Sioux Falls Marathon on Aug 25, 2024 cancelled to due excessive heat, half marathon and 5K to continue.

Sioux Falls Marathon

Sioux Falls, SD, USA • September 20, 2026
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partly-cloudy-day Partly cloudy throughout the day.

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The Sioux Falls Marathon is South Dakota’s premier marathon weekend and features races for all levels of runners: from the Miracle 5K to a USATF certified Full Marathon that is a Boston Qualifying Race. Source

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When is the 2026 Sioux Falls Marathon?

The 2026 Sioux Falls Marathon will be held on Sunday September 20, 2026.

Is the Sioux Falls Marathon a Boston Marathon Qualfier?

Yes, the Sioux Falls Marathon is an official Boston Marathon qualifier.

What is the time limit for the Sioux Falls Marathon?

The time limit for the Sioux Falls Marathon is 6.5 hours.

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High temperatures and humidity expected on Sunday

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Historical Weather & Results

RunScore
Run Score: 6
Temp
76°F
Min/Max
61°/76°F
Dew
62°F
Days of Rain
1/8
Wind
13mph
Tap a row for details.
YearLow / HighRainResults

Sioux Falls Marathon 2025 Weather History

Partly cloudy throughout the day.

2025
partly-cloudy-night
54°/ 80°-
Run Score: 8

Sioux Falls Marathon 2024 Weather History

Partly cloudy throughout the day.

2024
cloudy
75°/ 82°-
Run Score: 7

Sioux Falls Marathon 2023 Weather History

Becoming cloudy in the afternoon.

2023
partly-cloudy-day
57°/ 76°-
Run Score: 8

Sioux Falls Marathon 2022 Weather History

Partly cloudy throughout the day.

2022
partly-cloudy-day
67°/ 82°-
Run Score: 7

Sioux Falls Marathon 2019 Weather History

Cloudy skies throughout the day with a chance of rain throughout the day.

2019
rain
58°/ 62°Light
Run Score: 7

Sioux Falls Marathon 2018 Weather History

Partly cloudy throughout the day.

2018
partly-cloudy-day
55°/ 70°-
Run Score: 8

Sioux Falls Marathon 2017 Weather History

Clearing in the afternoon with rain clearing later.

2017
cloudy
67°/ 79°-
Run Score: 6

Sioux Falls Marathon 2016 Weather History

Clear conditions throughout the day.

2016
clear-night
57°/ 75°-
Run Score: 6
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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:

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