Caernarfon Half Marathon

The Caernarfon Half Marathon takes place on 6 September 2026 in the historic town of Caernarfon, located in Gwynedd, North Wales. Organised by Run Wales, this sporting event brings together runners of varying abilities for a 13.1-mile race through one of Wales’s most characterful settlements. The event forms part of the broader calendar of sport and outdoor activities available across the region, offering participants an opportunity to experience competitive running in a distinctive Welsh setting.

Visitors attending the half marathon can expect the vibrant atmosphere typical of a well-organised running event, with participants gathering in the town centre ahead of the race. The day will feature the energy and camaraderie common to such occasions, with spectators lining the route to cheer on runners. The event creates a focal point for the local community and visiting athletes alike, transforming Caernarfon into a hub of sporting activity. Those not running themselves often enjoy watching from various vantage points along the course.

Caernarfon itself is renowned for its striking medieval castle, one of Wales’s most impressive historical monuments, which dominates the town’s waterfront setting on the Menai Strait. The town blends heritage architecture with a working harbour and vibrant local culture. Surrounding areas offer dramatic Snowdonian landscapes, coastal walks, and access to some of North Wales’s finest natural attractions. Visitors to the region benefit from excellent opportunities for outdoor exploration beyond the race day itself, making Caernarfon an ideal base for a longer stay.

The area offers a good range of holiday accommodation options, from guesthouses and hotels within Caernarfon town itself to rural cottages and lodges in the surrounding countryside. Those travelling to the event will find the town accessible by road, with convenient parking facilities nearby. Planning accommodation in advance is recommended, particularly given the popularity of Caernarfon as a tourist destination during the summer months.