Montana Marathon

Billings, MT, USA • September 20, 2026
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partly-cloudy-day Partly cloudy throughout the day.

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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 Qualfier?

Yes, the Montana Marathon is an official Boston Marathon qualifier.

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Historical Weather & Results

RunScore
Run Score: 7
Temp
70°F
Min/Max
52°/71°F
Dew
41°F
Days of Rain
2/12
Wind
13mph
Tap a row for details.
YearLow / HighRainResults

Montana Marathon 2025 Weather History

Partly cloudy throughout the day.

2025
partly-cloudy-day
65°/ 81°-
Run Score: 7

Montana Marathon 2024 Weather History

Partly cloudy throughout the day with afternoon rain.

2024
partly-cloudy-day
44°/ 51°Light
Run Score: 7

Montana Marathon 2023 Weather History

Partly cloudy throughout the day.

2023
partly-cloudy-day
55°/ 81°-
Run Score: 8

Montana Marathon 2022 Weather History

Partly cloudy throughout the day.

2022
partly-cloudy-day
36°/ 56°-
Run Score: 8

Montana Marathon 2021 Weather History

Partly cloudy throughout the day with afternoon rain.

2021
partly-cloudy-day
51°/ 60°Light
Run Score: 8

Montana Marathon 2020 Weather History

Partly cloudy throughout the day.

2020
partly-cloudy-day
54°/ 71°-
Run Score: 7

Montana Marathon 2019 Weather History

Partly cloudy throughout the day.

2019
partly-cloudy-day
65°/ 92°-
Run Score: 8

Montana Marathon 2018 Weather History

Partly cloudy throughout the day.

2018
partly-cloudy-day
52°/ 71°-
Run Score: 8

Montana Marathon 2017 Weather History

Partly cloudy throughout the day.

2017
partly-cloudy-day
40°/ 58°-
Run Score: 8

Montana Marathon 2016 Weather History

Partly cloudy throughout the day with late afternoon rain.

2016
partly-cloudy-day
62°/ 79°-
Run Score: 8

Montana Marathon 2015 Weather History

Becoming cloudy in the afternoon.

2015
partly-cloudy-day
54°/ 80°-
Run Score: 7

Montana Marathon 2014 Weather History

Clear conditions throughout the day.

2014
clear-day
47°/ 72°-
Run Score: 8
You Need an Account For That

Setting up a racecast.io account will allow you to start building a reputation in the community. Over time you'll be able to rate races, join the discussion, and post in the community.

Right now we are invite only, you can get on the waitlist by entering your email below:

OR
You Need an Account For That

Setting up a racecast.io account will allow you to start building a reputation in the community. Over time you'll be able to rate races, join the discussion, and post in the community.

Right now we are invite only, you can get on the waitlist by entering your email below:

OR