Grandma's Marathon Weekend Races 2026
| 📍 | Duluth, Minnesota, United States |
| 🏃 | Road |
| 📏 | 5 km, 21 km, 42 km |
| 📅 | Saturday, 20 June 2026 |
Grandma's Marathon Weekend Races 2026 takes place on June 20, 2026, in Duluth, Minnesota. Participants can expect typical June weather in Duluth, which often features mild temperatures and varying conditions near the water, making it important to prepare for potential shifts in humidity or breeze from Lake Superior. This road marathon event offers a scenic experience for runners, characterized by a point-to-point route that follows the shoreline of Lake Superior.