Celebrate 10 years of the BBY5K with us!


Spring is in full swing and that means one of our favorite family friendly events is coming up! The Big Backyard 5K presented by Kaiser Permanente is happening on Sunday, June 2 at King County’s Marymoor Park. And this year is a very special year as we are celebrating our 10th annual event, which has…

CHOMP! is less than a month away!


Enjoy a full day of activities at CHOMP!, King County’s celebration of local farming, food, and sustainability, on Saturday, Aug. 18 at King County’s Marymoor Park. Join King County Parks as we celebrate all that is fresh, delicious, local, and sustainable at CHOMP!  from 10 a.m. to 6 p.m. on Saturday, Aug. 18 in the Willowmoor Farm area of…

Marymoor South play area is OPEN!


I know it’s hard to believe, but Marymoor Park just got a little bit awesomer. We’re delighted to announce that the southern play area at Marymoor Park (located right outside of the concert venue) is now open! There’s equipment for littles and bigs alike and is a climbing kiddo’s dream: lots of things to go…

Big Backyard 5K 2018 in photos


  Thank you to all of our participants and partners for your support. Your involvement helps make your King County parks a better place. We appreciate your involvement and thank you for making Your Big Backyard that much more awesome. See you next year for the 10-year anniversary of BBY5K! More photos on our Flickr…