Ironman 70.3 Coeur d'Alene

JUN
21
2026
IRONMAN 70.3 Coeur d'Alene is a half distance triathlon in Coeur d'Alene, Idaho, with a 1.2 mile swim in Lake Coeur d'Alene, a 56 mile bike through rolling hills, and a 13.1 mile run along the lake. World Championship qualification is available.
Sun 21 Jun 2026
Swim Run Bike

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IRONMAN 70.3 Coeur d'Alene

IRONMAN 70.3 Coeur d'Alene is a half distance triathlon held in Coeur d'Alene, Idaho. The event takes place on a race weekend date of June 21, 2026 and is located in a walkable lakeside town.

The race comprises three segments:

  • 1.2-mile swim in Lake Coeur d'Alene.
  • 56-mile bike through rolling, hilly Idaho terrain.
  • 13.1-mile run along lakeside paths and past historic lakefront homes.

The venue uses a centrally located single transition area within the town, providing a compact change zone close to local amenities. Average water temperature is listed as 68°F / 20°C. Typical air temperatures for the event are reported as a high of 69°F / 21°C and a low of 46°F / 8°C.

The course information notes scenic lake views and sections of rolling and hilly terrain on the bike. The final stretch of the run descends toward the finish area. The event is identified as offering IRONMAN 70.3 World Championship qualification and has received recognition in athlete surveys for its swim course. Visit the organization's website for the most recent information.

13 mi
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Swim
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