Upcoming Marathon Races Near King County, WA in September, 2025

Name: Cascade Express Marathon & Half Marathon
Start: 2025-09-06
End: 2025-09-06
Location: Snoqualmie Pass

Beat the Blerch

Carnation, WA

Saturday, September 6th, 2025

10K

Half

Cascade Express Marathon & Half Marathon

North Bend, WA

Saturday, September 6th, 2025

Marathon

Half

Trail

Fast

Cascade Express Marathon & Half Marathon

Snoqualmie Pass, WA

Saturday, September 6th, 2025

Half

Marathon

Trail

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