Seoul 100K

서울 100K

4.9 (8)
Seoul, South Korea
20 Sep, 2025 (Sat)
Price match guarantee
Registration not open
Official registration partner of Seoul 100K

About the event

The Seoul 100K is a prestigious international ultra-trail running event that seamlessly combines nature and urban adventure in one of the world’s most dynamic cities. This challenging race takes runners on a stunning journey through Seoul’s iconic landscapes, including Bukhansan and Dobongsan mountains, the serene Dulle-gil trails, and the vibrant Han River. The course uniquely integrates lush forests, historic fortress paths, and urban skylines, creating a one-of-a-kind running experience that highlights the harmonious coexistence of Seoul’s natural and metropolitan elements.
Runners can choose from diverse race distances designed to challenge athletes of all levels, while the event’s lively atmosphere is fueled by international participants and enthusiastic local support. Whether navigating rugged mountain trails or crossing bustling cityscapes, Seoul 100K is a celebration of endurance, culture, and the city’s extraordinary blend of tradition and modernity.

Highlights

Unique course that blends mountain trails, city streets, and historic landmarks.

Experience the scenic beauty of Bukhansan and Dobongsan, paired with vibrant urban views.

Enjoy a well-organized international ultra-trail race in one of the world’s most dynamic cities.

Races offered by this event



What’s included in entry

These are included in your entry
Finisher medal
Drink Stations
Bag drop
Timing chip (single use)
Toilets
E-certificate/e-diploma
Nutrition Stations
Changing rooms
Medical Assistance

Frequently Asked Questions

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