Monster Mash 5K

Saturday, October 29, 2022 in Issaquah, WA at 4455 E Lake Sammamish Pkwy SE, Issaquah, WA 98029


  • 5K at 10:00 AM

    » $40.00 registration (Includes T-Shirt & Medal) (through 10/9 at 8:59 PM US/Pacific)
    » $45.00 registration (T-Shirt & Medal NOT Guaranteed) (10/9 at 8:59 PM US/Pacific through 10/26 at 8:59 PM US/Pacific)
    5K Registration


  • Virtual 5K at 10:00 AM

    » $40.00 registration (Includes T-Shirt & Medal) (through 10/9 at 8:59 PM US/Pacific)
    » $45.00 registration (T-Shirt & Medal NOT Guaranteed) (10/9 at 8:59 PM US/Pacific through 10/26 at 8:59 PM US/Pacific)
    Virtual 5K Registration



* Click here for fee information

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Parking

There is parking available onsite at the Lake Sammamish Boat Launch, adjacent to the Start/Finish line. WA State parks require a Discover Pass. If you do not already have a Discover Pass, you may purchase a day pass for $10 at an onsite parking kiosk. Alternatively, you may pre-purchase a Discover Day Pass for $10 and we will include this pass in your registration packet, which will be available for early pick up on 10/28 if you wish. There is also overflow parking .75 mi away at the ISD Admin building parking lot.

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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