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 November
The November Race Weekends
5K races are not spread evenly across November. 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.
Nov 14 - Nov 155
Nov 21 - Nov 225
Nov 28 - Nov 291
By the numbers
The Biggest Field
The largest field of any November 5K in Iowa, from the most recent published results.
Common Questions About Running a November 5K in Iowa
When in November are most 5K races held?
The busiest weekend in Iowa is November 14 and November 15, with 5 of them. Another 16 fall on a weekday, which is worth knowing if you are traveling for one.
What is a good 5K time?
Across the 3 of these November 5K races with published results from past editions, the median finisher ran 37:17, and the median winning time was 18:26. So anything under 37:17 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 November 5K field?
The median one finished 249 runners, across the 3 of these November 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 1:07:20.
Are there trail 5K races in Iowa in November?
Yes, one race around Iowa gets you off the pavement: 1 is a trail race.