Road RunningWorld Marathon Majors QualifierBoston Marathon Qualifier

Grandma's Marathon

Road Running covering 5 km to 42.2 km with up to 152 m D+ in Duluth (Minnesota, United States)

LocationDuluth, Minnesota, United StatesShow on map(46.7832° N, 92.0944° W)
Date & StatusJune 18, 2027 to June 19, 2027Date confirmed
Elevation gainUp to +152 m

Grandma's Marathon is an endurance sporting event in Duluth, Minnesota, US focused on Road Running. It is part of World Marathon Majors Qualifier, Boston Marathon Qualifier. Key features include City Run, Lakes & Ponds, Nature & Off-Road, Culture & History.

The race program comprises 3 competitions, including Marathon (42.2 km, +152 m D+), Half Marathon (21.1 km, +95 m D+), and 5 K (5 km, +22 m D+). The next edition is officially confirmed from June 18, 2027 to June 19, 2027. Official race regulations, course details, and registration information are provided on the organizer's website (grandmasmarathon.com).

Official website
Grandma's Marathon in Duluth (Work: "Runners in a race, Vieux-Limoilou", Photo: Wilfredor, License: CC0 1.0, Source: Wikimedia Commons)
"Runners in a race, Vieux-Limoilou" · Photo: Wilfredor · Wikimedia CommonsCC0 1.0
Cropped to 16:9 (960 × 540 px), WebP

Event characteristics

City RunLakes & PondsNature & Off-RoadCulture & HistoryMulti-Day

Races & distances (3)

CompetitionDisciplineDistanceElevation gainAltitude rangeCourse typeCourse & profile
MarathonRoad Running42.2 km+152 m85 m - 149 mLoop courseRoute & profile
Half MarathonRoad Running21.1 km+95 m88 m - 128 mLoop courseRoute & profile
5 KRoad Running5 km+22 m91 m - 100 mLoop courseRoute & profile
Course & Elevation Telemetry

Course route & map

Distance
42.2 km
Elevation gain
+152 m D+
Elevation loss
-152 m D-
Altitude range
85 m - 149 m
Gradient (Avg / Max)
0.7 % / 1.3 %
Course format
Loop course
42.2 km+152 m D+
Start (S)Finish (F)
N10203040FS46.7832° N, 92.0944° W

Elevation profile & course telemetry

Altitude from 85 m to 149 m above sea level (+152 m D+, -152 m D-)

Peak: 149 m·at 15.5 km·Ø 0.7 %
85 m106 m128 m149 m0 km8.4 km16.9 km25.3 km33.8 km42.2 km149 m
Event Information & Answers

Frequently asked questions (FAQ)

When and where does Grandma's Marathon take place?

Grandma's Marathon takes place in Duluth, Minnesota, US (start area at coordinates 46.7832° N, 92.0944° W). The next edition is officially confirmed from June 18, 2027 to June 19, 2027.

What races and distances are offered at Grandma's Marathon?

The race program comprises 3 competitions, including Marathon (42.2 km, +152 m D+), Half Marathon (21.1 km, +95 m D+), and 5 K (5 km, +22 m D+). The competitions belong to Road Running.

What is the course layout and elevation profile for Grandma's Marathon?

The main competition (Marathon over 42.2 km) is designed as a loop course featuring +152 m of elevation gain and -152 m of elevation loss, ranging between 85 m and 149 m above sea level. An interactive course map with route visualization, elevation profile, and GPX export is available in the course section on this page.

Where can I find registration and official race rules for Grandma's Marathon?

Official race regulations, course details, and registration information are provided on the organizer's website (grandmasmarathon.com).