Run the iconic 13.1-mile RDS Half Marathon along Wales’ dramatic Pembrokeshire Coast Path, starting and finishing at the historic St Davids Cathedral. Experience stunning sea cliffs, local culture, and a rewarding finish meal in this well-supported coastal race.
Run the iconic 13.1-mile RDS Half Marathon along Wales’ dramatic Pembrokeshire Coast Path, starting and finishing at the historic St Davids Cathedral. Experience stunning sea cliffs, local culture, and a rewarding finish meal in this well-supported coastal race.
Book with MUUK Adventures Ltd
Verified experiences and guided adventures in the surrounding area.
Operated by MUUK Adventures Ltd · St Davids, Wales
Set along the rugged and captivating coastline of Pembrokeshire, Wales, the RDS Half Marathon 2026 offers runners an unforgettable journey on the famed Coast Path. Beginning and ending at the historic St Davids Cathedral—the smallest city in the UK—this half marathon delivers a classic blend of natural grandeur and cultural heritage. Each step of this well-marked 13.1-mile route brings participants face-to-face with dramatic sea cliffs, expansive Atlantic views, and patches of wild heathland, showcasing why Pembrokeshire Coast National Park holds the title of the only coastal national park in the UK.
The trail’s unique geology features ancient sedimentary rock formations that rise steeply from the sea, providing panoramic vistas that reward runners throughout their race. Take note of the diverse flora, including resilient gorse bushes and heather, native to this windswept landscape. While the marathon route demands steady endurance, it caters to all levels with aid stations positioned along the way, ensuring hydration and support.
St Davids Cathedral anchors the community and event with its soaring medieval architecture and spiritual presence, setting the tone for a race steeped in local tradition. Historically, the cathedral city has attracted pilgrims since the 6th century, adding depth to your running experience. The race also offers a celebratory finish: receive a medal commemorating your achievement and savor a hearty local dish, cawl—a traditional Welsh stew—that’s perfect for refueling.
Muuk-Adventures, based at Business Park, Unit 4 Glasfryn Road in St Davids, expertly organizes this event, reflecting their deep connection to the area's outdoor culture and commitment to sustainable, community-oriented activities. Their attention to safety and runner experience highlights why this half marathon is a standout among UK coastal races.
For travelers, nearby Haverfordwest provides ample accommodation options and access points. Whether you are chasing a personal best, looking to immerse yourself in Welsh coastal beauty, or simply wanting to join a vibrant community event, the RDS Half Marathon is a distinctive adventure that captures the spirit of Pembrokeshire’s wild and inviting landscape.
moderate.
2–4 hours.
Good cardiovascular endurance recommended as the route includes varied elevation on rugged terrain.
The race covers 13.1 miles (21.1 kilometers), the official half marathon distance.
Participants must typically be 17 or older; please check event details for exact age requirements.
Yes, the route is clearly marked with signage to guide runners throughout the course.
Yes, there are multiple aid stations providing water and refreshments along the route.
The course includes coastal paths with some rocky and uneven terrain, plus moderate elevation changes.
Parking is available near St Davids Cathedral, but arriving early is advised to secure a spot.
St Davids Cathedral has been a place of pilgrimage since the 6th century, offering a rich cultural backdrop to the race.
The Pembrokeshire Coast National Park actively manages trail impact and habitat protection to minimize erosion and preserve native species.
MUUK Adventures Ltd is an outdoor activity provider based in St Davids, Wales, specialising in guided coasteering, sea kayaking and organised running events across North Pembrokeshire. The company delivers experiences for families, friends and individual adventurers, operating trips that include short 3‑hour sessions and full-day excursions to local highlights such as Abereiddy Bay and the Blue Lagoon. MUUK Adventures Ltd provides safety equipment including wetsuits and helmets, and runs guided sessions that cater to beginners through to experienced participants. The business offers a range of publicly advertised trips: St David’s coasteering, Blue Lagoon coasteering, Abereiddy kayaking, Blue Lagoon kayaking, a full-day kayaking adventure, plus organised races including the RDS Marathon 2026, RDS Half Marathon 2026, RDS 10K 2026 and the festive Xmas Pudding Run 2025. Each trip description lists duration, difficulty and included safety gear. Guides select routes to showcase coastal caves, coves and quiet beaches while prioritising participant safety and local conservation. MUUK Adventures Ltd works within recognised coastal areas of North Pembrokeshire and St Davids Peninsula, operating with publicly communicated schedules for seasonal activities. Participants receive pre-trip information, kit guidance and safety briefings. The company’s experiences appeal to visitors seeking active, outdoors-led exploration of the Pembrokeshire coastline, combining scenic routes, hands‑on sea activities and community running events suitable for a range of ages and abilities. Booking information and safety standards are available on public listings and partner sites, with clear meeting points in St Davids. Group bookings and bespoke dates are offered seasonally subject to availability and restrictions.
Book with MUUK Adventures Ltd