Marathons in South Korea
11 upcoming races are listed in South Korea, including 7 marathons, 3 half marathons and 3 ultras. The next is Gyeongju Marathon on October 17, 2026.
October has the most races. Race pages link the official source where we have one. Confirm dates and prices with the organizer before you register.
11
Races listed
7
Marathons
October
Busiest month
24 Jul
Last updated
| Date | Race | City | Distances | From |
|---|---|---|---|---|
| 17 Oct 2026 17Oct 26 | Gyeongju Marathon | - | 42.2K | - |
| 19 Oct 2026 19Oct 26 | Séoul International Ultra Trail Running Race | - | Trail 100K · Sky A · Sky B | - |
| 27 Oct 2026 27Oct 26 | High Trail Nine Peaks | - | Ultra · 9 peaks · 5 peaks | - |
| 30 Oct 2026 30Oct 26 | Ulju Trail Nine Peaks - 96K | - | 96K | - |
| 31 Oct 2026 31Oct 26 | Ulju Trail Nine Peaks - 44K | - | 44K | - |
| 1 Nov 2026 01Nov 26 | JTBC Seoul Marathon | Seoul | 42.2K · 10K | KRW 50,000–KRW 70,000 |
| 22 Nov 2026 22Nov 26 | Seoul Half Marathon | - | 21.1K · 10K | - |
| 21 Feb 2027 21Feb 27 | Daegu Marathon | - | 42.2K · 21.1K | - |
| 21 Mar 2027 21Mar 27 | Seoul Marathon | - | 42.2K | - |
| 21 Mar 2027 21Mar 27 | Seoul Marathon | - | 42.2K · 10K | - |
| 4 Apr 2027 04Apr 27 | Saemangeum Gunsan International Marathon | - | 42.2K · 21.1K · 10K | - |
Go a level deeper
Links go down the map, not sideways. Each region and city has its own page of races.
Regions
Cities
Common questions
When is the next race in South Korea?
Gyeongju Marathon on October 17, 2026. The table above lists every upcoming race in date order.
Which months are busiest in South Korea?
October (5), March (2), November (2), counting every upcoming race listed in South Korea.
Which distances can I run in South Korea?
The listed races include 7 marathons, 3 half marathons, 3 ultras, 4 10Ks and 1 5K. Many events offer more than one distance on the same day.
How do I confirm a race’s details?
Open the race page and check its provenance ledger, which shows where each fact came from. Then confirm the date, price and entry rules with the organizer before you register or book travel.
Spotted something wrong on this page?
Dates and prices move · tell us and we check the organizer’s source