2025 Seoul Marathon: Training plans, distance, date, location, and more

Find out all you need to know about the Seoul 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

The Seoul Marathon, set for March 16, 2025, is organized by the Seoul Marathon Organizing Committee. Known for its flat and fast course, the marathon takes runners through iconic sites such as Gwanghwamun Square and the Jamsil Sports Complex, offering a blend of cultural and modern Seoul. This event is one of Asia’s oldest and most celebrated marathons, attracting participants from around the globe. The race supports various community and environmental initiatives, making it a significant event on the international marathon calendar.

Date: 

Sun
Mar 16
2025

Location: 

Seoul, South Korea

Distance

42.2km / 26.2mi

Elevation profile: 

Flat

Website: 

Link

Elevation gain: 

m /

Number of participants: 

Join 135 people currently training for the Seoul Marathon with Runna

Join other runners just like you, currently training for the Seoul Marathon with Runna

Start your plan

How to train for Seoul Marathon: Seoul Marathon training plans for every runner

To train for Seoul 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
San Sebastián Marathon
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.

Take your running to the next level

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Seoul Marathon FAQ: All you need to know about the Seoul Marathon

What is the Seoul Marathon?

Seoul Marathon distance: How long is the Seoul Marathon?

Where does the Seoul Marathon take place?

When is Seoul Marathon?

When is the next Seoul Marathon?

What’s the elevation gain of the Seoul Marathon?

How can I prepare for the 2025 Seoul Marathon?

How do I choose the right training plan for the 2025 Seoul Marathon?

How can I register for the Seoul 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.
Download Runna on the Google Play Store.
QR code for downloading the Runna app.
Get Started
Is Runna right for me?
First week free. Cancel anytime.
Scan to get started
Download on the App Store.
Download Runna on the Google Play Store.
QR code for downloading the Runna app.
First week free. Cancel anytime.
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