2025 - - NorthShore Inline Marathon
2025 distances
Nordic ice skating
NorthShore Inline Marathon
Combined 39.3 Mile Skate
Half Marathon Skate
CIty of Duluth Tunnel 10k Skate
Skiing
FinnSisu Rollerski Marathon
Marwe Half Marathon Rollerski
Running
Aspirus St. Luke's Half Marathon Run
Finden Marketing Tunnel 10k Run
Race-day weather
Conditions on September 12, 2025 — historical Open-Meteo data.
The sun rises at 6:43 AM and sets at 7:26 PM local time (CDT) in Duluth on September 12, 2025 — 12h 42m of daylight.
Course
No course map published yet.
The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.
Reviews
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Other races near Duluth
Different organizers, within 40 miles, in the next three months
Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.
- Entries, prices, waves and inclusions — the event's official registration page
- Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
- Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
- Comparisons and counts — Race Discovery calendar, 29 Duluth events
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