Can I download GPX files for Istria 100 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.

Croatia trail race

Istria 100 by UTMB

Sun, April 4, 2027 · Umag, Istria, Croatia

A long-running Adriatic ultra weekend crossing Istrian hill towns, coastal trails, and inland forest tracks before finishing by the sea.

9 months to go Use the page to compare course demands, choose the right distance, and build a long runway.

Race Overview

Istria 100 by UTMB is a trail race held on Sun, April 4, 2027 in Umag, Istria, Croatia, Croatia. TrailSplits currently includes 3 mapped courses for this event, with course maps, elevation profiles, weather context, and pacing tools for the uploaded GPX data.

9 months to go

Race route lab

Turn 21K 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 7.3 m climb per km.

Find rehearsal route Open training plan