United Kingdom trail race

Dragon's Back Race

September 7-12, 2026 · Conwy Castle → Cardiff

A 6-day stage race along the mountainous spine of Wales. 380 km from Conwy Castle in the north to Cardiff Castle in the south. The ultimate UK mountain challenge.

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

Race Overview

Dragon's Back Race is a trail race held on September 7-12, 2026 in Conwy Castle → Cardiff, United Kingdom. TrailSplits currently includes 7 mapped courses for this event, with course maps, elevation profiles, weather context, and pacing tools for the uploaded GPX data.

7 weeks to go

Race route lab

Turn 383K 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 44.6 m climb per km.

Race tools — 383K

September 7-12, 2026

7 weeks to go

Selected distance

Free training plan — 383K

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

383K plan 383.2 km · 17083 m D+

3D Trail Preview

Course map — 383K

Interactive MapLibre preview with the official GPX track.

Min Max

Elevation profile — 383K

Based on the official GPX track.

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Historical Results (2025)

Dragon's Back Race 383K — 2025 edition. 200 finishers.

🏆 Winner
38h 00m
📊 Median
55h 00m
50th percentile
👥 Finishers
200
⚡ DNF Rate
40%
High DNF rate
⚠️ With a 40% DNF rate, this is a demanding race. Respect the cutoffs and have a realistic pacing plan.

Analyze this route in the Planner

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