Indonesia trail race

Trail of the Kings - Lake Toba by UTMB

June 13-14, 2026 · Samosir, Lake Toba, Indonesia

A tropical volcanic-caldera race weekend on Samosir Island, with humid climbs, forest tracks, lake views, and long exposed ridges above Lake Toba.

7 days to go Final checks: weather, shoes, kit, transport, aid-station timing, and conservative pacing.

Race Overview

Trail of the Kings - Lake Toba by UTMB is a trail race held on June 13-14, 2026 in Samosir, Lake Toba, Indonesia, Indonesia. TrailSplits currently includes 4 mapped courses for this event, with course maps, elevation profiles, weather context, and pacing tools for the uploaded GPX data.

7 days to go

Race tools — Caldera Crown 100K

June 13-14, 2026

7 days to go

Selected distance

Free training plan — Caldera Crown 100K

Vert-focused blueprint with route-finder links into the Planner.

Caldera Crown 100K plan 101.2 km · 4205 m D+

3D Trail Preview

Course map — Caldera Crown 100K

Interactive MapLibre preview with the official GPX track.

Min Max

Elevation profile — Caldera Crown 100K

Based on the official GPX track.

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Analyze this route in the Planner

Load the GPX directly into TrailSplits for surface analysis and terrain intel.