The 23rd Annual NorthShore Inline Marathon

Saturday, September 15, 2018
inline marathon duluth mn north shore inline skating rollerblade k2

Photo by Darlene Prois

Event Course

Enjoy the country’s most scenic and exciting inline skating event along the beautiful North Shore of Lake Superior! The 26.2 mile marathon begins just south of Two Harbors and continues along Scenic Hwy 61, rolling through the I-35 tunnels, and finishing at the Duluth Entertainment Convention Center (DECC).



Marathon: Advanced and Recreation Waves

$79 through May 31st
$89 through June 30th
$99 through July 31st
$109 through August 31st
$119 through September 12th – 11:59 PM CDT
$125 at Friday’s EXPO

$10 wave change fee

$10 race change fee (marathon to half marathon)


The race will be held rain or shine. There are no transfers of race packets or bib numbers and no refunds.

For 2018, we are rolling out a new add-on registration option called the Race Insurance Package. This $15 feature includes no questions-asked race refund or deferral to 2019, and free wave or race transfer.

How to purchase Race Insurance Package: When you register for the 2018 NorthShore Inline Marathon or Run, additionally select the Race Insurance Package option for $15 and you will be automatically enrolled!

**IMPORTANT** Please review the full details at

Photo by Robert Welton

Wave Placement

In order to increase safety and ease crowding, Inline Marathon skaters must register for the correct wave based on past performances and projected finish times. Please see the wave placement guide below and select the corresponding wave during the online race registration process. Wave changes after submitting online registration is available on our registration site ( All wave changes are subject to a $10 processing fee.

Wave Placement Guide
Wave Estimated finish time
Advanced Wave 1 1:12-1:18
Wave 2 1:19-1:24
Wave 3 1:25-1:30
Recreation Wave 1 1:31-1:45
Wave 2 1:46-1:59
Wave 3 2:00-3:30


There are no age group awards in the elite divisions, the top three will receive medals.  The top 3 ‘Marathon’ finishers in each gender specific age class will be awarded an engraved medallion, in recognition of their impressive accomplishment, at the NSIM awards ceremony at Grandma’s Sports Garden. The Full Marathon award ceremony will begin at approximately 3:30 p.m. **Awards are based off of GUN TIME, not chip time.**


Photo by Robert Welton

Age Limits

Skaters under 13 years of age must have their entry approved by the Executive Director.

Marathon Start Sequence

8:35 – United States & Canadian National Anthems
8:40 – Clear the course
8:43 – Call to start
8:44 – 60 second warning
8:45 – Elite Open Men & Elite Masters Men 30-39
8:50 – Elite Masters Men 40-49
8:55 – Elite Masters Men 50+
9:00 – Elite Open Women & Elite Masters Women 40+
9:05 – Advanced Wave 1
9:08 – Advanced Wave 2
9:11 – Advanced Wave 3
9:14 – Combined Skaters
9:17 – Recreation Wave 1
9:21 – Recreation Wave 2
9:24 – Recreation Wave 3

Half Marathon Start Sequence

6:35 – United States & Canadian National Anthems
6:40 – Clear the course
6:43 – Call to start
6:44 – 60 second warning
6:45 – Half-Marathon Mass Start
7:00 – Wheels Off Half Marathon Run

Photo by Robert Welton

Race Safety

Helmets are mandatory at all times while on the race course. Wrist, knee, and elbow protection are also recommended.

Gear Bag Trucks

Gear bag trucks will be placed behind the start line near the bus drop off area. To avoid participant congestion and to enable the trucks to leave on time, they are being placed here. The Elite gear bag truck will be in front of the start line and will depart at 9:10 AM. Age group wave gear bag truck will depart at 10:00 AM. Get your gear on board!

inline marathon skating duluth mn rollerblade k2 skates

Photo by Robert Welton

Race Teams/Skate Clubs (Inline Full Marathon)

Team Divisions: Male, Female, and Co-Ed

*Co-Ed must have at least 2 Male and 2 Female, and a total of 5 skaters or more.

Any Race Team, Skate Club or other formal or informal group of skaters can create a team to compete in this Male and Female division. Requirements are:

  1. The total times from the top 5 skaters in each team will be combined to compete for an award
  2. No Elite skaters are eligible for this award

Any Race Team, Skate Club or other formal or informal group of skaters can create a team to compete in this Co-Ed division. Requirements are:

  1. Two Male and Two Female skaters must be included in the total times
  2. The total times from the top 5 skaters in each team will be combined to compete for an award
  3. No Elite skaters are eligible for this award

Team Rules

All Teams must submit a roster identifying all members and the Team Captain (contact person). Only non-elite skaters may participate in the Team Challenge. Each participant is only eligible for ONE category: male, female, or co-ed. (Please complete the form below by August 22, 2017).

Team Challenge Entry Form

Team Champion

Quad Skaters

Quad skaters are eligible for overall quad skater awards (Male and Female) in the Inline Marathon race. Register as a quad skater during the registration process.