When in May are most 10K races held?
The busiest weekend in Idaho is May 29 and May 30, with 3 of them, 2 of those on Sunday, May 30. One more falls on a weekday, which is worth knowing if you are traveling for it.
Race calendar · May 2027 · Idaho
10K Races in Idaho in May 2027
Every 10K in Idaho in May 2027, all 6 of them, sorted by date. Dates, entry fees, finish-time stats from past results, and start-line maps.
What the field actually runs
May 10K Races, By the Numbers
1:08:23Median finish time
41:10Median winning time
144Median field size
4May 10K 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 Nov 12, 2026.
When in May
The May Race Weekends
10K 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.
By the numbers
The Biggest Field
The largest field of any May 10K in Idaho, from the most recent published results.
Idaho 10K Races by City in May
All 10K Runs in Idaho in May
6 total Sat, May 8, 2027Long Bridge Half-Marathon Sandpoint, IDFrom $34Details Sat, May 15, 2027YMCA Famous Idaho Potato Marathon & Fun Runs Boise, IDFrom $35Details Mon, May 24, 2027Memorial Day 5K/10K/15K - Boise Boise, IDFrom $35Details Sat, May 29, 2027Redfish Lake Lodge Memorial Weekend Run Stanley, IDRegistration opens Nov 26From $60Details Sun, May 30, 2027CDA Marathon Coeur d'Alene, IDFrom $55Details Sun, May 30, 2027Priest Lake Spring Fun Run Coolin, IDFrom $34Details
Common Questions About Running a May 10K in Idaho
What is a good 10K time?
Across the 4 of these May 10K races with published results from past editions, the median finisher ran 1:08:23, and the median winning time was 41:10. So anything under 1:08:23 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 10K field?
The median one finished 144 runners, across the 4 of these May 10K 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 2:19:41.