The Tenacious Ten

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.

03/08/2026

900 runners already registered for the Tenacious 10.

The field is filling fast, and we are nearing a sellout.

If the Tenacious 10 is on your list, now’s the time to lock in your spot before the next price bump.

See you at the start line. Who's going to be at the startline?👇

02/28/2026

Price increase at midnight tonight!

Lock in your registration at a lower price today for Seattle's iconic race around Lake Union.

Tag your friend in the comments for a discount code.

02/04/2026

Tenacious 10 shirt reveal!

Yep, this one’s coming home with you.
Every Tenacious 10 runner gets this year’s official race shirt 🙌

Run hard, sweat a little, and earn this cool shirt.
Who’s rocking this on race day with us?

Register by March 1 to guarantee size.