Black Diamond Triathlon
Updated
Saturday, June 26, 2027, first start 9:00 AM, in Enumclaw (36921 Veazie Cumberland Road). Distances: 17 miles, 41.5K. Entry from $89 to $109.
Course and race notes
This is where your story begins.
Welcome to the Black Diamond Triathlon, the official season opener for the 2026 RTB series. Known as The Opener, this is the moment to stop training and start racing.
In the organizer's words, from the race's own listing.
Race details
Date
Saturday, June 26
2027 · in 231 days
Start time
9:00 AM
Earliest wave
Course
Road or path
Paved course
Distances
17 miles41.5K
Price
$89 to $109
Plus the platform's processing fee
No price increase published
Registration
Closed online
Online signup closed Jun 25, 2027
Opened Nov 16, 2026