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Idaho > Lewis & Clark Half Marathon & 5K Fun Run
Lewiston, ID  •  Saturday, October 20, 2012  •  Course Map

One of Idaho's smaller running races but also one of its most scenic, the Lewis & Clark Half Marathon & 5K Fun Run saw just over 190 runners cross the finish line at the race's fall 2011 running, 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.

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.

Organized by Lewiston's Seaport Striders running club, the race is open to runners who wish to run the half marathon either as individual participants or as members of two- or three-person relay teams, and the day's events also include a 5K "fun run," which follows an out-and-back course from the starting point at Granite Lake Park to Beachview Park and back.

Race Weather & Climate

Located near the confluence of the Snake and Columbia Rivers in the northern Idaho panhandle, along the state line with Washington, Lewiston typically sees October temperatures that average between 62°F and 41°F, while rainfall totals average just under an inch for the month. On the day of the race (Oct. 20), the average high is 60°F and the average low is 40°F.

Course Map

View the race route map for the Lewis & Clark Half Marathon


$10 for the half marathon (run only), if registered before October 10, 2012
$20 with race t-shirt

$25 after Oct. 10 with race t-shirt ($10 without)


To reserve your spot in the mid-fall 2012 running of Lewiston's Lewis & Clark Half Marathon or 5K fun run, print out and mail in this race entry form.

Official Race Website


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SEE ALSO: 12-, 16- and 20-Week Half Marathon Training Plans
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