Tenacious 10

Events

$69

8:00AM PDT 11:00AM PDT

Increases to $74 after the first 50 people register. (50 spots left) Registration Opens October 5, 2026 at 12:00am PDT

$59

8:15AM PDT 11:00AM PDT

Increases to $64 after the first 50 people register. (50 spots left) Registration Opens October 5, 2026 at 12:00am PDT

Event Description

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

Race Website

10 Mile Map & Route

Ten miles of pure Seattle magic. MAP

Loop Lake Union with water views that never quit, the Space Needle standing guard, and the iconic Fremont Bridge waiting for your victory lap.

1.) Start and finish inside Gas Works Park

2.) Head down Fairview to Westlake.

3.) Cruise along Westlake Ave. N. and its sidewalks, bike lanes, and trails, including a scenic out-n-back along the trail.

Every mile gives you another reason to fall in love with this city.

The views? Unmatched. The course? Unforgettable. You? Unstoppable.

10k Map & Route

Ten kilometers of pure Seattle magic. MAP

Loop Lake Union with water views that never quit, the Space Needle standing guard, and the iconic Fremont Bridge waiting for your victory lap.

1.) Start and finish inside Gas Works Park

2.) Head down Fairview to Westlake.

3.) Cruise along Westlake Ave. N. and its sidewalks, bike lanes, and trails.

Every mile gives you another reason to fall in love with this city.

The views? Unmatched. The course? Unforgettable. You? Unstoppable.

Packet Pickup

Packet Pickup is on Friday, April 2rd, 2027.

Time: 2-7pm

Location: TBD

There will also be packet pickup race morning but please try to come on Friday to avoid congestion and delays.

Race Day Schedule

RACE DAY

6:30-7:45 am – Day of Bib Pick up and Day of Registration (If available)

7:50 am – 10-mile Pre-Race Briefing

8:00 am – 10-mile START

8:05 am - 10k Pre-Race Briefing

8:15 am - 10k START

11:00 am – Courses Close

11:30 am – Event Break-Down Begins

*The Schedule may change at any time because of unforeseen circumstances or to meet the City of Seattle requirements, so please make sure to read through all pre-race participant e-mails to be updated on the event schedule.

PARKING

Gas Works Park: 2101 N Northlake Way, Seattle, WA 98103
FREE PARKING
It is Seattle, so while there is parking, give yourself ample time to find a spot and walk to the park. Pro-tip…take note where you park so you remember post race! Bib pickup is on site, so please allow time for that as well.