Course Description

The Headwaters Relay course begins in Headwaters State Park just northeast of Three Forks, Montana, and ends more than 200 miles to the south at Hellroaring Creek at the eastern end of the Centennial Mountains, where the source of the Missouri River is found.

Route Map

This map shows, approximately, the entire Relay course. See the Daily Course Maps for detailed, accurate depictions of each day's course.

NOTE: The 2010 course reverts the last day's set of legs back to their pre-2009 routing. Be sure to check out the updated leg details and daily course maps!

Daily Course Maps

Day 1 Map

Day 2 Map

Day 3 Map

Elevation Profiles