Grandma's Marathon
Grandma's Marathon sends runners point-to-point along Lake Superior toward Duluth, with a rolling net-downhill course and deep Boston qualifier demand.
Marathon Scout prioritizes official race websites, registration pages, timing providers, results pages, and race-linked live tracking. Last updated July 6, 2026.
Grandma's Marathon quick facts
- Point-to-point Lake Superior course from near Two Harbors to Duluth.
- Long-running Boston qualifier with a large, competitive field.
- Registration is sold out, with charity and transfer paths listed by the race.
- Seven-hour time limit with timing mats across the marathon course.
About the Grandma's Marathon
Grandma's Marathon is one of the signature U.S. summer marathons, drawing a deep field to northern Minnesota for a point-to-point run into Duluth.
Grandma's Marathon course description
The course starts near Two Harbors and follows Scenic Highway 61 along Lake Superior before finishing in Canal Park. It trends net downhill, but the rolling profile still asks for patient pacing.
Weather for the Grandma's Marathon
June on Lake Superior can start cool and turn warmer late. Wind off the lake, sun exposure, and changing temperatures can matter as much as the elevation profile.
Past Grandma's Marathon dates and results
| Year | Date | Status | Results |
|---|---|---|---|
| 2027 | Saturday, June 19, 2027 | — | — |
| 2026 | Saturday, June 20, 2026 | Completed | Open results |
Grandma's Marathon FAQ
When is the Grandma's Marathon?
The 2027 Grandma's Marathon is on Saturday, June 19, 2027.
How do I register for the Grandma's Marathon?
You can register for the Grandma's Marathon at grandmasmarathon.com.
Can I use the Grandma's Marathon for Boston qualifying?
Marathon Scout marks the Grandma's Marathon as a Boston qualifier. Check the current Boston qualifying times and confirm current certification with the race before registering.
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