Race Details
Join us on October 24th for the ISF Monster Mash 5K, a community-based event with a flat, paved, out-and-back route. Costumes encouraged!
- Location: 4455 E Lake Sammamish Pkwy SE, Issaquah, WA, US, 98029
- Date: October 24, 2026
Courses and Prices
- In-Person 5K: $35.00 - $40.00 - $45.00 (5K)
- Virtual 5K: $35.00 - $40.00 - $45.00 (5K)
Every registration receives a technical race tee & medal, free event photos, and raffle tickets!
