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Enjoy a festival, join a fun run, tour an interpretive site, or just make your own celebration with a family picnic or camping trip. Choose from dozens of activities and events throughout the year. You can submit your state park event via email to get it placed on the calendar. The Discover Pass is required for vehicle access to Washington state parks and state-managed recreation lands. For more information, visit the Discover Pass website.

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Event Details

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Date:
October 28, 2023
Time:
7:00 AM - 12:00 PM
Location:
Lake Sammamish State Park
Address:
2010 N.W. Sammamish Road
Issaquah, WA 98027
MOnstermash
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Issaquah Schools Foundation "Monster Mash" 5K Fun Run

Saturday, October 28, 2023

Issaquah Schools Foundation 5k Monster Mash Run

5k Monster Mash Run 2023

Help Us Raise a Monstrous Amount of Support for Local Students! Join us Saturday, October 28th, for the Issaquah Schools Foundation Monster Mash 5K! Hosted at Lake Sammamish State Park Boat Launch and the East Lake Sammamish Trail, this professionally chip-timed 5K route is perfect for taking in the colors and spirit of fall!

Phased start waves are offered to welcome participants at all activity levels, whether you are an elite runner looking to PR, a fully costumed casual walker, or somewhere in between. 

Free onsite parking is available near the Start/Finish line with a valid WA State Parks Discover Pass with free overflow parking about .75 mile away.
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