Can I download GPX files for TransJeju by UTMB?

Yes. TrailSplits race pages link to available GPX tracks for mapped distances, plus planner and 3D flyover links.

What race planning tools are included?

Race pages include mapped course previews, elevation profiles, aid-station tables where available, cut-off and pacing tools, weather context, print maps, free training plans, and 3D flyovers.

South Korea trail race

TransJeju by UTMB

Sat, October 3, 2026 · Jeju Island, South Korea

A Korean island ultra around Jeju with volcanic terrain, Hallasan-area climbing, coastal humidity, and strong Asia-Pacific trail demand.

11 weeks to go Good timing for course research, travel planning, terrain-matched long runs, and a structured build.

Race Overview

TransJeju by UTMB is a trail race held on Sat, October 3, 2026 in Jeju Island, South Korea, South Korea. TrailSplits currently includes 4 mapped courses for this event, with course maps, elevation profiles, weather context, and pacing tools for the uploaded GPX data.

11 weeks to go

Race route lab

Turn Jeju 100K into a local rehearsal route

Open the official GPX in Planner, then choose a nearby start point to build a shorter loop that matches the course demand. This course averages about 38.5 m climb per km.

Find rehearsal route Open training plan