Beat the Blerch Half Marathon
Beat the Blerch Half Marathon mixes playful race-day theming with a flat gravel out-and-back through mossy forest along the Snoqualmie Valley Trail.
Every link above goes to the race, its timing provider, or an official registration partner. Last checked July 23, 2026.
Quick facts
- Saturday race on September 12, 2026
- Flat gravel out-and-back
- Snoqualmie Valley Trail
- Wave-based half-marathon start
2026 Beat the Blerch Half Marathon registration
Registration for the 2026 Beat the Blerch Half Marathon runs through the official registration page at runsignup.com.
About the Beat the Blerch Half Marathon
Wave starts manage a separately entered 13.1-mile field at Tolt-MacDonald Park, where the weekend also offers marathon, 10K and 5K races.
Course
A flat gravel route leaves the park and runs beneath evergreen cover on the Snoqualmie Valley Trail before turning back toward Carnation.
Race-day weather
Mid-September in the valley is often mild, though rain can soften the gravel and cool shaded stretches well below open-road conditions.
Past Beat the Blerch Half Marathon dates and results
| Year | Date | Status | Results |
|---|---|---|---|
| 2026 | Saturday, September 12, 2026 | Upcoming | — |
| 2025 | — | Completed | Open results |
Beat the Blerch Half Marathon FAQ
When is the Beat the Blerch Half Marathon?
The 2026 Beat the Blerch Half Marathon is on Saturday, September 12, 2026.
How do I register for the Beat the Blerch Half Marathon?
Register for the Beat the Blerch Half Marathon through the official registration link: marathonscout.com/go/beat-the-blerch-half-marathon/register. It opens the race registration page at runsignup.com.
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