Missouri · Race calendar

Running Races in Saint Charles, Missouri

Upcoming running races in and near Saint Charles, Missouri - 5Ks, 10Ks, half marathons and more, with dates, pricing, finish-time stats, start-line maps, and local run clubs to train with.

3 upcoming races

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Sat, Oct 10, 2026Backyard Ultra in New Town (Oct 10 8:00AM) Saint Charles, MO4.17 Miles2.6 MilesFrom $25Details Sun, Nov 8, 2026MO' Cowbell Marathon/Half-Marathon/10K/5K Saint Charles, MOMarathonHalf Marathon10K5KFrom $56Details Sat, Dec 19, 20262026 Jingle Bell Run Saint Charles, MO5K1 MileFrom $35Details

How we calculate these stats: RunSesh calculates these figures from the most recent published results of past editions, sourced from RunSignup. We show aggregates only: field size, winning and median times, and the cutoff. We never publish individual finisher tables. Last updated Jul 27, 2026.

Common Questions About Racing in Saint Charles

How early should I register for a race in Saint Charles?

2 of the 3 races in Saint Charles already have a price increase scheduled, so entry gets more expensive the longer you leave it. Race pricing almost always steps up as the date approaches, and signing up early is usually the cheapest option.

Where can I train for a race in Saint Charles?

Browse Saint Charles run clubs on RunSesh to find a training group at your pace.