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
59°
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 173 days
Pre-raceRace windowPost-race
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
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.
