www.kormarathon.com

2026 Seosan Cosmos Golden Fields Marathon

Name: 2026 Seosan Cosmos Golden Fields Marathon
Start: 2026-10-03
End: 2026-10-03
Location: Chungnam

Chungnam, Chungcheongnam-do, South Korea

calendar_today 03 Oct, 2026

directions_run Running

language Official Website

sell $14.80 – $33.30

About the Event

The 2026 Seosan Cosmos Golden Fields Marathon returns to Chungnam on October 3, 2026, offering runners the chance to experience diverse distances. Participants can choose from a scenic 10km route, a shorter and equally charming 5km option, or challenge themselves with the half marathon course covering 21.1 kilometers.
Contestants will immerse themselves in the beauty of Seosan while enjoying well-marked trails suitable for all levels of runners.

Races Offered

10km

Oct 03, 2026

straighten

Distance — 10K

terrain

Type — Running

timer

5 days remaining

sell

$ 33.30

5km

Oct 03, 2026

straighten

Distance — 5K

terrain

Type — Running

timer

5 days remaining

sell

$ 14.80

Half

Oct 03, 2026

straighten

Distance — 21.1K

terrain

Type — Running

timer

5 days remaining

sell

$ 33.30

Weather History

These values represent the 3-year monthly averages for October in Chungnam.

thermostat Temperature

10.8° / 20.0°

wb_sunny Feels like

9.5° / 19.3°

light_mode Avg sunshine hours

7h 28m

water_drop Avg rainfall

2.8 mm

ac_unit Avg snowfall

—

air Avg wind speed

7.4 km/h (Light breeze)

opacity Sweat loss rate

Moderate

terrain Course conditions

Firm and slightly soft

sunny Max UV Index

Moderate (4.0)

humidity_mid Humidity

80.6%

wb_twilight Sunrise

06:40

nightlight Sunset

17:55

Runner Reviews

Read what other athletes have to say about their experience at the 2026 Seosan Cosmos Golden Fields Marathon.

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2026 Seosan Cosmos Golden Fields Marathon

About the Event

Races Offered

10km

5km

Half

Weather History

Hotels & Places to Stay