The Tenacious Ten

10/15/2026

The clock is ticking!

Just 2 days left to grab our lowest pricing for the 2027 Tenacious 10!

Opening pricing ends Friday night OR when the first 100 spots are claimed, whichever comes first!

10K or 10 Mile. April 3, 2027.

Don't miss out on the lowest price of the year!

10/05/2026

2027 Registration is open!

Lock in our lowest price for our 2027 Tenacious 10 event on April 3, 2027. First 100 Registrations get the special pricing. Come join us and open the 2027 Run Super Series next Spring in Seattle!

Who's going to run the best loop in Seattle with us?

https://runsignup.com/Race/WA/Seattle/Tenacious10

07/02/2026

Save that date!

Seattle's favorite spring running tradition returns April 3, 2027

Who's coming in 2027?

04/19/2026

Thank you for capturing the essence of our race 🔥

We can't wait to see you all at the next Run Super Series event & definitely for Tenacious 10 2027 🙌🏻

03/29/2026

We are in need of quite a few more volunteers for this week's Tenacious 10 on April 4.

It's a lot of fun and you get 50% off an upcoming Run Super Race.let us know if you have any questions.

Please consider helping out link to register to volunteer is in the comments.

03/28/2026

Only 1 week to go!

Tenacious 10 miler & 10K is almost here. Who's in?

03/25/2026

Be part of race day.

1,100+ runners and counting.

The Tenacious 10 is on Saturday April 4, 2026. It includes the following events: Tenacious 10 mile run and Tenacious 10k run.

03/21/2026

🔥 Seattle runners — this is your last chance 🔥

The Tenacious 10 (April 4) is almost SOLD OUT.

Join 1,100+ runners taking on Seattle’s most iconic loop around Lake Union.

✔️ 10K + 10 Mile options
✔️ Start/finish at Gas Works Park
✔️ Flat, fast, insanely scenic

If you’ve been thinking about it, don’t wait.

Once it’s full, it’s full.

👉 Grab your spot now:

Run the Tenacious 10, a scenic Seattle road race featuring a 10 mile and 10K around Lake Union. Starting and finishing at Gas Works Park on April 4, 2026.

03/12/2026

Over 1,000 runners have already signed up for the Tenacious 10.

If you’re planning to run, don’t wait, this race is getting close to capacity.

See you at Gas Works Park on April 4.

03/10/2026

Last call to register!

Only a few hours left to register for the Tenacious 10 and guarantee your race shirt size.

Don’t miss out. Find the link to register in the comments.

Tag a friend in the comments that you'll be running with.