Welsh 3000’s Ultra Run

Llanberis, United Kingdom • 3 May 2025

The Welsh 3000's Ultra Run is a guided mountain running event held in Snowdonia, North Wales, covering the classic 15 peaks over 3,000 feet. Spanning approximately 30 miles (50 km) with 4,000 meters of elevation gain, the route traverses the Carneddau, Glyderau, and Snowdon ranges, including the challenging Crib Goch ridge. Designed for experienced runners who have completed marathon distances, the event offers expert guidance from qualified mountain leaders and athletics coaches, removing navigation stress. Participants benefit from included transport, support vehicles, and premium food stations featuring hot and cold options. This non-competitive challenge emphasizes enjoying one of Wales' most iconic mountain routes. Visit the organization's website for the most recent information.

Race information

50 km
30 Miles (50km)
Visit the organization's website for the most recent information.
Trail runs nearby

Run through Newborough Forest and across Llanddwyn Island on scenic single track trails with views of the Llyn Peninsula and Snowdonia. Choose the 10K or half marathon and enjoy an event village while supporting Alder Hey Children's Charity..

Tackle Snowdonia's rugged Slate Trail with APEX Running in Bangor on 15 and 16 November 2025. Choose a challenging 147 km ultra or a tough 80 km option, both with scenic quarry terrain and full race support.

UTMB Index

The Guided Trail Run in Dolwyddelan offers participants a scenic 10km route beginning in the charming village. The run features a leisurely start along the river, followed by a climb to Ty Mawr, where runners can enjoy stunning views of the..

Take on the epic Tour De Yr Wyddfa with 43.5 km and 2327 m ascent around the mountain on 24 January 2026, or opt for a shorter Llanberis to Pen y Pas half, relay or pair entry. Organized by Eryri Harriers for experienced mountain runners.