Montana Marathon
Billings, MT, USA · September 20, 2026
Race Day Weather
50°at start
68° high
Breezy
Dry
Cool start, warming trend
Runners will face a temperature increase from 50°F at the start to a warm 67°F by the finish. Winds will be from the W with a steady speed of 9 mph, creating a slight headwind. With humidity at 52%, runners should consider pacing conservatively in the later stages to maintain energy levels.
Race day forecast available in 44 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 75°F and a low of 50°F with a 10% chance of rain. Check our detailed hourly forecast above for the best marathon race plan.
