Grandma's Marathon

A June point-to-point along the shore of Lake Superior from Two Harbors into Duluth. Cool lake air, a mostly downhill finish and one of the best-supported small-city races in America.

PB courseGood for debutsUndulatingUSA
Download course map

Where it runs

Grandma's Marathon course map: the route through Duluth, with the start and the finish marked.
Duluth Marathon course map — start, finish and route.

Interactive map

The trace follows the organizer's published course, simplified for the screen: the orange dot is the start, the dark dot the finish. Scroll to zoom, drag to pan.

About this race

A June point-to-point along the shore of Lake Superior from Two Harbors into Duluth. Cool lake air, a mostly downhill finish and one of the best-supported small-city races in America.

Next edition
19 June 2027
Elevation gain
145 m
Profile
Undulating
First run
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About these facts

Dates, course type, climbing and time limits are compiled from the organizer's publications and re-checked each season; elevation is an estimate of total climbing rather than a survey figure. Always confirm race-day details with the organizer before making plans.

Last reviewed 28 September 2026