Trick or Treat 10k
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About the race
Trick or Treat 5k is an annual in-person running event held at Green Lake Park in Seattle, WA (address: 7210 E Green Lake Dr N, Seattle 98115). The day offers a Run or Walk 5k option, described as a family-friendly, Halloween-themed experience that is “ghoulishly fun” and “spooktacular,” suitable for all ages and fitness levels. A standout feature is the free kids’ entries—no bib, no medal, just the race untimed—encouraging broad participation.
Registration is managed online via RunSignup. It remains a seasonal Halloween favorite, with participants encouraged to bring costumes and enjoy the festive atmosphere near Green Lake. Registration is handled online through RunSignup.
It accommodates runners, walkers, and families. Visit the organization's website for the most recent information.