WRC
-->
www.kormarathon.com

Newsis Sea Marathon 2026

South Korea flag
Incheon, Incheon, South Korea

calendar_today 24 Oct, 2026

directions_run Running

language Official Website

sell $33.30 – $37.00

Register Now
Newsis Sea Marathon 2026

About the Event

The Newsis Sea Marathon 2026, set for October 24, 2026, invites runners of all levels to experience the coastal beauty of Incheon. Participants can choose from three distances: a challenging half marathon (21.1K), a scenic 10km run, or a family-friendly 5km route.

Races Offered

10km

Oct 24, 2026

straighten

Distance — 10K

terrain

Type — Running

timer

24 days remaining

sell

$ 37.00

5km

Oct 24, 2026

straighten

Distance — 5K

terrain

Type — Running

timer

24 days remaining

sell

$ 33.30

Half

Oct 24, 2026

straighten

Distance — 21.1K

terrain

Type — Running

timer

24 days remaining

sell

$ 37.00

Weather History

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

thermostat Temperature
11.2° / 19.7°
wb_sunny Feels like
9.2° / 18.7°
light_mode Avg sunshine hours
7h 12m
water_drop Avg rainfall
2.6 mm
ac_unit Avg snowfall
—
air Avg wind speed
9.2 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
76.7%
wb_twilight Sunrise
06:41
nightlight Sunset
17:55

Hotels & Places to Stay

Things to Do Nearby

Tours and activities near Incheon, powered by Viator.

Loading nearby tours and activities…

Runner Reviews

Read what other athletes have to say about their experience at the Newsis Sea Marathon 2026.

No reviews yet

Be the first to share your experience with the community!

Suggest an edit

Spotted an error or missing detail about the Newsis Sea Marathon 2026? Help us improve.

Nearby Races

Explore other exciting events happening in this same region.

SMTOWN RUN CLUB 26

SMTOWN RUN CLUB 26

location_on Incheon, Incheon, KR

calendar_today Oct 03, 2026

10K
2026 Yeonsu Dream Link Run

2026 Yeonsu Dream Link Run

location_on Incheon, Incheon, KR

calendar_today Oct 10, 2026

5K 10K
2026 Incheon Robot Land Future Run

2026 Incheon Robot Land Future Run

location_on Incheon, Incheon, KR

calendar_today Oct 11, 2026

5K 10K
Disney Run 2026 Incheon

Disney Run 2026 Incheon

location_on Incheon, Incheon, KR

calendar_today Oct 24, 2026

5K 10K

Recommended for You

Hand-picked events we think you’ll love.

Joe Monda XC Classic

Sep 30, 2026

Joe Monda XC Classic

Read more
MSAL League Championship

Sep 30, 2026

MSAL League Championship

https://co.milesplit.com/meets/774463-msal-league-xc-championship-2026

Read more
Miles for Mudcutters

Sep 30, 2026

Miles for Mudcutters

Miles for Mudcutters Virtual 5K Run Anywhere. Support the Trails We All Use. The Miles for Mudcutters Virtual 5K is a c…

Read more
SAC HS Jamboree #2 at Bridgman

Sep 30, 2026

SAC HS Jamboree #2 at Bridgman

Read more

Get race deals & updates

Subscribe to our newsletter for curated race picks and discounts.