Bob Marshall Trail Half Marathon, 50K, and 10K
Seeley Lake, MT, USA • July 18, 2026
Race Day Weather
60°
84° high
Breezy
Dry
Warm start, adjust pace early
Runners will face temperatures starting at 64°F and climbing to 84°F. A light wind from the SW at 12 mph will provide some relief, but with low humidity at 31%, hydration will still be key. Runners should adjust their pace conservatively as the heat increases throughout the race.
Race day forecast available in 102 days
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FAQ
When is the 2026 Bob Marshall Trail Half Marathon, 50K, and 10K?
The 2026 Bob Marshall Trail Half Marathon, 50K, and 10K will be held on Saturday July 18, 2026.
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 9 hours.
What will the weather be like for the 2026 Bob Marshall Trail Half Marathon, 50K, and 10K?
The forecast calls for a high of 84°F and a low of 55°F with a 0% chance of rain.