TransJeju by UTMB

Date: October 17, 2026

Location: Jeju, Jeju-do, South Korea

Distances: 20K, 50K, 100K

Description: TransJeju by UTMB is an exhilarating UTMB World Series event on the volcanic island of Jeju, showcasing diverse trail distances around the UNESCO-listed landscapes. Runners tackle lava fields, coastal paths, and ascents toward Mt. Halla, the island's highest peak, with breathtaking ocean vistas. This race highlights Jeju's unique natural beauty and is a gateway to the global UTMB adventure.

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