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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
2026 Age Award Winners
RACE WEEKEND
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
2026 Age Award Winners
RACE WEEKEND
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
2026 Age Award Winners
RACE WEEKEND
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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