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OUR DISTANCES
Marathon – Skate
Half Marathon – Skate
Tunnel 10k – Skate
Mike Lufholm Combined 39.3 – Skate
Aspirus Half Marathon – Run
Finden Marketing Tunnel 10k – Run
Finnsisu Marathon – Rollerski
Marwe Half Marathon – Rollerski
IMPORTANT INFORMATION
NSIM History
What Wave Should I Do
FAQ
Course
Awards & Age Groups
World Inline Cup
Results
RACE WEEKEND
2026 Jersey Pre-Order
Times to Know
Event Guide
Staying in Duluth
Getting to Duluth
Things to do in Duluth
Oktoberfest
GET INVOLVED
Volunteer
Join The Board
Sponsor
OTHER RACES
Going Bananas Run – Duluth
Going Bananas Run – Twin Cities
Northern Lights Foundation Kids Sprints
CONTACT
OUR DISTANCES
Marathon – Skate
Half Marathon – Skate
Tunnel 10k – Skate
Mike Lufholm Combined 39.3 – Skate
Aspirus Half Marathon – Run
Finden Marketing Tunnel 10k – Run
Finnsisu Marathon – Rollerski
Marwe Half Marathon – Rollerski
IMPORTANT INFORMATION
NSIM History
What Wave Should I Do
FAQ
Course
Awards & Age Groups
World Inline Cup
Results
RACE WEEKEND
2026 Jersey Pre-Order
Times to Know
Event Guide
Staying in Duluth
Getting to Duluth
Things to do in Duluth
Oktoberfest
GET INVOLVED
Volunteer
Join The Board
Sponsor
OTHER RACES
Going Bananas Run – Duluth
Going Bananas Run – Twin Cities
Northern Lights Foundation Kids Sprints
CONTACT
Register Here
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OUR DISTANCES
Marathon – Skate
Half Marathon – Skate
Tunnel 10k – Skate
Mike Lufholm Combined 39.3 – Skate
Aspirus Half Marathon – Run
Finden Marketing Tunnel 10k – Run
Finnsisu Marathon – Rollerski
Marwe Half Marathon – Rollerski
IMPORTANT INFORMATION
NSIM History
What Wave Should I Do
FAQ
Course
Awards & Age Groups
World Inline Cup
Results
RACE WEEKEND
2026 Jersey Pre-Order
Times to Know
Event Guide
Staying in Duluth
Getting to Duluth
Things to do in Duluth
Oktoberfest
GET INVOLVED
Volunteer
Join The Board
Sponsor
OTHER RACES
Going Bananas Run – Duluth
Going Bananas Run – Twin Cities
Northern Lights Foundation Kids Sprints
CONTACT
Register
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