Course
100 km100 km
52 km52 km
20 km20 km
Key dates
- ★Race dayOctober 2027 · date to be announced
Provisional date, projected from last year — the organiser has not announced this edition yet. We show the month only.
About
Explore the stunning landscapes of Jeju Island at the TransJeju by UTMB® race. This challenging ultra-marathon traverses the volcanic terrain, offering runners breathtaking views and a truly immersive experience in nature. Whether you're a seasoned ultra-runner or seeking a new adventure, this event promises an unforgettable journey through one of South Korea's most captivating destinations.
Your next race, seen from above.
Save TransJeju by UTMB to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
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Save TransJeju by UTMB to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
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A confirmed date shows its day; a provisional one shows only its month, because we won't claim a day we don't have. This page is rebuilt every night from the RunCalendar catalogue.