2025 Grandma’s Marathon: Training plans, distance, date, location, and more

Find out all you need to know about the Grandma’s Marathon – including how to choose the best training plan to get race-ready and set a new personal best.

Arial view of the race city.

About the event

Grandma’s Marathon, taking place on June 21, 2025, follows a picturesque route from Two Harbors to Canal Park in Duluth, Minnesota. With 9,000 participants, this race offers both competitive runners and first-timers an unforgettable marathon experience along the shores of Lake Superior. Hosted by Grandma’s Marathon-Duluth, Inc., it’s a staple in the running world, known for its scenic beauty and supportive atmosphere. The weekend also includes fun community events, making it a highlight on the summer calendar.

Date: 

Sat
Jun 21
2025

Location: 

Duluth, United States

Distance

42.2km / 26.2mi

Elevation profile: 

Moderate

Website: 

Link

Elevation gain: 

m /

Number of participants: 

18000

Join 149 people currently training for the Grandma’s Marathon with Runna

Join other runners just like you, currently training for the Grandma’s Marathon with Runna

Start your plan

How to train for Grandma’s Marathon: Grandma’s Marathon training plans for every runner

To train for Grandma’s Marathon, you’ll need a personalized training plan and to build up your weekly mileage progressively.

Runna offers running training plans for every runner and goal out there.

With Runna, your running coaching app, you get a personalized Marathon training plan that:

  • Structures your week and sets out all sessions for you
  • Automatically adjusts your mileage and types of runs to help you perform at your best
  • Incorporates deloads and strength training
  • Helps you manage your recovery and nutrition

Having a plan will also help with accountability, meaning that you can focus purely on improving your running game.

Check out our personalized Marathon training plans to find the one that best suits your goals.

Stories from Runnas

01/05
My first marathon and second ever running race. Sub 3 hour was my goal, but thanks to Runna managed to run a 02:41:49!
Dan C
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User @danrconnell finishing a race with a medal.
02/05
I’m 45 and only started running 12 weeks ago when I downloaded the Runna app.
Just finished my first half marathon - my goal was just to finish it before the 3hr cutoff but I made it in 2 hours 30 mins.
Somaclay
Sunshine Coast Half Marathon
User @somaclay finishing a race with a medal.
03/05
Completed my first ever marathon. I had never run more than 5km before the start of this year.
Through training with Runna since January, I’m so proud to say I’ve completed a marathon in 3hr37min
Sathi
Richmond Run-fest Marathon
User @sathi6 finishing a race with a medal.
04/05
From struggling to run 5km to running our first half marathon within 6 months of training using Runna! Loved every second of it.
Sara C
Belfast Half Marathon
User @saramcclements finishing a race with a medal.
05/05
Trained with Runna for 16 weeks to complete my first 250km ultramarathon in Tanzania in 37 hours
Henry G
Ultra X Tanzania 250
User @henry_galligan finishing a race with a medal.

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Grandma’s Marathon FAQ: All you need to know about the Grandma’s Marathon

What is the Grandma’s Marathon?

Grandma’s Marathon distance: How long is the Grandma’s Marathon?

Where does the Grandma’s Marathon take place?

When is Grandma’s Marathon?

When is the next Grandma’s Marathon?

What’s the elevation gain of the Grandma’s Marathon?

How can I prepare for the 2025 Grandma’s Marathon?

How do I choose the right training plan for the 2025 Grandma’s Marathon?

How can I register for the Grandma’s Marathon?

If you are an official race organiser with any questions about this page, please get in touch: races@runna.com

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Take your running to the next level

Your personalized running coach with tailored training plans to achieve your goals, from running a faster 5k to finishing your first marathon.

Download on the App Store.
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Get Started
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First week free. Cancel anytime.
Scan to get started
Download on the App Store.
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First week free. Cancel anytime.
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