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.
Our 2022 Major Sponsors
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!