2026 Grandma's Marathon Race Weekend
Sat, Jun 20, 2026, 6:45 AM CDT
- Location
- Duluth, MN
- 350 Harbor Dr, 55802
- Type
- RUN
Sign up and verify details on the organizer’s official page.
Profile in progress
More event insights are on the way. Additional race details are being prepared—check back soon, and always confirm timing and logistics on the official registration page.
At a glance
Who it's for
- Military & First Responders
Military & First RespondersPerks & features
- Shirt
- Swag Included
Shirt
Swag IncludedFrom the public listing — confirm on the official site.
Auto-drafted from the public listing — confirm details on the official event page before signing up.
Distances & registration
5 optionsRegistration for all distances is through the official signup link above.
- 26.2 Miles
Sat, Jun 20, 6:45 AM CDT · From $53.00
Opens Sep 29, 2025, 10:01 PM CDT · Closes Jun 19, 2026, 9:59 PM CDT
- 26.2 Miles
Sat, Jun 20, 6:45 AM CDT · From $53.00
Opens Sep 29, 2025, 10:01 PM CDT · Closes Jun 19, 2026, 9:59 PM CDT
Garry Bjorklund Half Marathon ($50 Team Fee plus $…
Sat, Jun 20, 6:45 AM CDT · From $53.00
Opens Sep 30, 2025, 10:47 AM CDT · Closes Jun 20, 2026, 7:59 PM CDT
+ 2 more optionsHide
William A. Irvin 5K ($50 Team Fee plus $500 fundra…
Fri, Jun 19, 1:00 PM CDT · From $53.00
Opens Oct 2, 2025, 4:05 AM CDT · Closes Jun 19, 2026, 7:59 PM CDT
Great Grandma's Challenge - 5K and Marathon - ($50…
Fri, Jun 19, 1:00 PM CDT · From $53.00
Opens Oct 2, 2025, 4:05 AM CDT · Closes Jun 19, 2026, 7:59 PM CDT
The course
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From the organizer
Earn your entry to the 2026 entry to Grandma's Marathon or the Garry Bjorklund Half Marathon by raising funds and awareness for 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.
Today. Tomorrow. Together.
To learn more about Semper Fi & America's Fund please visit thefund.org.
What are the benefits of joining the Semper Fi & America's Fund Team?
Complimentary entry to Grandma's Marathon or Garry Bjorklund Half Marathon
A training shirt, a race day shirt and runner's goodie bag!
An online fundraising link set up by RunSignUp.com that you can send to your donors.
Timely updates from our Race Coordinator.
Prizes for the top fundraisers!
The heartfelt thanks of the injured Marines, Sailors, Airmen and Soldiers you will be supporting!