RunRace USA › Washington › Fall - Mud Mountain Dam Marathon & Half Marathon
Fall - Mud Mountain Dam Marathon & Half Marathon
Enumclaw, Washington · Saturday, September 19, 2026 · Marathon, Half Marathon
Official race page & registration ↗- Date
- Saturday, September 19, 2026
- Location
- Enumclaw, Washington
- Distances
- Marathon, Half Marathon
- Surface
- Trail
- Entry fee
- from $70
Listing from the 2026 race calendar, refreshed nightly. Details can change: confirm date and entry on the official race page before travelling. Spot an error? Tell us here.
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See every race on the Washington calendar, or use the Race Finder for maps and filters.