Jeju, South Korea · October 2 – 4, 2025
TransJeju by UTMB 2025 (Jeju, South Korea) is a trail running event held on October 2 – 4, 2025, with 3 races: Jeju 100M (148km), Jeju 100K (100km), and Jeju 70K (70.0km).
Official websitetransjeju.utmb.world
Other editions of TransJeju by UTMB2026