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.
Quick facts
- Flat gravel out-and-back
- Snoqualmie Valley Trail
- Wave-based half-marathon start
- Tolt-MacDonald Park base under evergreen cover
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 | Results available | Open results |
| 2025 | — | Results available | Open results |
Your race experience
Ran the 2026 Beat the Blerch Half Marathon?
Share what helped you on race day: the course, transport, aid stations or finish area.
Beat the Blerch Half Marathon FAQ
When is the Beat the Blerch Half Marathon?
We're waiting for the finalized date for the 2027 Beat the Blerch Half Marathon. The most recent running was on Saturday, September 12, 2026.
Featured collections
Found an official update?Send race details or links
Send us confirmed dates, registration links, results, live tracking, or course changes. Include the source link so runners can reach the right information.