Seoul Marathon 2027
Seoul, South Korea
The course
Point-to-point course through central Seoul. Starts at Gwanghwamun Plaza in front of Gyeongbokgung Palace and finishes inside Jamsil Olympic Stadium (1988 Games venue). Mostly flat with long straight city avenues; the one notable climb is the Jamsil Bridge crossing over the Han River around km 34-35. Surface is city roads. Older editions used a loop course; the current course is point-to-point.
Course summary source: fatmarathoner.com
Course map & elevation
No GPS track for this course yet.
We haven't mapped the Seoul Marathon route yet. Elevation data will appear here once a licensed or organizer-verified course map is available.
Training for the Seoul Marathon?
Coach Icarus builds your plan around your fitness, your schedule, and this course's elevation.
Race-week weather
Typical high
14°C
Typical low
2°C
Year-to-year swing
±1.5°C
Rain
1.7 mm/day
Based on 2020-2025 of race-week history, with peak gusts around 19 km/h.
Difficulty
Race facts
- Official race site
- en.seoul-marathon.com ↗
- Start time
- 07:30
- Field size
- 20,000 finishers (2026)
- Boston qualifier
- Yes
Distances: 42.2 km · 10 km
Training for the Seoul Marathon?
Coach Icarus builds your plan around your fitness, your schedule, and this course's elevation.
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