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

Seeley Lake, MT, USA · July 17, 2027
partly-cloudy-day71°·84° high·Light·Dry
8
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Race Day Weather

partly-cloudy-day
71°at start
84° high
Light
Dry

Warm day, adjust pace early

Runners will face a starting temperature of 61°F, rising to 84°F by the finish. With a light wind from the SW at 7 mph and low humidity at 33%, hydration will be crucial. It's advisable to start conservatively to manage the heat as temperatures climb during the race.

Race day forecast available in 342 days
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Race Info

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Course Map

FAQ

When is the 2027 Bob Marshall Trail Half Marathon, 50K, and 10K?

The 2027 Bob Marshall Trail Half Marathon, 50K, and 10K will be held on Saturday July 17, 2027.

What is the time limit for the Bob Marshall Trail Half Marathon, 50K, and 10K?

The time limit for the Bob Marshall Trail Half Marathon, 50K, and 10K is 8 hours.

What will the weather be like for the 2027 Bob Marshall Trail Half Marathon, 50K, and 10K?

The forecast calls for a high of 86°F and a low of 55°F with a 1% chance of rain.

Historical Weather

Based on 3 years of data
Avg Temp
85°F
L:63° H:88°
RunScore
6
Conditions
Rain Freq
0%
0 of 3 yrs
Wind12mph
Dew46°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScore
2026
clear-day
69°/91°-
6
2024
clear-day
53°/81°-
8
2023
clear-day
66°/91°-
6