Run The NorthShore - Half Marathon & Tunnel 10k

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Run The NorthShore - Half Marathon & Tunnel 10k Run one of these beautiful races and enjoy the fall air of Northern Minnesota.

Aspirus Half Marathon and Finden Marketing Tunnel 10k

Duluth, Minnesota
September 19th, 2026

Part of the NorthShore Inline Marathon Series of Races
Learn more by checking out our website.

Skating for something bigger 💙 Thanks to the generosity of our 2026 participants, the NSIM team was proud to present $8,...
10/14/2026

Skating for something bigger 💙 Thanks to the generosity of our 2026 participants, the NSIM team was proud to present $8,027.84 to the Northern Lights Foundation. Thank you to everyone who donated and helped make this possible!

10/12/2026

Not a bad view for race day 🌊

Lake Superior, open road, and one unforgettable finish line.

See you September 18, 2027.

That moment right before the starting line: the nerves, the excitement, and everything you’ve worked for leading up to t...
10/11/2026

That moment right before the starting line: the nerves, the excitement, and everything you’ve worked for leading up to this.

There’s nothing quite like it.

Two thumbs up and the biggest finish-line smile! 👍👍 You made it across, and you’ve earned every bit of that celebration!...
10/08/2026

Two thumbs up and the biggest finish-line smile!

👍👍 You made it across, and you’ve earned every bit of that celebration!!

10/06/2026

The countdown is over… 🎉

Congratulations to our NSIM 2027 giveaway winner! 🛼🏁

We can’t wait to see you at the start line next September.
Winner, keep an eye on your DMs for next steps 👀

And if you didn’t win, don’t worry! You can still take advantage of early bird pricing! Register now to lock in a great price, and we’ll see you back in Duluth on September 18, 2027. 🙌

What a beautiful moment! 💙 Congratulations, mama, for showing your little ones that race day is even better when you tak...
10/05/2026

What a beautiful moment! 💙

Congratulations, mama, for showing your little ones that race day is even better when you take it on together.

That beard deserves its own finisher medal! 🏅 Big cheers for this guy crossing the line in style at NSIM 2026.
10/02/2026

That beard deserves its own finisher medal! 🏅 Big cheers for this guy crossing the line in style at NSIM 2026.

Early bird prices are still here! One in five racers from last year has already signed up for 2027, and you should too....
10/02/2026

Early bird prices are still here!

One in five racers from last year has already signed up for 2027, and you should too. Grab your spot while early bird pricing is still available! 🛼🏃‍♀️

Every runner and skater has a reason for showing up. Maybe it’s a personal goal, a family tradition, the joy of racing, ...
09/29/2026

Every runner and skater has a reason for showing up. Maybe it’s a personal goal, a family tradition, the joy of racing, or in honor of someone they love. Whatever brought you to the course, we’re glad you were part of NSIM. 💙

What was your “why” this year?

Crossing the finish line is even better when you do it together! 💙 Bring your friends and family and make race day memor...
09/27/2026

Crossing the finish line is even better when you do it together! 💙 Bring your friends and family and make race day memories of your own. Registration for the 2027 NorthShore Inline Marathon is open now. We’ll see you at the starting line!

Address

525 S Lake Avenue
Duluth, MN
55802

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm

Telephone

+12187231503

Website

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