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Marathon directory

Marathons in South Korea

16 upcoming marathons in South Korea across 1 city. Next: Jangsu Night Trail - 37K on August 15, 2026.

16marathons upcoming
1city
August 15, 2026Next race
5distance types
South Korea
15AUG
42.2K
High1 Skyrace
South Korea
August 15, 2026 AUG
South Korea
15AUG
42.2K
Jangsu Night Trail - 37K
South Korea
August 15, 2026 AUG
South Korea
17SEP
ULTRA
Korea Trans 308K - 312K
South Korea
September 17, 2026 SEP
South Korea
18SEP
42.2K
Chuncheon Marathon
South Korea
September 18, 2026 SEP
South Korea
02OCT
ULTRA
TransJeju by UTMB®
South Korea
October 2, 2026 OCT
South Korea
17OCT
42.2K
Gyeongju Marathon
South Korea
October 17, 2026 Certified
South Korea
19OCT
ULTRA
Séoul International Ultra Trail Running Race
South Korea
October 19, 2026 OCT
South Korea
27OCT
ULTRA
High Trail Nine Peaks
South Korea
October 27, 2026 OCT
South Korea
30OCT
ULTRA
Ulju Trail Nine Peaks - 96K
South Korea
October 30, 2026 OCT
South Korea
31OCT
42.2K
Ulju Trail Nine Peaks - 44K
South Korea
October 31, 2026 OCT
Seoul, South Korea
01NOV
42.2K
JTBC Seoul Marathon
Seoul, South Korea
November 1, 2026 BQ Qualifier
South Korea
22NOV
21.1K
Seoul Half Marathon
South Korea
November 22, 2026 NOV
South Korea
21FEB
42.2K
Daegu Marathon
South Korea
February 21, 2027 FEB
South Korea
21MAR
42.2K
Seoul Marathon
South Korea
March 21, 2027 Certified
South Korea
21MAR
42.2K
Seoul Marathon
South Korea
March 21, 2027 MAR
South Korea
04APR
42.2K
Saemangeum Gunsan International Marathon
South Korea
April 4, 2027 APR

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Regions

Place Marathons
Seoul 1

Cities

Place Marathons
Seoul 1

Planning notes for South Korea

Use this country page to shortlist 16 upcoming races by date, distance, registration path, and official source.

  • Next raceJangsu Night Trail - 37K on August 15, 2026
  • Busy monthsOctober (6), August (2), March (2)
  • DistancesMarathon, Half marathon, Ultra, 10K, 5K
  • VerifyOpen each race page, then confirm details from its official, registration, course-map, or source link.

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