Trail running course through mixed terrain in Wales, GB
Celtic Trail Races

Celtic Trail Races 34 Miles

34 miles·474m gain·Aberdare, United Kingdom
ultra50kmountainforesttrailpoint to pointloop

AI-generated image

Distance34 miles
Gain474m
Date12 Dec 2026
Difficulty4/5

About This Race

The ultimate Celtic Trail challenge covering 34 miles of Wales' most spectacular terrain. With 7 manned checkpoints and a 10-hour time limit, this circular route tests runners across the region's most demanding landscapes.

The ultimate Celtic Trail challenge covering 34 miles of Wales' most spectacular terrain. With 7 manned checkpoints and a 10-hour time limit, this circular route tests runners across the region's most demanding landscapes.

Elevation Profile

Elevation profile estimated from terrain data. Actual course may differ.

The course gains 474m over 55km, with the steepest section between km 71–km 71.

Location

Practical Info

Weather

December conditions in South Wales can include snow, rain, and cold temperatures requiring full winter kit

Nearest Airport

Cardiff Airport (CWL)

Accommodation

On-site accommodation available at Dare Valley Country Park through booking.com, with camping options also offered

Required Gear
  • waterproof jacket
  • hat/cap
  • gloves
  • emergency shelter
  • first aid supplies
  • headlamp
  • whistle

Best For

ultra runnerstrail runnerswinter runners

Notable Features

The Celtic Trail Races offer fully marked winter routes through South Wales' most scenic terrain, featuring comprehensive checkpoint support and generous time limits. The event includes optional coach transport for the linear half marathon, manned checkpoints with refreshments, and finishes with festive celebrations including mince pies and Christmas songs at Dare Valley Country Park.