Date
TBC
RunThrough Trails Snowdonia Sea2Sky — SNOWDONIA SEA2SKY 53K
Barmouth, GwyneddWAL
53K· Trail (provisional)
Historical results collected from the UTMB Index.
2 past editions
Race detailsEventsFind this location on a map
WALRunningTrail12K · 12 km / 7.5 mi25K · 25 km / 15.5 mi54K · 54 km / 33.6 mi
Snowdonia Sea2Sky 12K, 25K & 54K
Barmouth, Gwynedd, Bath House, The Quay · WAL
No future date listed
About Snowdonia Sea2Sky 12K, 25K & 54K
Snowdonia Sea2Sky 12K, 25K & 54K is a running event in Barmouth, Gwynedd, Bath House, The Quay, Wales. Recorded disciplines include 12K, 25K, 54K. The listed surface is trail. The listed organiser is RunThrough Trails. No future date is currently listed on ATHRECS. The ATHRECS archive includes editions from 2026. This describes the editions recorded here, not the event's founding date or complete history.
Dates, starts & entry
Times are local to the race. Select the entry route for your distance.
The next date has not been announced here. Check the race website for updates.
Location & race day
Listed venue / area
Bath House, The Quay, Barmouth, GwyneddWAL
Confirm the exact start line, parking and arrival instructions with the organiser. A listed town or postcode may cover a wider area.
About the race
Snowdonia Sea2Sky — Bath House, The Quay, Barmouth. Listed on runABC (North of England). Confirm date, distance and entry on the runABC event page or organiser site.
- Surface:
- Trail
- Organiser:
- RunThrough Trails
Results
Public-figure or athlete-approved ATHRECS results, plus verified organiser links.
No verified results links have been added yet.
Past races
12K · 12 km / 7.5 miFinished
Sat, 5 Sept 202611:00 BST
The event also offers 25K and 54K routes; 12K is the in-scope route.
More running nearby
Date
TBC
Snowdonia Sea2Sky — SNOWDONIA SEA2SKY 25K
Barmouth, GwyneddWAL
25K· Trail (provisional)
Historical results collected from the UTMB Index.
1 past editions
Race detailsDate
TBC
RunThrough Snowdonia Sea2Sky
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17
Oct
2026
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