In 3307 days · Sun, Oct 28, 2035
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Sunday, October 28th, 2035
23089 SE Fir St, Black Diamond WA
5K
41–55°F · rain likely
See last 10 years
On this date: rain 5 of the last 10 years
2025
35–55°F
rain
2024
43–52°F
rain
2023
28–49°F
dry
2022
47–56°F
rain
2021
46–60°F
rain
2020
40–59°F
dry
2019
28–50°F
dry
2018
47–55°F
rain
2017
48–66°F
dry
2016
44–62°F
dry
Best months to race in Washington →
Race-day forecast says layers
41°F at the start.
Gloves, ear warmers, throwaway layers, hand warmers — delivered before race day.
About this race
Join the Club!
Get Moving with the Ten Trails Active Club!
Whether you’re just starting out or a seasoned runner, the Ten Trails Active Club in Black Diamond brings together a fun, welcoming community of walkers, joggers, and runners of all abilities. From our 5K Training Program that help beginners build confidence, to themed 5K events like the Heartfelt Hustle and Turkey Trot, there’s always an opportunity to lace up and get active with friends.
Join our weekly group runs at Civic Park and be part of a supportive local crew that’s all about health, connection, and having a great time on the trails!
Official Activities Calendar can be found here: Events Calendar
Course map
Train with a club
Run clubs near Black Diamond to train with before race day.
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