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 January
The January Race Weekends
5K races are not spread evenly across January. 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.
Jan 2 - Jan 31
Jan 9 - Jan 101
Jan 16 - Jan 172
Jan 23 - Jan 242
Jan 30 - Jan 312
By the numbers
The Biggest Field
The largest field of any January 5K in Wisconsin, from the most recent published results.
Common Questions About Running a January 5K in Wisconsin
What is a good 5K time?
Across the 3 of these January 5K races with published results from past editions, the median finisher ran 32:34, and the median winning time was 19:50. So anything under 32:34 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 January 5K field?
The median one finished 149 runners, across the 3 of these January 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 1:06:10.