Corps of Discovery Trail Races
⚠️ 2027 edition: provisional information
The date is estimated from the 2026 edition (August 29, 2026), on the same day of the week. Courses, start times, fees and description are carried over from the previous edition: check them on the official website. This page will be updated as soon as the organizer publishes them.
Available distances
About
The Corps of Discovery Trail Races, organized by the St. Louis Track Club, offer a trail half marathon (13.1 miles / 21.1 km), an 8-mile (12.9 km) and a 5-mile (8 km) race in the Weldon Spring Conservation Area in Saint Charles. All three start at 8:00 a.m. on August 28, 2027.
The course runs alongside the Missouri River and is not closed to traffic. The race is cupless: every runner brings their own water container.
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Races nearby
Other upcoming races around Saint Charles.
Love to Run St. Charles 5k | 10k | Half Marathon | Marathon
Jun 12, 2027 · Saint Charles, MO · 1 mi away
26.2 mi · 13.1 mi · 6.2 mi · 3.1 mi
Jingle Bell Run - St. Louis, MO
Dec 19, 2026 · Saint Charles, MO · 1 mi away
3.1 mi · 1 mi
Mo' Cowbell Marathon
Nov 8, 2026 · Saint Charles, MO · 1 mi away
26.2 mi · 13.1 mi · 6.2 mi · 3.1 mi
Run By Faith 5k
Jun 19, 2027 · Saint Peters, MO · 8 mi away
3.1 mi · 1 mi
Florissant St. Patrick's Day 5K Run
Mar 14, 2027 · Florissant, MO · 9 mi away
3.1 mi · 0 mi
Heart to Heart 5K/10K Run
Jun 5, 2027 · Creve Coeur, MO · 9 mi away
6.2 mi · 3.1 mi