Bob Marshall Trail Half Marathon, 50K, and 10K
Seeley Lake, MT, USA · July 18, 2026
Race Day Weather
71°at start
85° high
Breezy
Dry
Warm conditions, adjust pace early
Runners will face a temperature rising from 61°F to 85°F, with a maximum wind speed of 8 mph from the SW. Humidity will be low at 30%, creating a dry atmosphere. Given the heat, runners should start conservatively and adjust their pace to avoid overheating as temperatures climb.
Race day forecast available in 20 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 86°F and a low of 55°F with a 2% chance of rain.