Compete in IRONMAN 70.3 Coeur d'Alene with a scenic swim in Lake Coeur d'Alene, a challenging bike through rolling hills, and a run along beautiful lakeside paths.
On race day, athletes and spectators will appreciate the centrally located single transition at Coeur d'Alene City Park. The race features a 1.2-mile swim in pristine Lake Coeur d’Alene, a 56-mile ride through scenic Idaho terrain, and a 13.1-mile run past historic lakefront homes with an award-winning finish line in downtown Coeur d'Alene.
Athletes registering under the Flex90 Early Entry offer gain access to fee-free transfers and partial refunds if plans change when registering early.
With Flex90, IRONMAN’s First 90 Days Registration offer, athletes can adjust their race date if plans change. Available benefits include fee-free transfer and partial refund when registering on or before December 16, 2026.
Swim: 1.2-mile counter-clockwise single-loop swim in Lake Coeur d'Alene starting at City Beach and returning to Coeur d'Alene City Park. Bike: 56-mile hilly bike course taking athletes around the north and west sides of Lake Coeur d'Alene, passing near transition 3 times. Run: 13.1-mile two-loop rolling run course through historic neighborhoods and along Lake Coeur d'Alene, finishing in downtown Coeur d'Alene.
The beautiful swim course at IRONMAN 70.3 Coeur d’Alene takes place in Lake Coeur d’Alene, a 50-square-mile freshwater lake in Northern Idaho. From the starting chute, athletes will swim 1.2 miles in a counter-clockwise direction, heading south and returning north, back to a centralized transition at Coeur d’Alene City Park.
After your swim in Lake Coeur d’Alene, you’ll tackle the 56-mile ride through challenging yet scenic Idaho terrain. This course takes you around the north and west sides of the lake, offering sparkling views, wide roads, and beautiful scenery. Your support crew will love to cheer you on from the hot corner near transition as you pass by 3 times before starting the run!
The IRONMAN 70.3 Coeur d’Alene run course is a tour of historic homes, offbeat spectators, lakeside scenery, and so much more. After your bike, you’ll embark on a 13.1-mile run through historic neighborhoods and along Lake Coeur d’Alene. Spectators line this two-loop course, and you may even catch an earful of a live band as you run by. The run course culminates at an award-winning finish line in downtown Coeur d’Alene!
Coeur d'Alene is a lakeside city in northern Idaho, on Lake Coeur d'Alene, surrounded by forested mountains, and known for hosting IRONMAN Coeur d'Alene. The climate is continental: summers (June to August) are warm and dry, autumn is cool and colourful, winters (December to February) are cold and snowy, and spring is cool and wet. Summer is the best time to race, with the lake cold even in the warmest weeks. It is reached from Spokane airport, about 45 minutes away.
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Yes. A two-person relay can complete the race with any combination of disciplines. Relay teams may later add a third person if they wish.
No. Only the run leg relay participant can cross the finish line. The Competition Rules state that only the relay runner can cross the finish line; if the other team members cross the finish line with the runner, the team would receive a disqualification. All other relay participants will be able to access post-race finish line athlete areas, not including the finish line secure zone.
No. Team members are only allowed to compete on one relay team.
All relay team members must have a photo I.D. If you are not yet registered to a team, you will need to do so at the Solutions table within athlete check-in to race with your relay team. Please bring a credit card to make the USAT one-day license payment if you are not already a USAT member.
Contact the event email address to make any relay team member changes. Please provide the details of which team member you wish to cancel and provide the full name and email address of the new team member.
Yes. All teams MUST arrive together for Athlete Check-In to ensure that all the materials are accounted for. During Athlete Check-In, athletes will be required to sign their own individual waivers.
Relay captains are eligible for a partial refund of the registration fee. Please review the withdrawal policy to reference the partial refund options.
No. The relay team will receive one timing chip at bike check-in. The timing chip acts as a “baton” and team members must hand-off the timing strap/chip to move forward to the next discipline.
No. Relay team members can be comprised of a mix of gender and age. *All participants must be 18 years of age on race day.
No. Failure to complete the swim or bike course within the time constraints will result as a DNF of the entire team.
The runner will collect all 3 finisher medals and hats for the entire relay team.
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