About This Race

The Monster Mash 5K is a family-friendly, costume-encouraged event that raises funds for programs serving students at all 27 Issaquah School District schools. The flat, paved, out-and-back route is professionally chip-timed and welcomes all ages and abilities. Registration perks include a technical race tee, medal, event photos, and raffle tickets.

Course & Race Day Details

Flat course
Elevation
Flat Course
Road surface
Surface
Road Surface
T-Shirt
Race Swag
In-Person 5K, Virtual 5K: T-Shirt

Awards

Placement awards for the top finishers will be presented.

Charity Beneficiary

Issaquah Schools Foundation

Race Weekend Logistics

Packet Pickup

Early packet pickup at the Issaquah Schools Foundation on Friday, 10/24/25, anytime between 4-7 PM.

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Choose Your Distance

In-Person 5K 5K
Technical Race Tee & Medal Included
$35.00
Increases Sep 18
Register
Virtual 5K 5K
Technical Race Tee & Medal Included. Pick-up at ISF required.
$35.00
Increases Sep 18
Register