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Grandma's Marathon Race Weekend
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2025 - Grandma's Marathon Race Weekend

Duluth, Minnesota, United States View on map
Jun 21, 2025 (America/Chicago local time)
Running

2025 distances

Running

Grandma's Marathon ($50 team fee plus $500 fundraising)

Earn your entry to the 2025 entry to Grandma's 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 dri-fit race 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! *Participants must agree to meet the $500 minimum fundraising requirement prior to March 1, 2025.

Jun 21, 2025 Marathon 6:45 AM
$50.00
Closed

Fundraiser Only (already have an entry into the 2025 Grandma's Marathon or Garry Bjorklund Half Marathon)

*Fundraising Only: Please note that this category is for fundraisers only. *$500 suggested fundraising minimum *Registering in this category does not include an entry for the Berlin International Marathon

Jun 21, 2025 Marathon 6:45 AM
$50.00
Closed

Race-day weather

Conditions on June 21, 2025 — historical Open-Meteo data.

Temp (°C)
Minimum temperature (recorded on race day) 14.1° / Maximum temperature (recorded on race day) 28.5°
Feels Like (°C)
Minimum feels like — heat index / wind chill (recorded on race day) 14.1° / Maximum feels like — heat index / wind chill (recorded on race day) 34.6°
Peak wind (km/h)
Strongest wind of the day (recorded on race day)
20.8
Precip (mm)
Precipitation over the day (recorded on race day)
12.0mm
Humidity
Mean relative humidity (recorded on race day)
86.0%
Sunrise
Sunrise at the start line on June 21, 2025 (CDT)
Sunset
Sunset at the start line on June 21, 2025 (CDT)
Daylight
Hours between sunrise and sunset on race day
15h 52m

The sun rises at 5:14 AM and sets at 9:06 PM local time (CDT) in Duluth on June 21, 2025 — 15h 52m of daylight.

Course

No course map published yet.

The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.

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Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.

  • Entries, prices, waves and inclusions — the event's official registration page
  • Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
  • Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
  • Comparisons and counts — Race Discovery calendar, 29 Duluth events

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