In 275 days · Fri, Jun 18, 2027
Don't let race day sneak up
One email during race week. That's it.
Friday, June 18th, 2027
350 Harbor Dr, Duluth MN
Marathon
54–69°F · some rain risk
See last 10 years
On this date: rain 2 of the last 10 years
2026
51–64°F
dry
2025
60–77°F
dry
2024
53–77°F
rain
2023
52–65°F
dry
2022
48–61°F
dry
2021
65–80°F
dry
2020
68–79°F
dry
2019
48–59°F
dry
2018
60–73°F
dry
2017
57–67°F
rain
Best months to race in Minnesota →
About this race
Race Overview
Earn your entry to the 2027 Grandma's Marathon, Garry Bjorklund Half Marathon, or William A. Irvin 5K by raising funds and awareness for Semper Fi & America's Fund.
About Semper Fi & America's Fund
Semper Fi & America’s Fund cares for our nation’s critically wounded, ill, and injured service members, veterans, and military families. Supporting all branches of the U.S. Armed Forces, we provide one-on-one case management, connection, and lifetime support.
Our Commitment
Today. Tomorrow. Together.
Learn More
To learn more about Semper Fi & America's Fund please visit thefund.org.
Benefits of Joining the Team
- Complimentary Entry: Complimentary entry to Grandma's Marathon or Garry Bjorklund Half Marathon.
- Runners' Gear: A training shirt, a race day shirt, and runner's goodie bag!
- Fundraising Support: An online fundraising link set up by RunSignUp.com that you can send to your donors.
- Updates: Timely updates from our Race Coordinator.
- Prizes: Prizes for the top fundraisers!
- Heartfelt Thanks: The heartfelt thanks of the injured Marines, Sailors, Airmen, and Soldiers you will be supporting!
Event Details
Date: 2027-06-18
Location: 350 Harbor Dr, Duluth, MN
More Information: Grandma's Marathon Race Weekend
Course map
Hotels for race weekend
Live prices near the start line, Jun 17 – 19, 2027.
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