2027 Seattle Spartan Trifecta Weekend is an obstacle course race that takes place over 18–19 September 2027 at Meadow Wood Equestrian Center, Monroe, WA, United States. It is part of the SPARTAN World Series. Race formats include Sprint (5km, 20 obstacles), Super (10km, 25 obstacles) and Beast (21km, 30 obstacles). The event is organised by Spartan Race. Visit the official event website for full details and registration.

Listing only: ToughASIA is not the organiser of this event. Please refer to the official event website for registration and details. Organisers may contact us to update or remove this listing.