In 331 days · Sat, Sep 4, 2027
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Saturday, September 4th, 2027
30525 S.E. Mud Mountain Rd., Enumclaw WA
Marathon · Half
46–61°F · some rain risk
See last 10 years
On this date: rain 4 of the last 10 years
2025
49–68°F
dry
2024
45–60°F
dry
2023
44–57°F
dry
2022
49–67°F
dry
2021
45–53°F
rain
2020
51–60°F
rain
2019
43–57°F
dry
2018
42–58°F
dry
2017
41–48°F
rain
2016
43–55°F
rain
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Race-day forecast · Saturday, Sep 4
Cloudy · 46–64°F
Saturday, Sep 4starts near 46°F · 0% chance of rain · wind up to 7 mph
About this race
Start Planning Now for Your Next Boston Qualifier!
Take on a beautiful, fully paved downhill course with no tunnel, no dirt, and no BQ downhill penalty.
Full Marathon
The Marathon starts at Mud Mountain Dam, high above the Carbon River at an elevation of approximately 1,400 feet.
From there, runners will follow a fully paved downhill route through picturesque farmland and forest, tracing the scenic Carbon River before finishing at the McMillin Farm Collective at approximately 128 feet.
That's a net elevation loss of about 1,200 feet—a fast, scenic course built for a memorable Boston Qualifier!
Half Marathon
The Half Marathon starts in the scenic town of South Prairie at approximately 467 feet and follows a gradual downhill route along the paved Foothills Rail Trail.
Runners will wind through farmland and forest alongside the Carbon River before finishing at the McMillin Farm Collective, at approximately 128 feet.
The course features a net elevation loss of 339 feet.
A Finish Line Worth Celebrating!
We've got a brand-new finish line just down the road from the McMillin Bridge, and we're making it a destination!
After crossing the finish line, stick around and celebrate with:
Brewhouse
Food trucks
Hot & Cold plunge pools
It's going to be a finish line to remember!
Beautiful course. Fast downhill miles. Fully paved. No tunnel. No dirt. No BQ penalty.
There’s no excuse not to do the dam thing!
Course map
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Run clubs near Enumclaw to train with before race day.
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