CottonTail 6- & 12-hour
Seattle, Washington, United States
Apr 18, 2026 - Saturday
Other
Video
Race Information
Can you run for one hour, or four hours, or six hours, OR make the day and run for all twelve hours??? Endless Trails will be there all day long to count your laps, cheer you on, and motivate you with stickers and awesome raffle prizes, and they even hide Easter eggs worth bonus raffle "tickets" throughout the day to keep things interesting! This race features tasty homemade soup, pictures from the one and only Glenn Tachiyama, and other great ultra fare until your legs stop wanting to go out on more loops.
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👍 Run Pick of the Month - Snohomish Women's Run
📍 Everett, WA - May 9, 2026
An empowering, inclusive, and unforgettable Pacific Northwest race!
💸 SAVE 10% On Your Entry. Use Code RG10
😄 Why We Like This Run
✅ A women-centered run welcoming all genders and abilities.
✅ Fast and flat courses with aid stations and pace leaders for the half-marathon.
✅ Long-sleeve tech hoodie for every runner and supporting local charities.
Run along the scenic Snohomish River in Washington on flat, fast, and well-supported 5K, 10K, or Half Marathon courses, perfect for personal bests or a motivating day on the run.
Take part in this celebration of strength, community, and movement!
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Race Facts
Race Size: 100 - 500
Course Type: Trail
Boston Qualifier: No
Kids Run: No
Where to Stay
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