Where can I train for a Half Marathon in St. Charles?
Browse St. Charles run clubs on RunSesh to find a training group at your pace.
Missouri · Half Marathon
2026-2027 Half Marathons in St. Charles, Missouri
Every upcoming Half Marathon around St. Charles, with start times, entry fees, finish-time stats from past editions, start-line maps, and the local run clubs to train with.
3 upcoming half marathons found · 1 with finish-time stats
By the numbers
The Biggest and Longest-Running
The St. Charles races that stand out on the numbers: the biggest field, and the longest unbroken run of editions.
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 Oct 22, 2026.