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2023 Registration is Open
Join the Nation's Largest Skating Event!
September 15th - 17th 2023
Duluth, Minnesota
St. Lukes Hospital
St. Luke's has provided medical leadership since its founding as Duluth’s first hospital in 1881. Even though we have grown into a regional health care system that serves three states, we have retained our renowned patient-centered focus. Our high-quality medical staff provides state-of-the-art care in one of the most beautiful settings in the United States.
Finden Marketing is a full-stack marketing agency headquartered in Duluth, Minnesota. Finden Marketing was founded on the principles that high-quality marketing shouldn't cost an arm and a leg and has made it its mission to provide small to mid-sized businesses with creative marketing services that don't break the bank. Finden offers a wide range of marketing solutions including online advertising, social media management, content creation, website design, and more.
Click their logo to learn more.
Advanced Sponsors
Recreational Sponsors
Supporting Sponsors
North America's Largest Skating Race
Founded in 1996, the NorthShore Inline Marathon is dedicated to spreading the love of inline skating and overall fitness. Every year thousands of athletes of all ages come to Duluth to participate in this one-of-a-kind event. The NSIM offers a historic route, great views, and an even better community. It has been called one of the best inline marathons in the world by countless publications and has become a tradition for many. Come join us this year for our 26th year of skating.
Bring friends, make memories, and skate on!
Our Signature Events
No matter if you skate, run, or rollerski the North Shore has a race for you. Join in on the action by signing up for our marathon, half, or 10k's! The NSIM has been providing top-class races for over 25 years along the beautiful shores of Lake Superior. Grab some friends, and come make memories with us.
NorthShore Inline Marathon
NorthShore Half Marathon
Tunnel 10k Race
Combined 39.3
Our 2022 Major Sponsors
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We are extremely proud to showcase our sponsors and our race couldn't happen without their endless support. Interested in sponsoring NSIM? Email skeeter@northshoreinline for more information
What Other Racers Said
Best event I have ever done! The route is amazing and overlooks Lake Superior, the people are friendly, and its just a fantastic community. I would recommend the entire weekend of events for all levels from beginner to professional!
Andrew Weisz
Frequently Asked Questions
Our 2022 Sponsors
Major Sponsors
Rollerblade
As the pioneer in inline skating, Rollerblade® is committed to providing resources and tools for
every level of skater and a guide to find the right skate to best suit their abilities. Our brand mission is to inspire people to move freely on wheels by being authentic, progressive, and experiential. For more information, visit Rollerblade.com or follow us at @rollerblade.
St. Lukes Hospital
St. Luke's has provided medical leadership since its founding as Duluth’s first hospital in 1881. Even though we have grown into a regional health care system that serves three states, we have retained our renowned patient-centered focus. Our high-quality medical staff provides state-of-the-art care in one of the most beautiful settings in the United States.
Finden Marketing
Finden Marketing is a full-stack marketing agency headquartered in Duluth, Minnesota. Finden Marketing was founded on the principles that high-quality marketing shouldn't cost an arm and a leg and has made it its mission to provide small to mid-sized businesses with creative marketing services that don't break the bank. Finden offers a wide range of marketing solutions including online advertising, social media management, content creation, website design, and more.
Click their logo to learn more.
Advanced Sponsors
Recreational Sponsors
Supporting Sponsors
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