Logo for Tal Y Llyn SWIMRUN


12 Jun 2021

Organiser's Description

A lap swimrun course of 4km stunning trail running, and 1.1km swimming across Tal Y Llyn, in a beautiful part of Snowdonia National Park. Each lap has 200m height gain. 

You have 6 hours to complete as many laps as you can.

Full details at weswimrun.org/SWIMRUN


  • Marked course of 4km trail run (200m height gain per lap)
  • Water safety team on 1km open water swim across Tal Y Llyn
  • ​Aid station every 5km with water, electrolyte & nutrition
  • Swimrun race vest
  • Prizes for most laps in shortest amount of time (male, female, mixed, solo)
  • Race timing (including laps)
  • Event photos
  • A SWIM SECURE Waterproof Phone Bag
  • Useful event goodies
  • Free parking
  • Demo kit available to hire


  • Beautiful and challenging trail running on a mix of terrain
  • Swimming across the stunning glacial ribbon lake of Tal Y Llyn
  • A chance to set the record for most amount of laps in 6 hours
  • A unique swimrun race in itself, and a chance to get swimrun-ready for what will be a fantastic 2021 season
  • Complete 6 or more laps if you are taking on the full OtillO Engadin or BRECA Coniston
  • Hidden waterfalls and fun river crossings, all in the midst of Cadair Idris
  • Access to Mike's selection of swimrun demo wetsuits, and his wealth of knowledge & experience on all that is swimrun
  • There will be prizes for the most laps within 6 hours in the shortest amount of time
  • An adventurous and fun day out - go all out for the record, or just enjoy swimrunning through this beautiful part of the world


  • 07:30 - 08:30: Registration at The Tyn Y Cornel Hotel
  • 08.45: Route and safety brief
  • 09:00: Start
  • 15.00: Finish
  • 15:30: Prizes (Team: male, female, mixed, Solo: male, female)

Prizes: Most complete laps in the shortest amount of time in a maximum of 6 hours.


14 Feb 2021£100.00
06 Jun 2021£120.00
14 Feb 2021£60.00
06 Jun 2021£70.00
To sign-up for this event, the Service Fee is 4% (min 50p) for each sign-up

Dates and Status

Date: 12 Jun 2021

Closing Date: 06 Jun 2021

Status: Open



Mike Alexander



The Tyn Y Cornel Hotel Gwynedd LL36 9AJ