SIOUX FALLS, S.D. (Dakota News Now) - The Sioux Falls Sports Authority has announced that registration for the 2026 Sioux Falls Marathon is now open, with the race returning in September.

The 2026 Sioux Falls Marathon includes a full marathon, a half marathon, and a 5K, and will take place on Sunday, September 20.

If you’re interested in an additional challenge, you can register for a “dual race option”, which features the full marathon/5K or the half marathon/5K. Both dual races are held on race day.

“The Sioux Falls Marathon continues to grow each year, and we cannot wait to host local runners and those from around the world once again,” said Jerry Palleschi, Project Director of the Sioux Falls Sports Authority. “Runners have truly embraced the September date, and we look forward to a

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