The 9th Annual NorthShore Rollerski Marathon

Saturday, September 14, 2019

The NorthShore Inline Marathon organization would like to present the most prestigious and one of the only rollerski marathons in the United States!

rollerski marathon duluth mn

Photo by Robert Welton

What You Get

Every registered athlete gets a short sleeve 2019 race shirt.

Thanks to our food and drink sponsors!

With our unique point-to-point race course, we bus all athletes to the start line and ship the gear bags to the finish! ROLLERSKI buses depart from the DECC parking ramp off of Railroad Street from 7:00-7:15am.

Race Course

Enjoy the country’s most scenic and exciting rollerski 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).

Course Cutoffs

Rollerski Marathon participants are expected to finish the race within 4 hours. All event participants must be at 26th Avenue East (entrance to the freeway) by 1:30pm be able to complete the event. This is Mile 23. The course MUST be opened to traffic at 2pm.

Race Start Times

8:30 am – Rollerski

Registration Fees

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


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

Race Insurance Package. This $15 registration add-on includes no questions-asked race refund or deferral to 2020, and free wave or race transfer.

How to purchase Race Insurance Package: When you register for the 2019 NorthShore Inline Marathon, additionally select the Race Insurance Package option for $15 and you will be automatically enrolled.

**IMPORTANT** Please review the full details at


The top 3 ‘Marathon’ finishers in each gender specific class will be awarded an engraved medallion, in recognition of their impressive accomplishment, at the NSIM awards ceremony.  The Full Marathon award ceremony will begin at 2:30pm at The Sports Garden. Awards must be picked up at this time. Awards will not be mailed. ***Awards are based off of gun time.***

Male & Female Class

Overall 1, 2, 3
29 & Under

Age Limits

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

rollerski marathon duluth mn

Olympian Caitlin Gregg – Photo by Robert Welton

Race Safety & Rules

Section 1. Rollerski Equipment
A.1 Rollerski sport equipment must be available as a commercially produced product that is available to the general public*
A.2 The recommended diameter of the wheels must should be around 100 mm
– A.2.1 – All V2 Brand Rollerskis are allowed
A.3 The distance between the axles of the Rollerskis must not be less than 530 mm*
A.4 Two ski poles with specific Rollerski or Cross-Country skiing tips must be Used*
A.5 Approved cycling helmets (ANSI and/or SNELL approved) and eye protection must be worn*
A.6 Shoes or ski boots have to be fixed on the Rollerskis with a Cross-Country
A.7 The changing of poles and Rollerskis is allowed during the competition*
A.8 Competitors are permitted to change or repair equipment during the competition but they must do this without any outside assistance other than being handed the replacement equipment or tools.

Section 2. Rollerski Clothing
B.1 Torso clothing must be worn at all times covering at least ¾ of the upper body with bibs mounted on the front unfolded and/or wrinkled in a visible fashion.
B.2 The use of gloves is permitted.

Section 3. Race Rules
C.1 Skating is not permitted for the first 70 m after the start. You must double pole.
C.2 Finishers must hold their line within the last 100 M of the finish. Excessive movement side to side will result in a disqualification.

* Race rules adapted from the Cross-Country ICR