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
Race Day Weather
48°at start
63° high
Windy
Dry
Cool start, shifting winds ahead
Runners will face a cool start at 44°F, warming to 63°F by race's end. Wind will be a factor with a steady headwind in the first half, particularly from miles 1 to 11, then shifting to tailwind from miles 13 to 21. Hydration will be important due to the 64% humidity; runners should adjust their pace early to conserve energy for the tougher segments.
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Distance: 26.2mi
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FAQ
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 Qualifier?
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.
What will the weather be like for the 2026 Sioux Falls Marathon?
The forecast calls for a high of 63°F and a low of 47°F with a 19% chance of rain.
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