Cda Ultra 73.2 (Trail of the Coeur D’Alenes)
About this race
The CDA Ultra 73.2 is a two-day endurance Ultra taking place September 10–11, 2027, featuring four race options built around the full, scenic 73.2-mile Trail of the Coeur d’Alenes—from Plummer, Idaho to Mullen, Idaho.
-Friday, September 10th
Bike Race: Take on the complete 73.2-mile course by bicycle—an exhilarating test of speed, stamina, and grit.
Duathlon: A dynamic race combining running and cycling on the same full-length route, designed to challenge athletes across disciplines.
-Saturday, September 11
6 or 12 Man Relay: Team up for the 73.2-mile journey in a fast, strategic relay format—perfect for groups, friends, and organizations looking to conquer the Trail together.
Solo Run Event: An all-in test of endurance as runners take on the full 73.2 miles from start to finish.
All events follow the full 73.2-mile route along the Trail of the Coeur d’Alenes, starting in Plummer, Idaho, and ending in Mullen, Idaho.
Untapped Sports and Fitness EXPO (September 9–12, 2027)
Get energized before race day at the Untapped Sports and Fitness EXPO at the CDA Casino, running September 9–12, 2027. Enjoy:
Vendors and industry partners
Food and community atmosphere
New product launches from Untapped Clothing.
Come for the expo, stay for the racing, and be part of a truly unforgettable endurance experience along the Trail of the Coeur d’Alenes.
Whether you chase a solo milestone, build a relay team, ride the trail, or tackle the duathlon blend, The CDA Ultra 73.2 is your chance to take on a North Idaho classic in a day that feels bigger than the miles.
Pick your distance
Duathlon
CDA Ultra 73.2 Duathlon
CDA Ultra 73.2 duathlon consists of biking and running the entire length of the trail of the Coeur d’Alene’s. You will bike majority of the route and run the last marathon length of the route.
Cycling
CDA Ultra 73.2 Bike
CDA Ultra 73.2 bike offers bike enthusiast and racers the ability to hide the entire trail of the Coeur d’Alene’s from start to finish. An unforgettable race through beautiful his country of North Idaho.
Running
Volunteer
Volunteers for the CDA ultra 73.2 are needed to help at feed stations sign up and finish line. Volunteers are what make the events unforgettable while having a blast helping the race, flow smoothly and being amazing. Get free swag, and perks all while, having the best time!
Relay CDA Ultra 73.2 (6 man teams)
CDA ultra 73.2 relay split up between a six or a 12 man relay Team to run the entire route of the trail of the Coeur d’Alene. An unforgettable event with your running crew that has you wanting to make this race in an annual get together.
Trail running
CDA Ultra 73.2 SOLO
CDA ultra 73.2 solo is one of North Idaho toughest and longest individual races. Run the entire trail of the Coeur d’Alenes for a scenic historic and grueling 73.2 mile long route.
Relay CDA Ultra 73.2 (12 Man Teams)
CDA ultra 73.2 relay split up between a six or a 12 man relay Team to run the entire route of the trail of the Coeur d’Alene. An unforgettable event with your running crew that has you wanting to make this race in an annual get together.
Typical race-day weather
Based on 6 years of Open-Meteo archive data for this event's race dates in Coeur d'Alene, plus the 3 days either side.
The sun rises at 6:17 AM and sets at 7:10 PM local time (PDT) in Coeur d'Alene on September 10, 2027 — 12h 52m of daylight.
Course
No course map published yet.
The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.
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🏃 Plan Your Next Race in Coeur d'Alene
Find upcoming events by distance:
- Coeur d'Alene 5K Races 9 races
- 10K Run Events in Coeur d'Alene 5 races
- Coeur d'Alene Half Marathons 3 races
- Coeur d'Alene Running Calendar 2026 12 races
Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.
- Entries, prices, waves and inclusions — the event's official registration page
- Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
- Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
- Comparisons and counts — Race Discovery calendar, 14 Coeur d'Alene events
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