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 May
The May Race Weekends
5K races are not spread evenly across May. 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.
May 1 - May 28
May 8 - May 92
May 15 - May 165
May 22 - May 233
May 29 - May 303
By the numbers
The Biggest Field
The largest field of any May 5K in South Carolina, from the most recent published results.
Common Questions About Running a May 5K in South Carolina
When in May are most 5K races held?
The busiest weekend in South Carolina is May 1 and May 2, with 8 of them, 7 of those on Saturday, May 1. Every one of them is on a Saturday or a Sunday.
What is a good 5K time?
Across the 14 of these May 5K races with published results from past editions, the median finisher ran 36:10, and the median winning time was 18:49. So anything under 36:10 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 May 5K field?
The median one finished 207 runners, across the 14 of these May 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 1:07:28.
Are there trail 5K races in South Carolina in May?
Yes, one race around South Carolina gets you off the pavement: 1 mixes road and trail.