Photo: © Mizuno Swansea Half MarathonHALF
Mizuno Swansea Half Marathon
Swansea, United KingdomRoadCompetitive21.1kmHalf marathon€47
In 152 days
At a glance
Mizuno Swansea Half Marathon 2027 takes place on 21 March 2027 in Swansea, United Kingdom. Distances: 21.098 km. Start: Centro di Swansea.
- Date
- Sunday, 21 March 2027
- Location
- Swansea, United Kingdom
- Start
- Centro di Swansea
- Finish
- Centro di Swansea
- Distances
- Half marathon · 21.098 km · Competitive
- Entry fees
- €47
- Registration
- Registration open · Register now ↗
- Official website
- swanseahalfmarathon.co.uk ↗
Last updated: 19 October 2026
The race
The Mizuno Swansea Half Marathon takes place on Sunday 21 March 2027, starting and finishing in Swansea city centre, and has been voted the UK's best half marathon in consecutive years.
The flat, fast course, with just 36 m of elevation gain, passes Swansea Arena, Brangwyn Hall, the castle and museum, then runs for 5 miles along the bay towards Mumbles, gateway to Gower. There is water roughly every 3 miles and a medal made of recycled zinc.
Entry fees
Mezza maratonaEUR
Entry fee€47
Where it is
Swansea · United Kingdom© OpenStreetMap · OpenFreeMap
Race-day weather
21 MAR 2027 · average of the last 10 years (2017–2026)Changeable weather
Temperature on race day
5°12°
Low / high5° / 12°
Rain2.7 mmRain on 41% of days
Wind23 km/h
Sunrise06:16
