The Mizuno Swansea Half Marathon is one of Walesβ most popular coastal road races, offering runners a fast, flat, and scenic 13.1-mile course through the heart of Swansea and along the sweep of Swansea Bay. Known as a strong personal-best course as well as an accessible race for first-time half marathoners, the event combines city landmarks, closed roads, seaside views, entertainment zones, and a lively race-day atmosphere.
The race starts and finishes in Swansea city centre, with the route taking runners past major local landmarks including Swansea Arena, Brangwyn Hall, Swansea Castle, Swansea Museum, and the National Waterfront Museum before heading out toward Mumbles. The coastal section is one of the eventβs defining features, giving participants around five miles of views across Swansea Bay before returning toward the city for the finish.
The course is UKA licensed, AIMS certified, wheelchair friendly, and run on fully closed roads. With only modest elevation gain, regular water stations, pacers, training support, and a generous four-hour half marathon time limit, the Swansea Half Marathon is designed to welcome a wide range of participants, from competitive club runners to charity runners and recreational athletes.
The event is organized by Front Runner Events Ltd, with Swansea Marathon operating as a trading name of Front Runner Events. Over the years, the race has become a major fixture in the Welsh running calendar, attracting thousands of runners and supporters while showcasing Swanseaβs waterfront, historic city centre, and coastal identity.
For runners looking for a destination half marathon in the UK, Swansea offers a strong mix of speed, scenery, and atmosphere. It is especially well suited to runners chasing a PB, first-time half marathoners, wheelchair athletes, and anyone looking for a scenic coastal race with the convenience of a city-centre start and finish.