# Running Races in Saint Charles, MO (2026)

> 4 upcoming races in and around Saint Charles, Missouri.

- **Page:** https://runthis.run/races/missouri/saint-charles

## Races

- **[Corps of Discovery Trail Races](https://runthis.run/event/rs-108626-corps-of-discovery-trail-races)** — Sat, Aug 29, 2026 · 12:00 AM UTC · Saint Charles, MO · Marathon / 8.0 mi / 5.0 mi
- **[Backyard Ultra in New Town (Oct 10 8:00AM)](https://runthis.run/event/rs-190255-backyard-ultra-in-new-town-oct-10-8-00am)** — Sat, Oct 10, 2026 · 12:00 AM UTC · Saint Charles, MO · 4.2 mi / 2.6 mi
- **[MO' Cowbell Marathon/Half-Marathon/10K/5K](https://runthis.run/event/rs-83867-mo-cowbell-marathon-half-marathon-10k-5k)** — Sun, Nov 8, 2026 · 12:00 AM UTC · Saint Charles, MO · Marathon / 10K / 5K
- **[2026 Jingle Bell Run - St. Louis, MO](https://runthis.run/event/rs-136287-2026-jingle-bell-run-st-louis-mo)** — Sat, Dec 19, 2026 · 12:00 AM UTC · Saint Charles, MO · 5K / 1 mile

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Source: [https://runthis.run/races/missouri/saint-charles](https://runthis.run/races/missouri/saint-charles) — data from Run This (runthis.run).