Join the fun at the 18th Annual Monster Mad Dash 5K on October 3, 2026!
This fun-filled 5K is more than just a race, it's a community celebration with a purpose. Get ready to lace up your running shoes and don your spookiest costume to benefit children in the Edmonds School District! Form a team, wear your favorite costume, and run, walk or wag across the finish line!
Oct 03, 2026
Distance — 5K
Type — Running
09:00
$35.00
Oct 03, 2026
Distance — 5K
Type — Running
09:00
$35.00
These values represent the 3-year monthly averages for October in Mountlake Terrace.
Learn more about the host city, Mountlake Terrace.
Mountlake Terrace is a suburban city in Snohomish County, Washington, United States. It lies on the southern border of the county, adjacent to Shoreline and Lynnwood, and is 13 miles (21 km) north of Seattle. The city had a population of 21,286 as of the 2020 census.
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