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10/28/23 West Seattle Monster Dash is a costumed 5k trail run/walk and kids dash that begins at Picnic Shelter #1, near Lincoln Park South Parking Lot, 4699 SW Cloverdale St. in Seattle.
10/28/23 Everett Dodge zombies or be a zombie during $43 The Running Dead 5K at Lowell Riverfront Trailhead. Pick up your packet at Rotary Park, 3505 Lowell Snohomish River Road in Everett.
10/29/23 Green Lake Trick or Treat 5K is a $42 all-ages run at Green Lake Park, 7201 East Green Lake Drive N in Seattle. Costumes are welcome.