Big Backyard 5K Festival, benefiting King County Parks




  • LIVE Event 1 - Connector Trail, King County's Marymoor Park, Redmond on Sunday, June 6, 2021 at 9:00 AM
    Capped at 300 - register today!

    » $30.00 Registration (includes your BBY5K Tee and Bib #) (through 6/2 at 11:59 PM US/Pacific)
    » $40.00 Hoodie Registration (includes BBY5K Harborstone Hoodie, BBY5K Tee and Bib #) (through 6/2 at 11:59 PM US/Pacific)
    » $20.00 Youth Rate (14 & Under, includes BBY5K Tee and Bib #) (through 6/2 at 11:59 PM US/Pacific)
    Register for LIVE Event 1


  • LIVE Event 2 - Snoqualmie Valley Trail, King County's Tolt MacDonald Park, Carnation on Sunday, June 13, 2021 at 9:00 AM
    Capped at 300 - register today!

    » $30.00 Registration (includes your BBY5K Tee and Bib #) (through 6/9 at 11:59 PM US/Pacific)
    » $40.00 Hoodie Registration (includes BBY5K Harborstone Hoodie, BBY5K Tee and Bib #) (through 6/9 at 11:59 PM US/Pacific)
    » $20.00 Youth Rate (14 & Under, includes BBY5K Tee and Bib #) (through 6/2 at 11:59 PM US/Pacific)
    Register for LIVE Event 2


  • LIVE Event 3 - Green to Cedar River Trail, Lake Wilderness Park, Maple Valley on Sunday, June 20, 2021 at 9:00 AM
    Capped at 300 - register today!

    » $30.00 Registration (includes your BBY5K Tee and Bib #) (through 6/16 at 11:59 PM US/Pacific)
    » $40.00 Hoodie Registration (includes BBY5K Harborstone Hoodie, BBY5K Tee and Bib #) (through 6/16 at 11:59 PM US/Pacific)
    » $20.00 Youth Rate (14 & Under, includes BBY5K Tee and Bib #) (through 6/2 at 11:59 PM US/Pacific)
    Register for LIVE Event 3


  • Virtual Event
    Run Anywhere, Anytime!

    » $30.00 Youth Rate (14 & Under, includes BBY5K Tee and Bib #) (through 6/18 at 11:59 PM US/Pacific)
    » $40.00 Registration (includes your BBY5K Tee and Bib #) (through 6/19 at 11:59 PM US/Pacific)
    » $50.00 Hoodie Registration (includes BBY5K Harborstone Hoodie, BBY5K Tee and Bib #) (through 6/19 at 11:59 PM US/Pacific)

    We are offering the Virtual component to provide more opportunities for participation. Run your 5K Virtually from anywhere! Shipping fees are included. Select Standard Registration, Youth, or BBY Harborstone Hoodie Registration. You will be emailed a link to report your time with your confirmation email. Submit your results to us anytime between June 6 to 20. Apps such as Strava, Garmin, MapMyRun, etc. are appreciated, but we will also take your time based on the honors system.

    Submit Your Time Register for the Virtual Event


  • Donation Only
    Benefiting King County Parks

    » donate any amount
    Donation Only




* Click here for fee information

Connect with others about this event and see who's going!


Start a Team!

Sign up with your friends and running buddies (LIVE or Virtually)! We will take the combined time of your Fastest 5 finishers (LIVE or Virtual) to calculate Team Awards. Sign-up as many team members as you want and improve your odds of winning. Have your Team Captain contact us with your Team Name. Individual members will select your Team Name from the Pull-Down Menu in the Team Registration field.

Team captains can look up their team members here

Event Schedule

8:00 AM 11:00 AM EACH SUNDAY
We have three hours for participants to complete your LIVE 5K. START Waves go every three (3) minutes.

  • Review the route in advance, and know the course!
  • Remain socially distanced as you approach the Check-In Tent.
  • Remain socially distanced as you approach the START Corral.
  • Listen for instructions.
  • Only 5 people in the START Corral at a time.
  • Waves go off every 3 minutes.

Parking

FREE PARKING for race participants in the Triangle Lot just East of the Start/Finish Line by Climbing Rock and Velodrome

Questions?

For event-related questions, please click on the Contact the Organizers button on the left-hand side of this page.


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  • When this page loaded, the official time was 8:56:21 PM EDT.