Trail half marathons in Wales
Find trail half marathons in Wales. Compare 7 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 Anglesey Trail Half Marathon & 10K, Beacons Trail Marathon, Half Marathon & Ultra and Afan Forest Trail Half Marathon & 10K.
Narrow your search to Rhondda Cynon Taf, Bridgend County Borough and Neath Port Talbot, or browse the other locations below.
8 listed events · 7 with upcoming dates
Upcoming half marathons
7 matching events, earliest date first. Entry availability is shown separately.
Anglesey Trail Half Marathon & 10K
WALAnglesey, Wales
Anglesey Trail Half Marathon & 10K — Newborough Forest, Anglesey. Listed on runABC (North of England).
· Half marathon · Status TBC
Race details, entry and past editions →Beacons Trail Marathon, Half Marathon & Ultra
WALTalybont-on-Usk, South Wales
Half, Marathon trail running in Talybont-on-Usk.
· Half marathon
Race details, entry and past editions →Entry information ↗Afan Forest Trail Half Marathon & 10K
WALPort Talbot, Neath Port Talbot
Afan Forest Trail Half Marathon — Afan Forest Park, Port Talbot.
· Half marathon
Race details, entry and past editions →Entry information ↗The Milkshake Meander — Wales 2027
WALAberdare, Rhondda Cynon Taf
The Milkshake Meander Wales — Aberdare.
· Half marathon
Race details, entry and past editions →Entry information ↗St David's Day Dragon Run 2027
WALAberdare, Rhondda Cynon Taf
St David's Day Dragon Run — Aberdare, Wales.
· Half marathon
Race details, entry and past editions →Entry information ↗Brechfa Trail Half Marathon & Marathon
WALBrechfa Forest, Carmarthen
Running event in Brechfa Forest, Carmarthen.
· Half marathon · Status TBC
Race details, entry and past editions →Rabbit Run Wales Half Marathon 2027
WALBridgend, Bridgend County Borough
Rabbit Run Wales Half Marathon 2027 — an officially published half-marathon fixture at Candleston Woods and Merthyr Mawr Warren.
· Half marathon
Race details, entry and past editions →Entry information ↗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.
Pumsaint Trail Half Marathon
WALSouth Wales, Wales
Pumsaint Trail Half Marathon — Village Hall, Pumsaint, South Wales. Listed on runABC (Midlands).
Next date not listed
Race guide and recorded editions →Choosing a race in Wales
The unfiltered upcoming calendar includes events in Aberdare (2), Anglesey (1), Brechfa Forest, Carmarthen (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 trail half marathons are coming up in Wales?
Anglesey Trail Half Marathon & 10K is listed for 1 November 2026 (status to be confirmed). Beacons Trail Marathon, Half Marathon & Ultra is listed for 7 November 2026. Afan Forest Trail Half Marathon & 10K is listed for 14 November 2026. 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.