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Issaquah Schools Foundation Monster Mash 5K

Races
United States
Washington
Seattle, WA
Issaquah Schools Foundation Monster Mash 5K

5K Road Road 5K Flat Road City Road

Issaquah Schools Foundation Monster Mash 5K

Saturday, October 24, 2026Issaquah, WA5K

Join the community for the ISF Monster Mash 5K on October 24th to support local students across all 27 ISD schools. This family-friendly event features a flat, paved, out-and-back course that is perfect for both competitive runners chasing a PR and families enjoying a brisk walk. Participants are encouraged to embrace the spirit of the season by wearing festive costumes. With phased start times and professional chip timing, the race is designed to provide a smooth experience for all ages and abilities. Be sure to register early, as this popular event sells out every year. Early registrants rec...

Race

Surface

Road

Terrain

Flat

Layout

Out & Back

Area

City

Frequently asked questions

Location

4455 E Lake Sammamish Pkwy SE

Issaquah, WA 98029

Not affiliated with this event. Official website. We may earn a commission on registrations.

Oct 2410:00 AM

Shirt

$35

$40 after Sep 18

Oct 2410:00 AM

Shirt

$35

$40 after Sep 18

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