Sat 5 Jul 2025 Caernarfon, Gwynedd, UK

The Big Welsh Swim | 500M

With sunning views, ride the historic stream train down the side of the lake to start your swim!

  • Sat 5 Jul 2025
Llyn Padarn, Caernarfon

500M

10:00

Age 8 & over

£30-£35

  • 500 m lake swimming

Event overview

Catch the narrow gauge train to the end of Llyn Padarn to start your swim for a truly unique experience! With the spectacular backdrop of the Snowdon mountain range, the historic Dolbadarn Castle and Welsh slate quarries you can choose to swim the length of the lake, either once, twice or three times! We have a mid length and 500m option too!

This event is part of The Big Welsh Swim.

Event details

  • All fitness levels
  • Dogs allowed
  • Event village
  • Newcomers
  • Spectators
  • Swim hat provided

Location

  • Bag storage
  • Bag transfer
  • Cafe
  • Mountains
  • Paid parking
  • Rural
  • Toilets

Route

  • Cut off time
  • Distance markers
  • Marshals
  • Out and back

Sustainability

  • Optional medal
  • Optional t-shirt
  • Plastic bottle free
  • Recycling
  • Sustainability policy

What's included

  • Chip timing
  • Eco medal
  • Race photo

Entries

  • Age 8 & over
  • Entries open
  • Enter online

Other races at event

  • Sat 5 Jul
  • #2 of 5
Llyn Padarn, Caernarfon

1.3K

10:30

Age 8 & over

£40-£62

  • 1.3 km lake swimming
  • Sat 5 Jul
  • #3 of 5
Llyn Padarn, Caernarfon

3K

10:00

Age 18 & over

£66-£70

  • 3 km lake swimming
  • Sat 5 Jul
  • #4 of 5
Llyn Padarn, Caernarfon

6K

09:00

Age 18 & over

£72-£76

  • 6 km lake swimming
  • Sat 5 Jul
  • #5 of 5
Llyn Padarn, Caernarfon

9K

09:00

Age 18 & over

£84-£89

  • 9 km lake swimming