Info
This event is not run by Seattle Triathlon Group
For full information and to register, please visit the official site at https://register.pacificmultisports.com/Events/1333/Register
Race
Date: September 19, 2026
Distances:
- Sprint
- Olympic
- Aquabike
- 10K
Info
Member Discount Available! We've secured a discount available
exclusively to our paid members - log in or join as a paid member to access!
Building on the success of our inaugural Olympic, Olympic Relay, and Sprint Triathlons, Chelanathon 2026 is expanding the race lineup to include an Aqua-Bike, 10k run and Kids Splash & Dash.
Whether you’re chasing a PR, racing with friends, or just looking to soak up the Lake Chelan views, there’s a perfect distance waiting for you. From first-timers to seasoned athletes, every course captures the same community spirit, local support, and lakeside energy that made our 2025 event unforgettable.
Pick your distance, set your goal, and get ready for a race to remember.
Who's Going
This list is unofficial! Seattle Triathlon Group members indicating they're
interested in this event are included here, but not everyone on this list may have actually registered for the
event. The event's official website is authoritative.