The Sioux Falls Half Marathon: Skedaddle presented by First National Bank in Sioux Falls is the people’s race of South Dakota. Organized by 605 Running Company, this half marathon is a truly unique running experience. We spare no expense offering quality swag, elite competition, a scenic course and incredible comradery only found within our local running communities. For us the Skedaddle isn’t just a day; it is a weekend destination full of unique offerings from beautiful Sioux Falls, South Dakota.