Yr Wyddfa Ultra 50
Running · Ultra Marathon

Yr Wyddfa Ultra 50

A challenging 50-mile mountain ultra marathon through the stunning Snowdonia National Park.

Sat, 5 Sep 2026 Snowdon Mountain Railway Caernarfon , Gwynedd
The Yr Wyddfa Ultra 50 is a premier mountain ultra marathon that tests the limits of endurance runners. Taking place on September 5, 2026, this 50-mile race features significant elevation gain and takes participants through the breathtaking landscapes of Snowdonia National Park. Organized by GB Ultras, the event is renowned for its challenging climbs and epic scenery. It is a must-do for experienced ultra runners looking for a tough and rewarding mountain challenge.

What to Expect

A demanding ultra marathon with technical trails and significant mountain climbing.

Who Should Attend

  • Ultra runners
  • Endurance athletes
  • Mountain runners

Agenda Overview

Race day featuring a 50-mile course through Snowdonia.
Venue & Address
Snowdon Mountain Railway
Llanberis
Caernarfon , Gwynedd
United Kingdom
Organizer
GB Ultras · Event Organizer
Specialists in organizing challenging ultra marathon events across the UK.

Frequently Asked Questions

What is the distance?
50 miles.
Where is it held?
Snowdonia National Park, starting in Llanberis.
When is the race?
September 5, 2026.
Is it for experienced runners?
Yes, it is a challenging mountain ultra marathon.
Who organizes it?
GB Ultras.
What is the elevation gain?
Over 3,000 meters of ascent.
Tags
Ultra Marathon Running Snowdonia Wales Sports
Summary
A 50-mile mountain ultra marathon in Snowdonia.
Highlights
  • 50-mile distance
  • Significant elevation gain
  • Snowdonia National Park
  • Challenging mountain terrain
  • GB Ultras event
  • Epic scenery
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