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.
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.
What is 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 route
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 |
|---|---|---|---|
| 2026 | Saturday, June 20, 2026 | — | — |
Grandma's Marathon FAQ
When is the Grandma's Marathon?
The 2026 Grandma's Marathon is on Saturday, June 20, 2026.
How do I register for the Grandma's Marathon?
You can register for the Grandma's Marathon at raceroster.com.