When in May are most 5K races held?
The busiest weekend in Idaho is May 29 and May 30, with 3 5K races on those two days, and the single busiest day is Saturday, May 29 with 2. Every one of them is on a Saturday or a Sunday.
Race calendar · May 2027 · Idaho
May 2027 5K Races in Idaho
Every 5K in Idaho in May 2027, all 5 of them, sorted by date. Dates, entry fees, finish-time stats from past results, and start-line maps.
5 5K races in May 2027
What the field actually runs
May 5K Races, By the Numbers
43:54Median finish time
19:20Median winning time
291Median field size
4May 5K races with published results
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 Sep 22, 2026.
When in May
The May Race Weekends
5K races do not spread evenly across May. The busiest weekend is May 29 and May 30, with 3 of them.
By the numbers
The Biggest and Longest-Running
The May 5K races that stand out on the numbers: the biggest field, and the longest unbroken run of editions.
May 5K Races by City
Soonest 5K Races in May
5 total Sat, May 1, 2027Kick for Kenya 5K Boise, IDRegistration opens Nov 21From $25Details Sat, May 15, 2027YMCA Famous Idaho Potato Marathon & Fun Runs Boise, IDFrom $30Details Sat, May 29, 2027CDA Marathon Coeur d'Alene, IDFrom $20Details Sat, May 29, 2027Telaya Wine Run 5k Garden City, IDFrom $45Details Sun, May 30, 2027Indian Creek Wine Run 5k Kuna, IDFrom $30Details
Common Questions About Running a May 5K in Idaho
When should I sign up for a May 5K?
As early as you can. 4 of these May 5K races already have a price increase on the calendar, and 4 are open for entry right now. Another 1 have published an opening date and have not opened yet.
How much does a May 5K cost to enter?
The typical entry is $30, with paid entries running from $20 up to $45. Entry fees climb as race day gets closer, so the same race is usually cheapest the week it opens.
What is a good 5K time?
Across the 4 of these May 5K races with published results from past editions, the median finisher ran 43:54, and the median winning time was 19:20. So anything under 43:54 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 291 runners, across the 4 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 1:47:13.
5K Races in Other Months
April and June sit either side of May, which is where most people look next when a date does not fit.