Sioux City, Iowa&#39;s premier running event.  Featuring a Kids Run, 5K, 10K, and 1/2 Marathon   All courses will be Flat, Fast &amp; Fun!  Starting and Finishing at the Siouxland Expo Center and continuing on the Missouri River Trail next to it.  Proceeds will help support the efforts of the H.A.R.T. Foundation.  Helping Athlete&#39;s Run &amp; Train.  The 1/2 Marathon will have an updated course because of the flooding on the Big Sioux and Missouri River.  The FULL Marathon has been cancelled to the wash outs on the course.  The Marathon will be back next year as a 3 State Marathon.  Mother Nature has spoken on the river.

Mighty Mo Run - Race Reviews