Big Backyard 5K
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Race Information
The Big Backyard 5K is a community run/walk showcasing King County Park's regional trails. Proceeds from the BBY5K benefit King County Parks in support of the maintenance and operation of facilities and recreational resources. Bring your friends, kids, and 4-legged running buddy
Run Pick of the Month - Portland Marathon
Run Rose City's signature premier running event with a marathon, half marathon, and 10K, happening October 5, 2025.
Enjoy a course with gorgeous views of Portland's waterfront, several bridge crossings, and a full tour of some of the city's most iconic landmarks!
Runners will score free race photos and highlight videos, event and sponsor swag - including race medals and event shirt, plus food and drinks at the Finish Line Festival, including a complimentary, Oregon-brewed beer (runners 21+ only).
Save 20% on your registration using code "RG20"
Click the button below to get all the details!
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