Marathons in Wales
22 upcoming marathons in Wales, United Kingdom.
13 cities
Busiest: November
From €11
Upcoming races
Your guide to marathons in Wales, United Kingdom
There are 22 upcoming marathons in Wales, United Kingdom, spread across 13 cities. Filter by distance or terrain to narrow things down, and save the races you like the look of.
Most take place in November, May and April. Next up is PHOENIX SOUTH WALES - ZOMBIE RUN - Marathon in Pontypridd on 31 October 2026.
Questions runners ask
How many marathons in Wales, United Kingdom are there?
Finndu lists 22 upcoming marathons in Wales, United Kingdom, across 13 towns and cities. The list is updated twice a day as organisers announce new races.
When is the next one?
PHOENIX SOUTH WALES - ZOMBIE RUN in Pontypridd, on 31 October 2026.
Which month has the most marathons in Wales, United Kingdom?
November, followed by May and April.
How much does it cost to enter?
Entry starts from £10. Fees vary from race to race, so check each race page for its current price.