When
Sunday, June 7th, 2026
Where
6046 W Lake Sammamish Parkway NE, Redmond WA
Distances
10K · 5K
About this race
Event Overview
The Big Backyard 5K & 10K is an annual fun run and family walk celebrating the numerous King County Parks throughout our neighborhoods, cities, and county.
History and Purpose
- Founded: 2010
- Proceeds: Benefit King County Parks
- Support: Maintenance within the parks and operations of the facilities
- Goal: Keep our parks operating and open year-round!
Impact
Since the event's inception in 2010, more than 13,000 participants have gathered to raise over $80,000 for King County Parks!
Event Details
- Date: June 7, 2026
- Start Time: 9:00am
- Location: 6046 W Lake Sammamish Parkway NE, Redmond, WA
- Join Us: Have fun in YOUR BIG BACKYARD!
Registration Information
For more details and to register, visit the official race page: Big Backyard 5K/10K.
Course map
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