The Swansea Half Marathon is one of the UK’s most popular coastal running events, taking place annually in the heart of Swansea, South Wales. It features three race distances to cater to all ages and abilities: the iconic 13.1-mile Half Marathon, the accessible 5-mile City Run, and the fun, family-friendly 2K. Renowned for its flat, fast, and scenic course, the event showcases Swansea’s city centre, stunning waterfront, and picturesque views of Swansea Bay. With fully closed roads, live music, pacing teams, and a vibrant atmosphere, it’s ideal for both first-time runners and those chasing personal bests. The event also supports several charities and includes inclusive facilities, making it a highlight on the UK running calendar
Races
Half Marathon
5 miles
Race Date:
07 June, 2026
The Swansea Half Marathon is a fast, flat 13.1-mile race that takes runners on a scenic coastal route from the city centre to Mumbles and back along Swansea Bay. Known for its PB potential and stunning sea views, it’s ideal for both seasoned runners and first-time half marathoners.
Weather based on historical averages.
FAQs
What is the Swansea Half Marathon?
How long is the Swansea Half Marathon?
Where does the Swansea Half Marathon take place?
What is the elevation gain of the Swansea Half Marathon?
How can I prepare for the Swansea Half Marathon?
How do I choose the right training plan for the Swansea Half Marathon?
The Swansea Half Marathon is a fast, flat 13.1-mile race that takes runners on a scenic coastal route from the city centre to Mumbles and back along Swansea Bay. Known for its PB potential and stunning sea views, it’s ideal for both seasoned runners and first-time half marathoners.
The Swansea Half Marathon is 21km long.
The Swansea Half Marathon takes place in Swansea, United Kingdom.
The Swansea Half Marathon elevation gain is 36 metres, which Runna classifies as a Flat race.
The best way to train for the next race is to use a personalised training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the Swansea Half Marathon?
The Swansea Half Marathon is a fast, flat 13.1-mile race that takes runners on a scenic coastal route from the city centre to Mumbles and back along Swansea Bay. Known for its PB potential and stunning sea views, it’s ideal for both seasoned runners and first-time half marathoners.
How long is the Swansea Half Marathon?
The Swansea Half Marathon is 21km long.
Where does the Swansea Half Marathon take place?
The Swansea Half Marathon takes place in Swansea, United Kingdom.
What is the elevation gain of the Swansea Half Marathon?
The Swansea Half Marathon elevation gain is 36 metres, which Runna classifies as a Flat race.
How can I prepare for the Swansea Half Marathon?
The best way to train for the next race is to use a personalised training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
How do I choose the right training plan for the Swansea Half Marathon?
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
More
Sport:
Running
Tags:
Team
Coastal
Accessibility friendly
Virtual
Kid friendly
Fun Run
This event listing is for informational purposes only. Runna is not affiliated with, endorsed by, or sponsored by Swansea Half Marathon or Front Runner Events Limited. All event details are based on publicly available information and are provided solely to help users discover running events. Runna does not use any official logos, images, or proprietary content from this event or its organiser. Any trademarks or names mentioned are used descriptively to identify the event in a factual manner. For the most accurate and up to date information (including to register or purchase an entry to the event), please visit the Swansea Half Marathon website.
