Our courses were changed in 2007 to offer new and improved race courses, both of which have no notable hills, a scenic river crossing, and a finish at the Lewis & Clark campsite in historic Frontier Park.

Lewis & Clark Marathon (MO)

Human Interest Story

The Lewis and Clark marathon boasted an increase of two-hundred runners over last year and according to the Sioux City Sports Authority runners and spectators spent nearly two-hundred thousand dollars toward the local economy.

Siouxland Lewis and Clark Marathon Generates Dollars

Post-Race Review/ Results

Tom Tisell crossed the finish line ahead of all comers at the Lewis and Clark Marathon with a time of 2 hours 34 minutes and 46 seconds on the last year for the current course.

St. Paul Native Takes Men's Marathon; Le Mars’ Meister Wins Half-Marathon

The largest registration numbers in the seven year history of the Siouxland Lewis and Clark Marathon will kick off on Saturday in what race directors hope to be near ideal running conditions.

Lewis and Clark Marathon Marks Peak Registration

The Lewis & Clark Marathon last weekend was a huge success with moderate temperatures and more than five-thousand runners hitting the pavement. The marathon last year was canceled as a result of Hurricane Ike.

Marathon Summary

Marathon Results