Corps of Discovery Half Marathon, 8 Mile & 5 Mile
Saint Charles, Missouri, United States
Aug, 2027 (TBD)
8mi, 8k/5mi, Half-marathon
Race Information
The half-marathon course covers approximately 13.1 miles and begin from the Lewis & Clark trailhead in the Weldon Spring Conservation Area off Hwy 94 in Defiance, MO. Half marathon participants will first run the 8-mile Lewis Trail and then the 5-mile Clark Trail. The course will travel counter-clockwise and will not be closed to outside use. There will be markings along the course and a volunteer where the trails split. The 5-mile distance will cover one loop of the Clark trail and the 8-mile option will cover one loop of the Lewis trail. The trail winds itself along the bluffs of the Missouri River down the hardwood-lined ridges and into the hollows so all participants will have something to enjoy.
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👍 Run Pick of the Month: SKECHERS Hot Chocolate Run - St. Louis
📍St. Louis - Sunday December 6, 2026
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😄 Why We Like This Run
✅ Exclusive SKECHERS Hot Chocolate Run Fleece
✅ Chocolate Fondue Finisher’s Mug
✅ Free Race Photos
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Race Facts
Race Size: 100 - 500
Elevation: Lots of Hills
Course Type: Trail
Boston Qualifier: No
Kids Run: No
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