SNOWDONIA SEA2SKY 25k & 53K ULTRA

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From RunThrough Events

  • Date Sat 6th September 2025
  • Time 07:00
  • Location Barmouth, Gwynedd
  • Price £42.00 - £77.00
  • Races 2 races
  • Distances Half Marathon, Marathon, Ultra

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Event summary

Get ready for an unforgettable adventure at the Snowdonia Sea2Sky Trail Races, taking place on Saturday, September 6, 2025, in the stunning coastal town of Barmouth, Gwynedd! Organised by RunThrough Events, this exciting new event offers participants a choice between two challenging distances: the 25k and the 53k ultra trail race. As you traverse through the breathtaking landscapes of Snowdonia, you'll not only test your strength and endurance but also be rewarded with spectacular views and the thrill of the great outdoors.

Whether you're a seasoned ultra runner or looking to conquer your first trail race, the Snowdonia Sea2Sky guarantees an exhilarating experience. The 53k race kicks off at 8:00 AM, with a cut-off time of 7:00 PM, while the 25k race starts at 10:00 AM. With features like chip-timed results, water stations, and complimentary post-race snacks, your entry includes everything you need for a fantastic day. Plus, all finishers will receive a bespoke medal to commemorate their achievement. Join us for this remarkable event, and let’s make memories together in the heart of Snowdonia!

SNOWDONIA SEA2SKY 25k & 53K ULTRA

Sat 6th September 2025

A person is running in a scenic, open landscape. They are wearing sunglasses, a black shirt, and shorts, with a race number on their waist. The background features hills, a blue sky, and scattered vegetation. A person in a black running outfit and cap jogging along a trail in a grassy landscape under a clear blue sky. Other runners are visible in the background. The sun casts a warm light on the scene.

Organiser's Description

RunThrough Snowdonia Sea2Sky 53k & 25k Trail Races 6th September 2025

Take on this brand new, exhilarating event from RunThrough set in Snowdonia. With 25k and 53k distances to choose from, you're sure to be challenged as you take on some incredible trails. Enjoy the amazing views as you run and the finisher's medal waiting for you at the finish line.

Start Times:
53K: 08:00 (Cut Off: 19:00)
25K: 10:00

This race will be run under UK Athletics Rules

Minimum ages: 25k – 17 | 50k- 20yrs

YOUR ENTRY WILL INCLUDE:
Bespoke Finisher's Medal

Chip-timed results

Water stations

Marshalled course

Post-race snacks

Free event photography

Come and enjoy the day with us; we hope to see you there!

Races

  • 25k

    £42.00

    Booking for more than 1?
  • 53k

    £77.00

    Booking for more than 1?

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Location

LL42 1HB, Barmouth, United Kingdom

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6 Sept 2025

£42.00 - £77.00