When is Tenacious 10?

Tenacious 10 takes place on Apr 4, 2026. That's in 1 month.

Where is Tenacious 10 located?

Tenacious 10 is held in Seattle, Washington, United States.

What distances are available at Tenacious 10?

Tenacious 10 offers the following distances: 10M, 10K.

How do I register for Tenacious 10?

You can register for Tenacious 10 through the official registration page.

What is the typical weather for Tenacious 10?

Based on historical data, you can expect temperatures between 41°F and 57°F on race day. There's approximately a 15% chance of precipitation.

Tenacious 10 (10K-10M) - Apr 4, 2026 | Seattle, WA

The Tenacious 10, set for Saturday, April 4, 2026, in Seattle, WA, invites runners to experience one of the city's most iconic road races. Offering both a 10-mile and a 10K distance, this event is a celebrated loop around the picturesque Lake Union, designed for those seeking a fast and rewarding challenge. The course is largely flat and 100% paved, making it an excellent opportunity to chase a personal best while soaking in breathtaking views.

Starting and finishing at the scenic Gas Works Park, runners will journey past iconic Seattle landmarks, including Lake Union Park, the Space Needle, and the historic Fremont Bridge. The route cruises along Eastlake Ave. E., Fairview Ave. N., and Westlake Ave. N., providing panoramic vistas of the water and the vibrant city. Aid stations and toilets are conveniently located approximately every two miles, ensuring runners are well-supported throughout their race. Typical race day conditions in early April feature comfortable highs around 57°F and lows of 41°F, with a modest 15% chance of precipitation.

The Tenacious 10 is more than just a race; it's a celebration of Seattle's beauty and the spirit of the running community. Participants consistently praise the event for its superb organization and lively atmosphere. Upon crossing the finish line, every runner earns a super comfy long-sleeve shirt, a gleaming finisher medal, and complimentary professional race photos to commemorate their achievement. Join hundreds of fellow runners for an unforgettable experience that blends stunning scenery with a fast, engaging course.