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
60°at start
77° high
Breezy
Dry
Warm afternoon, moderate winds
Runners will face a temperature increase from 59°F at the start to 75°F by the finish, with an average humidity of 71% and a dew point of 56°F. Winds will be consistent at 13 mph from the S, with gusts up to 27 mph. Runners should adjust their pace for the warmer conditions and stay hydrated throughout the race.
Race day forecast available in 124 days
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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 77°F and a low of 59°F with a 0% chance of rain.
