Name: 2027 Grandma's Marathon Race Weekend
Start: 2027-06-18
End: 2027-06-19
Location: Duluth

About the Event

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!

Races Offered

Great Grandma's Challenge - 5K and Marathon - ($50 team fee plus $1250 fundraising)

Jun 18, 2027

straighten

Distance — 5K

terrain

Type — Running

timer

13:00

sell

$75.00

William A. Irvin 5K ($50 Team Fee plus $500 fundraising)

Jun 18, 2027

straighten

Distance — 5K

terrain

Type — Running

timer

13:00

sell

$75.00

Fundraiser Only (already have an entry into the 2027 Grandma's Marathon or Garry Bjorklund Half Marathon)

Jun 19, 2027

straighten

Distance — 42.2K

terrain

Type — Running

timer

06:45

sell

$75.00

Garry Bjorklund Half Marathon ($50 Team Fee plus $750 fundraising)

Jun 19, 2027

straighten

Distance — 21.1K

terrain

Type — Running

timer

06:45

sell

$75.00

Grandma's Marathon ($50 team fee plus $750 fundraising)

Jun 19, 2027

straighten

Distance — 42.2K

terrain

Type — Running

timer

06:45

sell

$75.00

Weather History

These values represent the 3-year monthly averages for June in Duluth.

thermostat Temperature

12.7° / 21.8°

wb_sunny Feels like

10.7° / 21.0°

light_mode Avg sunshine hours

11h 21m

water_drop Avg rainfall

3.9 mm

ac_unit Avg snowfall

—

air Avg wind speed

11.4 km/h (Light breeze)

opacity Sweat loss rate

Moderate

terrain Course conditions

Firm and slightly soft

sunny Max UV Index

Moderate (5.6)

humidity_mid Humidity

74.7%

wb_twilight Sunrise

05:15

nightlight Sunset

21:02

About Duluth

Learn more about the host city, Duluth.

Duluth is a city of about 86,000 people (2018) in northern Minnesota. It is one of the most scenic cities in the Midwest. Duluth has a thriving tourism industry, with antique shops, excellent restaurants, cozy inns, and scenic views of the lake. There is a ski resort inside city limits.