Big Backyard 5k 2024 Dates

Big Backyard 5k 2024 Dates. If you have questions about an event, please contact the organizer or race timer. 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.

10k run/walk, 5k run/walk, and 1k kids run. The big backyard 5k/10k is on sunday june 9, 2024.