
Sponsored
Gamseong Run 2026
View details

Once the race has taken place, you can share what you noticed about the course, organization, and on-site experience. Your race-day experience can guide the next runner and help organizers build a better event.
Event Date
September 20, 2026 (Sun)
Region · Venue
Seoul · 암사동 유적 앞 특설무대
Registration Period
Jun 08, 2026–Jun 15, 2026
Category · Fee
걷기
We invite you to the 20th Seonsa Marathon Festival, scheduled to be held on Sunday, September 20, 2026. The race will start at 9:00 AM, so please arrive by 8:00 AM. This special marathon festival will take place in front of the Amsa-dong ancient site in Seoul.
Registration is open on a first-come, first-served basis. For Gangdong-gu residents, registration begins on Monday, June 8th, at 10:00 AM for the first 1,000 participants. For the general public, registration starts on Thursday, June 11th, at 10:00 AM for the first 1,800 participants. Please register early as spots may fill up quickly.
The event features various categories including Half Marathon, 10km, 5km, and a 5km Walk. All participants will receive a race bib and a timing chip, and finishers will be awarded a certificate and a medal. A lightweight running jacket (windbreaker) will be provided in advance as a participation souvenir.
Organized and hosted by the Gangdong-gu Athletics Federation, the event is supported by sponsorships from Gangdong-gu Office, Gangdong-gu Sports Council, Woori Bank, Ilhwa Co., Ltd., and Chamjalam Korean Medicine Hospital. Teams of 30 or more participants will receive benefits such as a group booth and a team banner on the event day.
For the safety of all participants, each course has a time limit. After the time limit, road closures will be lifted, so please follow the instructions of the staff for a safe return. Timing will be conducted for all courses, and mobile race certificates will be sent via text message.

Everything you need to know about LSD (Long Slow Distance) training — what it is, why it works, how to set your pace, and how to fit it into your weekly schedule.

Temperatures above 30°C (86°F) don't have to mean skipping runs. From the science of heat stress to optimal timing, hydration strategy, and heat acclimatization — a complete breakdown of how to keep training through summer without getting hurt.
Official Notice and Precautions
• The information displayed on this page is based on materials submitted by the event organizer and publicly available information.
• Details such as schedule, venue, participation fees, and benefits are subject to change. Please verify all final details directly with the event organizer.
• KorMarathon is a simple information platform and does not participate in the actual operation, payment, refund, etc. of each event, and does not assume any legal responsibility.
• Registration may close early on a first-come, first-served basis. Please be sure to verify final details such as links, refund policies, and souvenirs in each event's official notice.