03Apr
Tenacious 10 mile run
Running
- Distance
- 16.1K
- Start time
- 08:00
- Entry fee
- 0.00
Tenacious 10
Seattle,
Washington,
United States
142 days left
runsignup.com
Tenacious 10
About the event
Spring has never felt this good.
Join hundreds of runners for Seattle’s most iconic 10K and 10-mile loop around Lake Union. This isn’t just a run—it’s a celebration of everything that makes our city incredible.
Start and finish at Gas Works Park. Cruise past Lake Union Park. Wave to the Space Needle. Conquer the Fremont Bridge.
Chase a PR, run with friends, or just soak it all in—this is one of Seattle’s most scenic and energizing race experiences.
⸻
Why You’ll Love It
• Flat, fast, and scenic Lake Union course
• Chip timing with mile splits and live tracking
• Printed finisher cards
• Long sleeve shirt + finisher medal
• FREE professional race photos
⸻
The Experience
Cross the finish line, grab your medal, and celebrate with your crew.
The pain fades. The photos last forever. The bragging rights? Those are eternal.
Races offered
03Apr
Tenacious 10k run
Running
- Distance
- 10K
- Start time
- 08:15
- Entry fee
- 0.00
Weather history
3-year monthly averages for April in Seattle.
Temperature6.2° / 13.3°
Feels like2.6° / 10.0°
Sunshine hours8h 32m
Rainfall2.6 mm
Snowfall0.1 cm
Wind12.0 km/h (Gentle breeze)
Humidity76.4%
Max UV indexModerate (3.5)
Sweat lossLow
Course conditionsFirm and slightly soft
Sunrise06:18
Sunset19:59
About Seattle
Learn more about the host city, Seattle.
Seattle, Washington sits at one of the most beautiful spots in the United States. Occupying a narrow isthmus between the Puget Sound and Lake Washington, it is the biggest city in the Pacific Northwest, with 780,000 people in Seattle and over four million people in the metro area. Seen from above, carpets of evergreen trees, pristine blue waters, and snowy white mountains surround the downtown's metallic skyscrapers, earning the city its nickname The Emerald City.
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Things to do nearby
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