제16회 스마일 런 페스티벌 took place on Sun, Sep 13, 2026 in Seoul, South Korea. The main route is 21.1 km.
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- Date
- Sun, Sep 13, 2026
- Start
- Seoul 🇰🇷
- Distance
- 21.1 km
- Level
- Open to all
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Start freeHosted by the Korean Dental Association at Peace Park in Sangam-dong, the Smile Run Festival features half-marathon, 10km, 5km, and walking courses to raise awareness and support for patients with oral cancer and facial deformities.
What this race demands
This half-marathon requires sustained aerobic pacing over a 21.1 km distance to finish efficiently.
Aerobic endurance
The 21.1 km distance requires consistent aerobic output and stamina to maintain pace from start to finish.
Pacing discipline
Managing effort over a half-marathon distance is necessary to avoid early fatigue.
Consume 45–60 grams of carbohydrates per hour to maintain energy levels throughout the duration of the half-marathon.
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 제16회 스마일 런 페스티벌?
제16회 스마일 런 페스티벌 took place on Sun, Sep 13, 2026 in Seoul, South Korea.
How long is 제16회 스마일 런 페스티벌?
The main route is 21.1 km.
What does 제16회 스마일 런 페스티벌 demand?
This half-marathon requires sustained aerobic pacing over a 21.1 km distance to finish efficiently.
Who is 제16회 스마일 런 페스티벌 for?
제16회 스마일 런 페스티벌 is open to all participants.
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