Black Diamond Triathlon

Sat August 14, 2021 Enumclaw, WA 98022 US Directions
36921 Veazie Cumberland Road
Enumclaw, WA US 98022

Long Course Triathlon - 70.3
1.2 mile swim, 56 mile bike, 13.1 mile run

Olympic Triathlon

1.5k swim, 40k bike, 10k run

Sprint Triathlon
.5 mile swim, 13.7 mile bike, 2.8 mile run

For all the nitty gritty details, visit our official race website Here


Get ready to jump into the Black Diamond Long Course Triathlon, Olympic,  or Sprint race in the beautiful Cascade Foothills of Western Washington.


Triathletes will swim in picture perfect Deep Lake at Nolte State Park followed by a rolling, elevation-friendly bike course winding through the sleepy communities of Ravensdale, Selleck, and the farmlands of Enumclaw.


All participants will receive a medal, race tee, and post race food.


Sign up now for RTB's one and only race of the 2021 season


For many more details visit our official race website at


Race Contact Info
If you have any questions about this race, please contact the race director at

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