Running Races in Saint Charles, Missouri 2026 | Browse All Races

There are 4 running races in Saint Charles, Missouri in 2026. The next is the Corps of Discovery Trail Races on August 29. Distances include 5K races, marathons, trail runs.

Corps of Discovery Trail Races

Sat, Aug 29 · Saint Charles, MO Saint Charles

Trail 5 MileHalf Marathon8 Mile

From $55 Open

Backyard Ultra in New Town (Oct 10 8:00AM)

Sat, Oct 10 · Saint Charles, MO Saint Charles

Road First Annual 2.6 Mile Ruck Backyard Marathon at NewTown2nd Annual Backyard Ultra Marathon at NewTown

From $25 Open

MO' Cowbell Marathon/Half-Marathon/10K/5K

Sun, Nov 8 · Saint Charles, MO Saint Charles

Virtual 5KVirtual 5K10K +5

From $35 Open Closing Soon

2026 Jingle Bell Run - St. Louis, MO

Sat, Dec 19 · Saint Charles, MO Saint Charles

Virtual 1 Mile5K TimedVirtual Jingler +2

From $35 Open

Running Races in Saint Charles, Missouri — 2026

Corps of Discovery Trail Races

Backyard Ultra in New Town (Oct 10 8:00AM)

MO' Cowbell Marathon/Half-Marathon/10K/5K

2026 Jingle Bell Run - St. Louis, MO

All Missouri Races