Minnesota · Marathon · Half
Grandma's Marathon
Grandma's Marathon is a marathon and half marathon event held in Duluth, Minnesota. It is usually held in June; the exact date hasn't been confirmed in the listing yet. About 20,000 runners take part across all distances.
- Usually held
- June
- Location
- Duluth, MN
- Field size
- ~20,000 runners
Race details
- Usually held in
- June (date not confirmed)
- Location
- Duluth, Minnesota
- Distances
- Marathon, Half
- Field size
- About 20,000 runners
- Course
- Rolling Hills
- Registration
- runsignup.com
- Official website
- grandmasmarathon.com
About the Grandma's Marathon
An iconic point-to-point marathon running from Two Harbors along the Lake Superior shoreline into Duluth, paired with the popular Garry Bjorklund Half Marathon.
Rankings and notes
- Rankings and awards
- FindMyMarathon Top 50 BQ Races 2026 — #21 (BQ rate 15.3%, PR score 98.0, Mostly Flat); USATF-certified; Boston qualifier; one of the ten largest marathons in the United States; 50th anniversary in 2026
- Notes
- Largest marathon in Minnesota
More marathons in Minnesota
Coming up next, by confirmed date.
-
White Continent 50k, Marathon & Half-MarathonMinneapolis, MNMarathonHalf Marathon31 Miles10K +1 more
More races in Duluth
More upcoming races in Minnesota
Keep exploring
- All races in Minnesota
- 5Ks in Minnesota57 upcoming races
- 10Ks in Minnesota24 upcoming races
- Half Marathons in Minnesota6 upcoming races
- Marathons in Minnesota2 upcoming races
- Half Marathons in the United States1,289 upcoming races
- Marathons in the United States353 upcoming races
- June Marathons
- Marathons in Wisconsin4 upcoming races
- Marathons in Iowa4 upcoming races
- Marathons in South Dakota2 upcoming races
- Marathons in North Dakota9 races listed
Guides from the RaceRove blog
- 7 min read How to Find a 5K, 10K, Half Marathon or Marathon Near You A practical way to find running races near you: pick a distance, decide how far you'll travel, read the listing properly and confirm the details before you register.
- 9 min read How to Run a Race in All 50 States How to plan a 50-state running challenge: set your own rules, group states into trips, build a calendar around the seasons, budget for it and keep track of every finish.
- 8 min read How to Choose the Best Half Marathon for a PR, Racecation or 50-State Challenge The best half marathon depends on what you want from it. How to choose a course for a personal record, a race worth travelling for, or an efficient stop on a 50-state challenge.
- Blog All guides Planning advice for finding, choosing and travelling to races.
Grandma's Marathon: common questions
- When is the Grandma's Marathon?
- The next date hasn't been announced in the listing yet. The race is usually held in June. Check the organiser's website for the official date.
- Where is the Grandma's Marathon held?
- In Duluth, Minnesota.
- What distances does the Grandma's Marathon offer?
- Marathon and Half.
- How many people run the Grandma's Marathon?
- About 20,000 runners across all of its distances. That figure is an estimate of the field size, not an entry cap.
- How do I register for the Grandma's Marathon?
- Registration is handled by the organiser at runsignup.com. Entry fees, caps and deadlines are set there.
Plan this race in RaceRove
Save it to your plan, compare it with other races, check typical race-day weather and track your 50-state progress in the interactive app.