Summit 2 Sea - The Offa's Dyke Half Marathon

Event

Summit 2 Sea - The Offa's Dyke Half Marathon is an off-road half marathon of approximately 13.8 miles. The route starts on the summit of Moel y Parc and follows the Offa's Dyke National Trail to a finish on the beach at Prestatyn. The course begins at over 1,300 ft above sea level and finishes at sea level, with more than 2,450 ft of total ascent. The event is electronically timed and has course records of 2:02:15 (male, 2025) and 2:16:25 (female, 2025).

Practical information

Registration takes place at the Nova Centre, Prestatyn. Two feed stations are placed along the route and the National Trail is described as well marked. A bus from the Nova Centre to Bodfari is available at extra cost nearer the race; from Bodfari there is a warm-up walk of around 45 minutes to the summit start. Competitors may instead travel directly to Bodfari village if they arrange return transport from the finish. A generous overall cutoff is 5 hours, with an intermediate cutoff of 2 hours 10 minutes at 10.5 km. Mandatory kit includes waterproof jacket and trousers, hat or buff and gloves, foil blanket or survival bag, a fully charged mobile phone, a whistle, and at least 500 ml of water at the start. Standard entry is priced at £33.50; an OutFit member entry option is listed at no cost. Visit the organization's website for the most recent information.