Race calendar · May 2027 · Idaho

Half Marathons in Idaho in May 2027

Every Half Marathon 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.

5K Races in May10K Races in MayMarathons in Idaho

When in May

The May Race Weekends

Half marathons 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.

  1. May 1 - May 21
  2. May 8 - May 91
  3. May 15 - May 161
  4. May 29 - May 302

By the numbers

The Biggest Field

The largest field of any May Half Marathon in Idaho, from the most recent published results.

Largest field1,117 finishersYMCA Famous Idaho Potato Marathon & Fun Runsin the 5K

Idaho Half Marathons by City in May

Boise 1Coeur d'Alene 1Kellogg 1Sandpoint 1Stanley 1
Open map ↗

All Half Marathons in Idaho in May

5 total
Sat, May 1, 2027WICKED FAST MARATHON & HALF MARATHON IDAHO Kellogg, IDMarathonHalf MarathonFrom $79Details Sat, May 8, 2027Long Bridge Half-Marathon Sandpoint, IDHalf Marathon10K5KFrom $55Details Sat, May 15, 2027YMCA Famous Idaho Potato Marathon & Fun Runs Boise, IDMarathonHalf Marathon10K5KFrom $70Details Sat, May 29, 2027Redfish Lake Lodge Memorial Weekend Run Stanley, ID1 Mile5K10KHalf MarathonRegistration opens Nov 26From $75Details Sun, May 30, 2027CDA Marathon Coeur d'Alene, IDMarathonHalf Marathon10K5KFrom $100Details