The Tenacious Ten
Seattle, Washington, United States
Apr, 2027 (TBD)
10k, 10mi
Video
Race Information
Are you ready for the ultimate running experience in the heart of Seattle? Enjoy the thrill of a Fast Run Around Lake Union in Seattle! Lace-up your running shoes and prepare to embark on a fast-paced adventure around Lake Union! The Run Super Series' is now hosting - the most exhilarating running event in Seattle! The Tenacious 10!
Toe the starting line with the stunning Seattle skyline as your backdrop for your fast run, designed for runners who crave speed and want to push their limits. The routes will take you through some of Seattle's most iconic landmarks, including Gas Works Park, South Lake Union Park, and the famous Fremont Bridge. But it's not just about the beautiful surroundings and the electric atmosphere β we've also enlisted top-notch race organizers to create an unforgettable experience. With well-marked routes, professional timing, and ample hydration stations along the course, you can focus solely on achieving your personal best. Join us on our next Run Super Series' Fast Run Around Lake Union, and you'll receive more than just a race experience. Each participant will receive an exclusive event t-shirt and a finisher's medal to commemorate their accomplishment proudly.
π Run Pick of the Month - B&O Half Marathon
π Orting, WA - July 19, 2026
Experience summer running in the PNW!
πΈ SAVE 10% On Your Entry. Use Code RG10
π Why We Like This Run
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Point-to-point net downhill half marathon and a flat 10K
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Stunning Mount Rainier views
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Finisher's shirt and custom medal
The B&O Half Marathon delivers a high-speed Pacific Northwest race experience with a net downhill course built for PRs and a flat, fast 10K to match.
Running along a smooth rails-to-trails path beneath Mount Rainier, this event combines scenic beauty, effortless miles, and a fun, relaxed finish-line vibe with treats and a welcoming community feel!
π Training for This Race?
Get a personalized training plan that adapts for every run. RunDot analyzes every run and automatically adjusts your training plan.
π 2 weeks free for RunGuides runners
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Race Facts
Race Size: 1,000 - 5,000
Elevation: Fast and Flat
Course Type: Road
Boston Qualifier: No
Kids Run: No
Where to Stay
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