trail Half Marathon, 50K, and 10K

2026-07-18 · Seeley Lake, MT, USA

Whitefish Marathon

2026-05-16 · Whitefish, MT, USA

Governors Cup Marathon

2026-06-13 · Helena, MT, USA

Missoula Marathon

2026-06-28 · Missoula, MT, USA

Madison Marathon (MT)

2026-07-11 · Ennis, MT, USA

Big Sky Marathon

2026-07-12 · Ennis, MT, USA