From the coast at Caernarfon to the mountains of Eryri
Other trail races within 199 miles
New to the UTS programme in 2026, the 80K is a point-to-point journey starting at sea level on the coast in Caernarfon and climbing inland through the mountains of Eryri, finishing in Llanberis. The 78km route gains 2,500m and links coastal paths, remote trail corridors, and high mountain ground. Starting at 19:30, runners head into the night as they work their way from the shore toward the peaks — a unique sea-to-summit challenge on the terrain of North Wales.
Some ultra experience recommended
Llanberis, Wales, United KingdomMay 15, 2026
| Location | km | Elevation |
|---|---|---|
Start Start | 0.0 | 6 m |
Finish Finish | 78.0 | 105 m |
Sign in to see cutoffs, crew access, drop bags, and services for every aid station.
Conditions change rapidly between the coast and the mountains — prepare for rain, wind, and cold at elevation
Wales is one of the wettest regions in the UK; wet conditions are expected especially on mountain sections
No required gear specified
No recommended gear specified
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