COOL MILE, Tal Y Llyn
A chance to race in Llyn Mywngil, Tal Y Llyn. A stunning glacial ribbon lake situated at the foot of one of Wales' most iconic mountains, Cadair Idris, in Snowdonia National Park.

Results_Oct_2024.pdf | |
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Sat 05 Apr 2025
Race HQ: Tyn Y Cornel Hotel
Start: 10am
Start: 10am
COOL MILE, Liverpool!
Yes the legendary cool mile is coming to Princes Dock, Liverpool on Sat 02 Nov!
COOL MILE, 12 Apr 2025, Liverpool
Sat 12 APRIL 2025
A 1 mile swim in water temp around 11 degrees Celsius.
- Registration: 09:30 to 10:00
- In water acclimatisation allowed: 10:10 to 10:19
- Swim start: 10:20am
- If you can swim 1km within 30 minutes you'll make any cut off in place
Location on Google maps here.
Sat 12 APRIL 2025
April 2024

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Oct 2023
Official temperature 10.1 degrees Celsius.
Overall top 3 included 2 wetsuit swimmers, 1 skins swimmer, and two 16 or under. All female.
- Macey Lyle
- Helen Hislop
- Ellie Boyes
The Merch
Certified Organic Cotton. Wash cool, hang dry. Printed in the UK with low waste printing tech. Made in a renewable energy powered factory audited for a wide range of social and sustainability criteria. Custom made to order.
Two Miles, June
A relatively tropical two miles in June 2023!
April 2023
What a battle at the front of the pack between Macey Lyle, from Wellington Swimming Club, and Jake Scott. Real drama on the lake! Well done to all who took on the challenge of swimming 1 mile in 10 degree water.
OUR RECOMMENDED ACCOMMODATION
- The Tyn Y Cornel Hotel (2 night minimum stay)
- Dol Einion Campsite
- Cedris Farm Campsite
- The Old Vicarage B & B
PARKING
We recommend the all day parking (£5) or overnight parking (£10) available at the Pen Y Bont Hotel, 1 minute's walk away. For those that have booked into the Tyn Y Cornel Hotel for a meal or accommodation then there is Hotel parking.
The nearest campsite is Dol Einion Campsite, 40 mins walk away/5 mins drive. Phone 01654 761 312 to book.
If you can please car share.
We recommend the all day parking (£5) or overnight parking (£10) available at the Pen Y Bont Hotel, 1 minute's walk away. For those that have booked into the Tyn Y Cornel Hotel for a meal or accommodation then there is Hotel parking.
The nearest campsite is Dol Einion Campsite, 40 mins walk away/5 mins drive. Phone 01654 761 312 to book.
If you can please car share.
05 NOV 2022
Results & photos below, well done to all.
Results & photos below, well done to all.

Nov_2022_Results.pdf | |
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FAQs
Do I have to wear a tow-float?
Mandatory for skins swimmers. Available to purchase at registration.
Can I get out after the first lap?
For our swims that involve laps, you can get out after any lap.
Can I wear neoprene gloves/boots/hat and still qualify as a skins swimmer?
Officially skins swimmers wear no neoprene. To receive a top 3 skins swimmer prize you are not allowed neoprene. Other than for the podium places, we are relaxed about neoprene on swimmers' hands/feet/head.
Obviously, swimmers in the wetsuit category are allowed to wear wetsuits.
Will have enough time to faff and then acclimatise?
Yes between 09:30 and 09:59
Will there be medals?
We've only ever given out useful, or edible, "medals".
Can I buy a T Shirt?
Yes, they are made to order by Teemill. You can order here.
Do I have to wear a tow-float?
Mandatory for skins swimmers. Available to purchase at registration.
Can I get out after the first lap?
For our swims that involve laps, you can get out after any lap.
Can I wear neoprene gloves/boots/hat and still qualify as a skins swimmer?
Officially skins swimmers wear no neoprene. To receive a top 3 skins swimmer prize you are not allowed neoprene. Other than for the podium places, we are relaxed about neoprene on swimmers' hands/feet/head.
Obviously, swimmers in the wetsuit category are allowed to wear wetsuits.
Will have enough time to faff and then acclimatise?
Yes between 09:30 and 09:59
Will there be medals?
We've only ever given out useful, or edible, "medals".
Can I buy a T Shirt?
Yes, they are made to order by Teemill. You can order here.
Cool Mile Course Records
- 22m 05s David Johnston (wetsuit), April 2022
- 24m 20s Emily Jevons (skins), Nov 2019
03 JUL 2022
For the 5th Anniversary of Tal Y Llyn Swim we had a 2km and 4km race.
For the 5th Anniversary of Tal Y Llyn Swim we had a 2km and 4km race.
02 APR 2022
The warmest COOL MILE to date! Photos and results from below.
The warmest COOL MILE to date! Photos and results from below.

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The first Tal Y Llyn swim was held in 2018. Read more about the lake and the hamlet of Tal Y Llyn here.
2021 RESULTS

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COOL_KM_Results.pdf | |
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Event photos here.