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 Nov 12, 2026.
When in April
The April Race Weekends
5K races are not spread evenly across April. Here is how the calendar actually falls, weekend by weekend, which is the part worth knowing before you book a trip or plan a taper around one.
Apr 3 - Apr 42
Apr 10 - Apr 116
Apr 17 - Apr 1812
Apr 24 - Apr 254
By the numbers
The Biggest Field
The largest field of any April 5K in Missouri, from the most recent published results.
Common Questions About Running an April 5K in Missouri
When in April are most 5K races held?
The busiest weekend in Missouri is April 17 and April 18, with 12 of them, 9 of those on Saturday, April 17. Every one of them is on a Saturday or a Sunday.
What is a good 5K time?
Across the 10 of these April 5K races with published results from past editions, the median finisher ran 38:53, and the median winning time was 19:11. So anything under 38:53 puts you in the faster half of a typical field. That is the middle of these RunSignup fields, walkers and charity entrants included, not a national average.
How big is a typical April 5K field?
The median one finished 209 runners, across the 10 of these April 5K races with published results from past editions. Most are far smaller than the big-city events people picture, which means less crowding at the start and a friendlier field, with a last recorded finisher at 1:19:50.