Montana Marathon
Billings, MT, USA · September 20, 2026
Race Day Weather
51°at start
70° high
Breezy
Dry
Cool start, warming trend ahead
Runners will face a temperature increase from 51°F at the start to a peak of 69°F. Winds will be light at 11 mph from the S, with occasional gusts. With average humidity at 56%, hydration strategies should be prioritized as temperatures rise, and runners may consider adjusting their pace as the day warms.
Race day forecast available in 133 days
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Distance: 26.2mi
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FAQ
When is the 2026 Montana Marathon?
The 2026 Montana Marathon will be held on Sunday September 20, 2026.
Is the Montana Marathon a Boston Marathon Qualifier?
Yes, the Montana Marathon is an official Boston Marathon qualifier.
What will the weather be like for the 2026 Montana Marathon?
The forecast calls for a high of 70°F and a low of 51°F with a 0% chance of rain. Check our detailed hourly forecast above for the best marathon race plan.
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