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Lewis & Clark Half Marathon

Quick facts

Distance Half marathon

About Lewis & Clark Half Marathon

The Lewis & Clark Half Marathon is one of Washington’s smaller running races but also one of its most scenic. The race is run along a beautiful riverside course that runs alongside Idaho’s Snake River, through the cities of Clarkston and Lewiston, with the turnaround point in nearby Asotin, Washington, just to the south.

There is also a 5K Fun Run at the event.


Half Marathon

  • 21.097km


  • 5km


Award Medals

Trophies to top 3 male & female half-marathon finishers, ribbons for all age-group winners. All half-marathon participants receive a medal if they finish.


This will be a chip-timed event.


Granite Lake Park



The starting and finish lines for the race lie at Granite Lake Park on Port Way in nearby Clarkston, which lies just over the state line in Washington to the west of Lewiston.

From there, runners follow an out-and-back course almost entirely along the Snake River, following the bends of the river as it curves its way southward down to the half marathon’s turnaround point in Asotin. Once there, runners begin their trek back along the trail’s fast and flat course, made up mostly of paved surfaces throughout the race.

The race information has been found on the official website of the event or through publicly available sources. Always refer to the official website the latest race information. Please let us know if any data is wrong or missing, by emailing us.