Swansea Half Marathon

Experience the UK's award-winning coastal half marathon at the Mizuno Swansea Half Marathon on Sunday, June 7, 2026. Voted the UK's Best Half Marathon in consecutive years, this iconic event offers a truly spectacular 13.1-mile journey "from the city to the sea" on a fully closed-road, fast, and flat course. You'll run from the vibrant heart of Swansea out onto a stunning five-mile stretch of spectacular coastline, making it the perfect race for first-timers, wheelchair athletes, and anyone chasing a personal best. The electric atmosphere is fueled by entertainment zones, incredible crowd support, and the shared determination of thousands of runners. As a UKA licensed and AIMS certified race, you can trust in a professionally organised event with all the right support, including regular water stations, pacing groups for all times, and a bespoke 100% recycled zinc finisher's medal. The coastal views are simply breathtaking, providing the ideal backdrop for a memorable and rewarding run. Whether you're a seasoned racer or lacing up for your first major distance, this is the summer half marathon you don't want to miss. Join the thousands who #RunSwansea every year and discover why this is Wales' biggest and most celebrated summer running festival.