Snowdonia Trail Eryri 10K - Kidney Wales
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Snowdonia Trail Eryri 10K

11th July 2026

Kick off an unforgettable trail running weekend with the Snowdonia Trail Eryri 10K—an incredible race set in the heart of Eryri National Park.

Starting in the vibrant mountain village of Llanberis, this scenic and fully supported trail run offers runners the chance to experience some of the most breathtaking landscapes in Wales. With views of Yr Wyddfa and the surrounding mountains, this event is the perfect introduction to trail running in one of the UK’s most iconic outdoor locations.

Event Details

  • Date: Saturday 11 July 2026
  • Location: Llanberis, North Wales
  • Distance: 10K (approx. 9.8km)
  • Terrain: Mixed trail (paths, tracks, woodland and mountain terrain)

About the Route

This varied and exciting course has something for everyone. Beginning on a mix of trail and track, the route takes in the lower slopes of Yr Wyddfa before winding through scenic valleys and woodland.

Runners will pass through beautiful forest areas near Dolbadarn Castle and take on the challenging “Zig Zags” climb to the top of Vivian Quarry—before enjoying a rewarding downhill finish through stunning forest trails.

Why Take Part?

The Snowdonia Trail Eryri 10K is the perfect combination of challenge and scenery, offering:

  • Spectacular mountain and woodland views
  • A supportive, fully marshalled course
  • A lively event village with food, music, and entertainment
  • A friendly and inclusive atmosphere for all abilities
  • The chance to be part of a full weekend of trail running events

After crossing the finish line, you can relax and soak up the atmosphere in the event village, or stay on to cheer on runners taking part in the half marathon, marathon, and ultra events the following day.

Fundraise for Kidney Wales

By taking on the Snowdonia Trail Eryri 10K for Kidney Wales, you’ll be helping to support people across Wales living with kidney disease.

Every step you take and every pound you raise helps fund vital support services, raise awareness, and improve lives.

Whether you’re new to trail running or looking for a scenic challenge, you’ll be part of Team Kidney Wales making a real difference.

Kidney Wales have obtained places for this event through Run 4 Charity, each participant must commit to the registration fees below and the minimum fundraising amount.

10K Race – Registration Fee £20 / Minimum Fundraising amount £200

View terms and conditions of Kidney Wales Charity Places with Run 4 Charity – Please review

Enter 10K Race