2025 - NorthShore Inline Marathon

  • Date Fri 12th September 2025
  • Time 4:00PM CDT
  • Location Duluth, Minnesota
  • Price Free - $181.20
  • Races 10 races
  • Distances Marathon, Ultra, Half Marathon, 10km, Sprint

Event summary

Get ready for an exhilarating day of athleticism and community at the 2025 NorthShore Inline Marathon on Friday, September 12, 2025, in the stunning city of Duluth, St. Louis! Celebrating its 28th year, this iconic event has earned its reputation as one of the best inline marathons in the world, attracting thousands of participants of all ages. The marathon features a breathtaking route that showcases the picturesque North Shore landscape, providing athletes with a chance to glide through scenic views and vibrant community spirit.

In addition to the inline skating marathon, the event also includes the St. Luke's Half Marathon and the Finden Marketing Tunnel 10k, offering runners a unique blend of challenge and beauty. The half marathon winds through the enchanting Northland woods and tunnels of Interstate 35, finishing at the iconic William A. Irvin. Meanwhile, the 10k route offers a thrilling experience as runners navigate the I-35 tunnels before celebrating their achievement at the finish line. Moreover, the VW of Duluth Roller Ski Division invites rollerski enthusiasts to join in with options for both a 42k and a 21k, making it an unforgettable experience for all skill levels. Don't miss out on this extraordinary eventβ€”

Organiser's Description

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 28th year of skating.

Our event also includes our running division, which hosts two breathtaking runs. The first is the St. Luke's Half Marathon, one of Minnesota's most beautiful half marathons. This event begins on the scenic North Shore highway, with runners making their way through the Northland woods, passing through the tunnels of Interstate 35, and finishing alongside the iconic William A. Irvin. Our second race, the Finden Marketing Tunnel 10k, offers runners a unique experience of traversing the I-35 tunnels, covering 6 miles of interstate before finishing near the William A. Irvin.

Lastly, our VW of Duluth Roller Ski Division is an emerging part of our race series. It offers roller skiers of all skill levels two options: a 42k and a 21k Rollerski. Participants can ski alongside over 2,000 inline skaters, immersing themselves in the event's lively atmosphere!

Bring friends, make memories, and skate on!

Races

  • NorthShore Inline Marathon

    Incl. $8.74 Fee & T-Shirt (Unisex)

    Sat 13th September 2025 (8:45AM CDT)

    $137.74

  • Combined 39.3 Mile Skate

    Incl. $11.20 Fee & T-Shirt (Unisex)

    Sat 13th September 2025 (6:45AM CDT)

    $181.20

  • Half Marathon Skate

    Incl. $6.64 Fee & T-Shirt (Unisex)

    Sat 13th September 2025 (6:45AM CDT)

    $100.64

  • CIty of Duluth Tunnel 10k Skate

    Incl. $5.08 Fee & T-Shirt (Unisex)

    Sat 13th September 2025 (7:45AM CDT)

    $73.08

  • FinnSisu Rollerski Marathon

    Incl. $8.74 Fee & T-Shirt (Unisex)

    Sat 13th September 2025 (8:30AM CDT)

    $137.74

  • Marwe Half Marathon Rollerski

    Incl. $7.54 Fee & T-Shirt (Unisex)

    Sat 13th September 2025 (6:50AM CDT)

    $116.54

  • Aspirus St. Luke's Half Marathon Run

    Incl. $7.54 Fee & T-Shirt (Unisex)

    Sat 13th September 2025 (7:00AM CDT)

    $116.54

  • Finden Marketing Tunnel 10k Run

    Incl. $4.78 Fee & T-Shirt (Unisex)

    Sat 13th September 2025 (8:00AM CDT)

    $67.78

  • Northern Lights Foundation Kids Sprint: RUN

    Incl. T-Shirt

    Fri 12th September 2025 (4:00PM CDT)

    Free

    Ages 14 & Under Kids may register for one event or BOTH events: Inline Skating & Running * BOTH registration forms must be completed if participating in both the Inline Skating and Running events
  • Northern Lights Foundation Kids Sprint: INLINE SKATE

    Incl. T-Shirt

    Fri 12th September 2025 (4:00PM CDT)

    Free

    Ages 14 & Under Kids may register for one event or BOTH events: Inline Skating & Running * BOTH registration forms must be completed if participating in both the Inline Skating and Running events

Reviews

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Location

350 Harbor Drive, Duluth, 55802, MN, United States

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Sep 12, 2025

Free - $181.20