Tenacious 10
Tenacious 10 is a running race on April 3, 2027 in Seattle, WA.
- Date
- April 3, 2027 (184 days to go)
- Location
- Gas Works Park, Seattle, WA
- Sport
- Running
From the Organizer
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.
Events
Typical Conditions
It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.
Typical High
57°
Typical Low
41°
Chance of Rain
55%
Based on US Climate Normals data from Seattle Sand Pt Wsfo, 4 mi from the venue.
About Seattle, WA
Population
741,440
as of 2023
City Elevation
40 ft
Nearest Airport
SEA
Seattle–Tacoma International Airport · 10 mi
Time Zone
Pacific Time
From Endurance Grid
A big city race. Expect multiple lodging options and plenty to do the day before.
Race Location
What Are You
Waiting For?
Every finish line starts with a single decision. Claim your spot at Tenacious 10, put it on the calendar, and turn “someday” into a start date.
184
Days to train
- Race
- Tenacious 10
- Date
- April 3, 2027
- Location
- Gas Works Park, Seattle, WA
Want more races like this?
Enter your email and we'll send more your way.
About This Sport
Endurance Grid is here to help you understand the sport, decide if it’s the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer’s event page.
With running, there's a distance for every fitness level, a community at every start line, and nothing beats the feeling of crossing a finish line you trained for.
Running is an endurance sport that rewards consistency, and showing up every week compounds in ways that will surprise you.
Running
From 5K to marathon, running races are an accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
More Running races near Seattle, WA
Frequently Asked Questions
What is the Tenacious 10?
When and where is the Tenacious 10?
How do I register for the Tenacious 10?
Tenacious 10
Apr 3, 2027