Road half marathons in Wales
Find road half marathons in Wales. Compare 13 upcoming events by date and location. Open a race guide for the course, recorded editions and official entry information where available.
Events to explore include Cardiff MoRun, Conwy Half Marathon and Chepstow Running Festival — January 2027.
Narrow your search to Cardiff, Monmouthshire and Pembrokeshire, or browse the other locations below.
22 listed events · 13 with upcoming dates
Upcoming half marathons
13 matching events, earliest date first. Entry availability is shown separately.
Cardiff MoRun
WALCardiff, South Wales
10K and 5K running event in Cardiff.
· Half marathon · Status TBC
Race details, entry and past editions →Conwy Half Marathon
WALConwy
Conwy Half Marathon — Half at Conwy and the Great Orme.
· Half marathon
Race details, entry and past editions →Entry information ↗Chepstow Running Festival — January 2027
WALChepstow, Monmouthshire
Chepstow Running Festival — Chepstow Racecourse, Monmouthshire.
· Half marathon
Race details, entry and past editions →Entry information ↗Tata Steel Llanelli Half Marathon 2027
WALLlanelli, Carmarthenshire
Tata Steel Llanelli Half Marathon — Llanelli, Carmarthenshire.
· Half marathon
Race details, entry and past editions →Entry information ↗Wrexham Half Marathon 2027
WALWrexham, Wrexham County Borough
Wrexham Half Marathon — Wrexham, Wales.
· Half marathon
Race details, entry and past editions →Entry information ↗Mizuno Swansea Half Marathon 2027
WALSwansea
Mizuno Swansea Half Marathon — Swansea, Wales.
· Half marathon
Race details, entry and past editions →Entry information ↗The Pendine Sands Races
WALPendine Sands, Carmarthanshire
Running event in Pendine Sands, Carmarthanshire.
· Half marathon · Status TBC
Race details, entry and past editions →ABP Newport Marathon Festival 2027
WALNewport
ABP Newport Half Marathon — Newport, Wales.
· Half marathon
Race details, entry and past editions →Entry information ↗Jones o Gymru Anglesey Half Marathon & 10K 2027
WALMona, Isle of Anglesey
Jones o Gymru Anglesey Half Marathon & 10K 2027 — an officially published half-marathon fixture at Mona Showground and closed roads across Anglesey.
· Half marathon
Race details, entry and past editions →Entry information ↗Fishguard Half Marathon
WALFishguard, Pembrokeshire
Fishguard Half Marathon — Goodwick and Fishguard, Pembrokeshire.
· Half marathon
Race details, entry and past editions →Entry information ↗The Wales Half Marathon
WALPembroke, Pembrokeshire
The Wales Half Marathon — Pembroke to Tenby, Pembrokeshire.
· Half marathon
Race details, entry and past editions →Entry information ↗Chepstow Running Festival — August 2027
WALChepstow, Monmouthshire
Chepstow Running Festival — August 2027 — an officially published 5K fixture at Chepstow Racecourse, Chepstow.
· Half marathon
Race details, entry and past editions →Great Welsh Marathon & Half Marathon
WALSouth Wales (venue TBC), South Wales
Great Welsh Marathon & Half Marathon in South Wales (venue TBC).
· Half marathon · Status TBC
Race details, entry and past editions →Race archive
Past races and previous editions
Looking back at a race? Browse the guides below for recorded editions. This section also includes events awaiting a new date and cancelled editions. Previous editions of races in the upcoming calendar are available through their race guides above.
Cardiff Half Marathon
WALCardiff
Cardiff October half marathon.
Next date not listed
Race guide and recorded editions →Cardiff Half Marathon
WALCardiff
Cardiff Half Marathon
Next date not listed
Race guide and recorded editions →Cardiff Half Marathon
WALCardiff
Cardiff Half Marathon
Next date not listed
Race guide and recorded editions →IAAF World Half Marathon Championships
WALCardiff
IAAF World Half Marathon Championships
Next date not listed
Race guide and recorded editions →Lake Vyrnwy Half Marathon
WALNorth Wales, Wales
Lake Vyrnwy Half Marathon — Llanwddyn, Powys, North Wales. Listed on runABC (North of England).
Next date not listed
Race guide and recorded editions →Oysho Cardiff Half Marathon
WALCardiff
Oysho Cardiff Half Marathon
Next date not listed
Race guide and recorded editions →Browse counties and areas
Choosing a race in Wales
The unfiltered upcoming calendar includes events in Chepstow (2), Cardiff (1), Conwy (1). Use the town filter to compare locations, then check the race guide for the start venue and organiser’s travel information.
Questions about half marathons in Wales
Which road half marathons are coming up in Wales?
Cardiff MoRun is listed for 1 November 2026 (status to be confirmed). Conwy Half Marathon is listed for 15 November 2026. Chepstow Running Festival — January 2027 is listed for 24 January 2027. Check the race guide and organiser’s latest information before making plans.
Where can I find race entry details for Wales?
Follow the link from the race guide to the organiser or entry provider, where one is available. Check the entry deadline, eligibility and current availability there. A listed race date does not necessarily mean entries are still open.
Why has a race moved out of the upcoming calendar?
Once its listed dates have passed, a race moves to the past-editions view unless another upcoming edition is recorded. Cancelled events also leave the upcoming list. The race guide stays available, and the event returns when a new date is added.