Issaquah Schools Foundation Monster Mash 5K
Registration Open Closing Soon
When is Issaquah Schools Foundation Monster Mash 5K?
Issaquah Schools Foundation Monster Mash 5K takes place on Saturday, October 24, 2026 in Issaquah, WA.
What distances does Issaquah Schools Foundation Monster Mash 5K offer?
Issaquah Schools Foundation Monster Mash 5K offers 3 events: In-Person 5K (No T-Shirt), Virtual 5K, In-Person 5K.
| Event | Distance | Price | |
|---|---|---|---|
| In-Person 5K (No T-Shirt) | 5.0 km | $40.00 | Register |
| Virtual 5K | 5.0 km | $40.00 | Register |
| In-Person 5K | 5.0 km | $40.00 | Register |
How much does Issaquah Schools Foundation Monster Mash 5K cost?
Registration for Issaquah Schools Foundation Monster Mash 5K starts at $35.00. Prices vary by event distance.
Where is Issaquah Schools Foundation Monster Mash 5K held?
Issaquah Schools Foundation Monster Mash 5K is held in Issaquah, WA at 4455 E Lake Sammamish Pkwy SE.
About Issaquah Schools Foundation Monster Mash 5K
Help us raise a MONSTROUS amount of support for local students on October 24th! ISF Monster Mash 5K is a community-based, family-friendly event that raises funds for programs that serve students attending all 27 ISD schools.
We welcome all-ages and abilities. Convenient onsite parking, phased start times, and a professionally chip-timed course ensure a great experience for all. You’ll appreciate the flat, paved, out-and-back route whether you’re setting a new 5K PR or enjoying a brisk walk together as a family! Bring your creativity – festive costumes are encouraged!
This event sells out every year, so don't wait to register! Every registration submitted by October 11th receives the option of receiving a 2026 Monster Mash technical race tee & medal. Option to waive the shirt (No-Shirt Registration), if wearing monsters isn't your jam - more of your registration fee will go to support students! Registrants are eligible for placement awards, receive free event photos, and raffle tickets for prizes! See below for details.
Swag & Giveaways
Virtual 5K: T-Shirt
In-Person 5K: T-Shirt
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