Ironman 70.3 Coeur d'Alene

JUN
21
2026
IRONMAN 70.3 Coeur d'Alene on June 21, 2026 features a 1.2 mile swim in Lake Coeur d'Alene, a 56 mile bike through rolling hills, and a 13.1 mile run along lakeside paths.
Sun 21 Jun 2026
Swim Run Bike

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IRONMAN 70.3 Coeur d'Alene

IRONMAN 70.3 Coeur d'Alene is scheduled for June 21, 2026 in Coeur d'Alene, Idaho, United States. The event is a half distance triathlon that stages its swim in Lake Coeur d'Alene, a bike on rolling, hilly Idaho terrain, and a run along lakeside paths that pass historic lakefront homes. The race uses a single, centrally located transition area in a walkable town.

Distances:

  • 1.2 mile swim
  • 56 mile bike
  • 13.1 mile run

Reported typical conditions include an average water temperature of 68 °F (20 °C) and air temperatures ranging from about 46 °F (8 °C) at the low end to 69 °F (21 °C) at the high end. The event offers qualification opportunities for the IRONMAN 70.3 World Championship. In post-event athlete surveys IRONMAN 70.3 Coeur d'Alene was voted the number one swim course both globally and in North America.

The host town is described as a lakeside community with walkable amenities, accommodations, and dining. The course layout and the single transition keep athlete movement concentrated near the town center. Visit the organization's website for the most recent information.

13 mi
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