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Be a Part of USA's
Largest Skating Marathon
September 16th - 18th 2022
Duluth, Minnesota
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 over 2,000 athletes of all ages ranging from 10 to 95 come and participate in our events. With a historic route, great views, and an even better community; NSIM has been called one of the best inline marathons in the world by countless individuals and has become a tradition for many. Come join us this year for our 26th year. Bring friends, make memories, and skate on.
Our Signature Races
No matter if you skate, run, or ski 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 20 years along the beautiful shores of Lake Superior. Grab some friends, and come make memories with us as we celebrate the big 25.
Our 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
Best inline marathon 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 for all levels beginner to professional!
Andrew Weisz
What do I do with my shoes at the start of the race?
We provide a bag with your bib number on it so that you may place your personal items in it. The bags are then placed in trucks and transported to the finish area. Please be patient. It takes time to sort thousands of bags. Do not put any valuables in the bag.
Is there a quad skater category?
Yes! We’ve added a category for quad/roller skates in the full and half marathon. Please register for the quad wave during online registration, or email mike@northshoreinline to switch. Quad skaters in the full marathon will start with Rec Wave 1. Quad skaters in the half marathon are included in the mass start. PLEASE NOTE that ALL skaters must be off of the race course by 2pm! Please plan accordingly!
Can I change events?
Yes, event changes must be done prior to August 31. There are fees associated with event changes. Please contact the office at (218) 723-1503 or email for further details.
Can I pick up my race packet the morning of the race?
Yes, from 5:00 – 8:30 am a tent will have all the remaining packets at the front main entrance to the DECC complex where the buses load. Once the last bus leaves the packets are no longer available. Note: this is not the door used for the expo of the finish line activities.
Is this event only for competitive skaters?
No! Our race promotes skating, running, and rollerskiing for all and have different waves for different levels. Check out race weekend to learn more!
Are there local lodging options for the weekend?
Yes! We have multiple options for racers to choose from that can all be found on our lodging page located in "race info"
How do I see past results?
Great question! Use this link below to see results going back over a decade
https://www.mtecresults.com/event/show/3216/2019_NorthShore_Inline
Can I drive up to the start line instead of taking the bus?
Unfortunately we do not allow our racers to drive up to the start line due to the lack of parking at our start. Bus information can be found in our race information tab located at the top.
What is the bussing schedule?
Transportation to Start Line
Buses begin loading from the DECC parking garage area on Railroad St. for the Half Marathon events at 5:00 am, Full Marathon event buses begin loading at 6:45 am. Please board promptly to ensure that everyone arrives at the start lines on time.
I am doing the 10k, do I ride on a bus to get to the start?
No!