- Club Northwest
 - Seattle - Contains information about events, results, and membership. - Eastside Runners
- Redmond
- Mercer Island Rotary Half Marathon
- Mercer Island - Run the Rock at this annual long distance running event held in March to benefit colon cancer awareness and Rotary charities. Find event information, registration, results, and information about supported causes.
- Mt. Si Relay & UltraRun
- Snoqualmie - Annual 56 mile, 10 leg relay race, along with a 50 mile ultrarun, starting and finishing at Mt. Si High School.
- ontherun.com
- Seattle - Long distance running and racing news from the Puget Sound area.
- Seattle Frontrunners
- Seattle - Gay and lesbian running and walking club.
- Seattle Marathon
- Seattle - Held annually.
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