Half marathonRoad🇰🇷 Gunsan, South Korea

Saemangeum Gunsan International Marathon (Half)

Sunday, 4 April 2027Estimated dateIn 6 months · Start 07:30

Official site

The half of the Gunsan International Marathon, from Wolmyeong Stadium toward the Saemangeum coast.

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Facts checked 11 Oct 2026 against gunsanmarathon.com, finishers.com.

Elevation gain

30 m

Flat · ↓ 30 m

Start altitude

9 m

above sea level, from terrain data

Temp at start

7°C

Peaks around 15°C

Entry fee

≈ $35

Open entry

Finishers

—

typical year

Course

Out and back

Cut-off: check site

Getting thereFly into CJJ (Cheongju), about 108 km from the start

Course map

A detailed route is not available for this race yet. The marker shows the race location.

Elevation profile

Flat: about 30 m of climbing and 30 m of descent. A detailed profile isn’t available for this race yet.

Race-day weather

At start

7°C

Peak during race

15°C

Humidity

69%

Chance of rain

11%

Wind

10 km/h

Race day in past years

Historical averages for 4 April ±3 days, 2016–2025, from 07:30 for 5 hours (70 days sampled). Source: Open-Meteo / ERA5.

What time could you run here?Adjust your goal time for this course’s hills and typical race-day weather.Race time calculator →

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<a href="https://irun42.com/race/gunsan-half" title="Saemangeum Gunsan International Marathon (Half) on iRun42"><img src="https://irun42.com/badge/gunsan-half.svg" width="300" height="120" alt="Saemangeum Gunsan International Marathon (Half): course, elevation and race-day weather on iRun42" /></a>