Sea 2 Summit - Offa's Dyke Half/Full/Ultra

Prestatyn, United Kingdom • 7 Dec 2025

The Sea 2 Summit - Offa's Dyke Half/Full/Ultra is a challenging running event that takes place along the scenic Offa's Dyke footpath, starting from Prestatyn seafront. Participants can choose from three distances: Half Marathon, Full Marathon, and a new Ultra distance of 33 miles, which culminates at the summit of Cyrn y Brain. The course features beautiful and rugged terrain, with several checkpoints along the way. Competitors are required to carry essential gear due to the potential for adverse weather conditions. The event promises a rewarding experience with stunning views and a finisher medal for all participants. Visit the organization's website for the most recent information.

Race information

33 mi
Ultra Marathon
26 mi
Full Marathon
13 mi
Half Marathon
Visit the organization's website for the most recent information.
Trail runs nearby

The 24 Hours South - The Offa's Dyke Ultra is an endurance running event taking place in Prestatyn, North Wales, on May 10-11, 2025. Participants will traverse the Offa's Dyke Footpath for 24 hours, aiming to cover the greatest distance by noon on May 11. Runners can choose to walk, run, or alternat..

Snowdonia in a Day is an adventurous challenge event that invites participants to traverse the stunning Snowdonia National Park in a single day. Covering a distance of 65km (40 miles) with an elevation gain of 4,800m, the route follows the breathtaking Snowdonia Skyline, starting in Conwy and finish..

The Welsh 3000 Challenge (14 Peaks) is an exhilarating event that involves climbing all 3000ft peaks in Snowdonia, Wales, in a continuous journey. Participants can choose between a 20-hour challenge or a two-day challenge, with highlights including summiting Snowdon and traversing the knife-edged ri..

The Paddy Buckley Round is a challenging running event set in Northern Snowdonia, covering over 100km and featuring approximately 9,000m of ascent and descent across 47 mountain peaks. This guided experience takes place over three days, with participants running up to 40km daily in small groups, led..

The Guided Trail Run at Bod Petryal offers participants a relaxed 10km experience through the scenic Clocaenog Forest. The route features beautiful forest trails, leading to the village of Melin y Wig, and includes a stretch along the Brenig way beside the river Clwyd. This event emphasizes a friend..

Ogwen | Yr Helgi Du 2025 is a mountain trail running event held in the stunning Ogwen Valley within Eryri (Snowdonia), North Wales, starting from Plas y Brenin, Capel Curig. The race offers three distances—10K, 25K, and 40K—covering some of the highest mountains in England and Wales, including the C..

UTMB Index