Logo featuring the word 'Tenacious' with the letter 'I' replaced by an orange weightlifting plate.

Seattle’s 10K / 10-Mile Run

April 4, 2026 | Gas Works Park | Seattle, WA

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Group of people participating in a running race starting at an outdoor event under a black inflatable arch that reads 'RUN SUPER SERIES'. Tall rusty industrial tanks are in the background, and there are spectators and officials along the route.
People running along a park trail with a city skyline in the background.
Group of runners participating in a road marathon, wearing athletic gear and numbered bibs, with some smiling and others focused, on a city street with signage and greenery in the background.
Group of runners participating in a marathon or race outdoors with the Space Needle in Seattle, Washington visible in the background.
A woman running in a race wearing a black sleeveless top, red shorts, black gloves, a sports watch, and a race bib numbered 1377, with other runners and green bridge structures in the background.
A group of people participating in a marathon or running event on a city street, with two men in the foreground wearing bib numbers 1121 and 1128, and several others behind them, some wearing athletic gear and race bibs, with city buildings and a bri
Group of runners participating in a race on a city bridge, wearing numbered race bibs, including a man in a blue jacket and sunglasses, a woman in black with sunglasses, and a young girl in a pink jacket with a gray cap, with urban buildings in the b
A woman running outdoors in a park with a cityscape and the Space Needle in the background.
A male runner in athletic clothing and a cap, smiling and adjusting his cap, standing outdoors with other runners and spectators in the background.

Seattle’s Most Iconic 10K & 10-Mile Race

BE TENACIOUS!

The Run Super Series is excited to bring you The Tenacious Ten!

We will be featuring both 10-mile and 10K distances for all levels of runners.

You may be asking, “what makes this course tenacious?”

And the answer is – it’s who we are – and it’s who you are too! 

Logo of Polar, featuring a white polar bear standing on a dark blue background with a gold circle behind it and the word 'POLAR' in large white letters.
Blue and black logo with a stylized globe and the words "ADVOCARE" beneath it.
Silhouette of a person lifting weights at a gym with a barbell overhead
Logo of Chuck's Glutefree Iron, featuring a blue background with a white anvil and the words 'Hand Forged Pitas.'
Ameriprise Financial logo featuring a stylized star within a circle and the company name in blue text.
Logo for Experience Momentum, a physical therapy, nutrition, and fitness business, featuring stylized human figure inside a circular arrow.

EVENTS

  • 10K

    APRIL 4TH, 2026

    Join the vibrant Tenacious Ten 10K,
    ideal for all runners.

    Experience Seattle's beauty on a flat, welcoming course, celebrating every step with community spirit.

    SIGN UP

  • 10-Mile

    APRIL 4TH, 2026

    Challenge yourself with the Tenacious Ten's 10-mile, a scenic route through Seattle's landmarks.

    Perfect for those pushing boundaries and seeking new achievements amidst breathtaking views.

    Sign Up
 

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