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Tenacious 10

Name: Tenacious 10
Start: 2027-04-03
End: 2027-04-03
Location: Seattle

Seattle, Washington, United States

calendar_today 03 Apr, 2027

directions_run Running

language Official Website

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.

T10 WEBSITE

Races Offered

Tenacious 10 mile run

Apr 03, 2027

straighten

Distance — 16.1K

terrain

Type — Running

timer

08:00

sell

0.00

Tenacious 10k run

Apr 03, 2027

straighten

Distance — 10K

terrain

Type — Running

timer

08:15

sell

0.00

Weather History

These values represent the 3-year monthly averages for April in Seattle.

thermostat Temperature

6.2° / 13.3°

wb_sunny Feels like

2.6° / 10.0°

light_mode Avg sunshine hours

8h 32m

water_drop Avg rainfall

2.6 mm

ac_unit Avg snowfall

0.1 cm

air Avg wind speed

12.0 km/h (Gentle breeze)

opacity Sweat loss rate

Low

terrain Course conditions

Firm and slightly soft

sunny Max UV Index

Moderate (3.5)

humidity_mid Humidity

76.4%

wb_twilight Sunrise

06:18

nightlight Sunset

19:59

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.