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Logo for Tal Y Llyn SWIMRUN (cool)

Tal Y Llyn SWIMRUN (cool)

16 Oct 2021

Organiser's Description

A lap swimrun course of 4.4km stunning trail running, and 600m swimming across Tal Y Llyn, in a beautiful part of Snowdonia National Park. Each lap has 200m height gain. 

You have 4 hours to complete as many laps as you can.

Full details at

This is the "COOL" version, expect water temp. to be around 10/11 degrees Celsius.


  • Marked course of 4.4km trail run (200m height gain per lap)
  • Water safety team on 600m open water swim across Tal Y Llyn
  • ​Aid station every 5km with water, electrolyte & nutrition
  • Swimrun race vest
  • WESWIMRUN swim hat
  • Prizes for most laps in shortest amount of time (male, female, mixed, solo)
  • Race timing (including laps)
  • Event photos
  • Free parking


  • Beautiful and challenging trail running on a mix of terrain
  • Swimming across the stunning glacial ribbon lake of Tal Y Llyn
  • Hidden waterfalls and fun river crossings, all in the midst of Cadair Idris
  • 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
  • 13.00: Finish
  • 13:30: Prizes (1st Team: male, female, mixed, 1st Solo: male, female)

Prizes: Most complete laps in the shortest amount of time in a maximum of 4 hours.


01 Jun 2021£120.00
01 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: 16 Oct 2021

Closing Date: 01 Jun 2021

Status: Closed

Team (COOL)??/20
Solo (COOL)??/50


Mike Alexander



The Tyn Y Cornel Hotel Gwynedd LL36 9AJ