Monster Mash 5K - Issaquah

OCT

24

2026

A community 5K in Issaquah on October 24, 2026 that raises funds for programs serving all 27 ISD schools. The flat, paved out and back route is chip timed and family friendly, with costumes encouraged and participant tees and medals included.

Sat 24 Oct 2026

Issaquah, Washington

Website

5 kilometers

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Issaquah Schools Foundation Monster Mash 5K

The Issaquah Schools Foundation Monster Mash 5K takes place on October 24, 2026, at 4455 E Lake Sammamish Pkwy SE in Issaquah, Washington. The event supports programs that serve students attending all 27 Issaquah School District schools.

The main offerings include an in-person 5K and a virtual 5K. The entry fee is $35 and includes a technical race tee and a medal. Virtual entries require pick-up at ISF for race materials. Organizers provide convenient onsite parking, phased start times, and a professionally chip timed course. Placement awards are presented for the fastest finishing times.

The course is flat, paved, and follows an out and back layout. The event is described as community based and family friendly, welcoming all ages and abilities. Free event photos and raffle tickets for prizes are provided to registrants. Festive costumes are encouraged.

The event typically sells out each year. Timing, registration windows, prize details, and material pick-up procedures are specified by the organizer. Visit the organization's website for the most recent information.

5 km

in-Person 5k