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
Warming trend, moderate humidity
Runners will face a temperature rise from 59°F to 75°F, with average humidity at 71%. Winds will be a consistent headwind at 13 mph, with gusts up to 27 mph. Runners should consider starting conservatively and adjust their pace as temperatures increase, staying hydrated throughout the race.
Race day forecast available in 141 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.
