Seogwipo, Jeju-teukbyeoljachido · Saturday, April 25, 2026
The BLACKYAK TRAIL RUN is a 하프마라톤 (half marathon), 달리기 (running), and 트레일러닝 (trail running) event held on Saturday, April 25, 2026. It is located in Seogwipo, Jejudo [Cheju-do].
Listed as a UNESCO World Heritage site, the island of Jeju, south of South Korea, offers a spectacular natural setting to host the TransJeju by UTMB® 🌋. This official UTMB World Series event invites runners to traverse an island shaped by volcanism, between craters volcanic, ancient lava tubes, forests, and wild coasts. Held in the fall, the race highlights the natural and cultural wealth of Jeju, renowned for its exceptional biodiversity and contrasting landscapes. Several trail formats are offered, allowing everyone to gradually immerse themselves in this unique environment, from discovery trails to long-distance adventures.