서울레이스 takes place on Sun, Oct 11, 2026 in Seoul, South Korea. The main route is 21.1 km.
- Date
- Sun, Oct 11, 2026
- Start
- Seoul 🇰🇷
- Distance
- 21.1 km
- Level
- Open to all
Toe the line at 서울레이스 in your best shape
A training plan built around your fitness and this race, adapted every day as your form changes. Attach the course and it prepares for the climbs too.
Start freeFree to start · No credit card
The Seoul Race is a premier running event featuring half-marathon and 11km courses through the heart of Seoul.
What this race demands
This half-marathon covers 21.1 kilometers through the heart of Seoul in October, requiring sustained aerobic endurance over a standard distance.
Aerobic endurance
Covering 21.1 kilometers demands a well-developed aerobic engine capable of maintaining a steady pace over a prolonged duration.
Pacing discipline
The half-marathon distance requires an even distribution of effort from start to finish to avoid early fatigue.
Aim for 30 to 60 grams of carbohydrates per hour to maintain energy output throughout the half-marathon effort.
What would it take you?
Pick the level closest to yours for an estimate of finish time on this course and the training a solid preparation needs.
Estimated finish
1:45–2:10
Peak-week training
5–7 h/week
A model estimate from distance, climbing and level, not a promise. Conditions, drafting and pacing move it.
IntervalCoach turns those weekly hours into a concrete plan built around your actual fitness. Start with this race as your goal
Frequently asked questions
When is 서울레이스?
서울레이스 takes place on Sun, Oct 11, 2026 in Seoul, South Korea.
How long is 서울레이스?
The main route is 21.1 km.
What does 서울레이스 demand?
This half-marathon covers 21.1 kilometers through the heart of Seoul in October, requiring sustained aerobic endurance over a standard distance.
Who is 서울레이스 for?
서울레이스 is open to all participants.
Similar races
Organising this race?