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

DEC
7
2025
Sea 2 Summit Offa's Dyke is a scenic yet tough trail race from Prestatyn along the Offa's Dyke National Trail, offering Half Marathon, Full Marathon and a 33 mile Ultra. Electronically timed with a finisher medal, it promises big views and big challenges.
Sun 7 Dec 2025
33 miles Marathon Half Marathon

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Event

Sea 2 Summit - Offa's Dyke is a trail race organised by OutFit Personal Fitness Ltd. The event starts at Prestatyn seafront and is associated with Prestatyn Nova Centre. The race follows the Offa's Dyke National Trail and is electronically timed. A finisher medal is awarded.

Distances

  • Half Marathon
  • Full Marathon
  • Ultra - 33 Miles

Route and checkpoints

The course follows the National Trail waymarkers; there are no independent route markings until the final climb to each summit. Checkpoints are placed along the route, for example: CP1 Mynydd y Cwm (11 km, grid SJ0805976749), CP2 Grove Hall, Bodfari (20 km, SJ1034069887), CP3 Clwyd Gate (40 km, SJ1641958176) and CP4 Llandegla (45 km, SJ1959452400). The Ultra finishes at the summit of Cyrn y Brain above the Horseshoe Pass. Finish high points require a 25-35 minute walk down to recommended pick up points.

Logistics and requirements

Registration requires choosing between two staggered start waves. Coach travel from the finish area is available on a first come, first served basis; competitors are advised to have a support driver available in case of early withdrawal. Due to terrain and possible bad weather, all participants must carry minimum kit: full body waterproof cover; hat and gloves; spare thermal top; foil blanket; route map (provided); compass; whistle; fully charged mobile phone; and at least 500 ml of water to start. The next race date listed is 07/12/2025. Visit the organization's website for the most recent information.

33 mi
Ultra Marathon 33 Miles
Marathon
Full Marathon
Half Marathon
Half Marathon

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