5K races in Wales
Find 5k races in Wales. Compare 21 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, Cardiff MoRun and Endurancelife Gower.
Narrow your search to Cardiff, Denbighshire and Monmouthshire, or browse the other locations below.
33 listed events · 21 with upcoming dates
Upcoming 5k races
21 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).
· 5K · Status TBC
Race details, entry and past editions →Cardiff MoRun
WALCardiff, South Wales
10K and 5K running event in Cardiff.
· 5K · Status TBC
Race details, entry and past editions →Endurancelife Gower
WALGower Peninsula, South Wales
Half, Marathon, 5K, 10K mixed running in Gower Peninsula.
· 5K · Status TBC
Race details, entry and past editions →RTT Afan Forest Trail 10K & 5K
WALPort Talbot, Wales
RTT Afan Forest Trail 10K & 5K — Bryn Bettws Lodge, Port Talbot. Listed on runABC (South of England).
· 5K · Status TBC
Race details, entry and past editions →Llandudno Santa Dash
WALLlandudno, North Wales
5K running event in Llandudno.
· 5K · Status TBC
Race details, entry and past editions →Great Christmas Fun Run
WALSwansea, Wales
Great Christmas Fun Run — Oyster Wharf, Swansea. Listed on runABC (South of England).
· 5K · Status TBC
Race details, entry and past editions →Chepstow Running Festival — January 2027
WALChepstow, Monmouthshire
Chepstow Running Festival — Chepstow Racecourse, Monmouthshire.
· 5K · Status TBC
Race details, entry and past editions →Caerphilly Trail Races: 5K & 10K
WALVan Community Centre, Caerphilly
Running event in Van Community Centre, Caerphilly.
· 5K · Status TBC
Race details, entry and past editions →Big Moose Ultra Fun Run
WALCardiff, Wales
Big Moose Ultra Fun Run — Bute Park, Cardiff. Listed on runABC (South of England).
· 5K · Status TBC
Race details, entry and past editions →The Pendine Sands Races
WALPendine Sands, Carmarthanshire
Running event in Pendine Sands, Carmarthanshire.
· 5K · Status TBC
Race details, entry and past editions →Cardiff 5K Race for Victory 2027
WALCardiff
Cardiff 5K Race for Victory 2027 — an officially published 5K fixture at Whitchurch, Cardiff.
· 5K
Race details, entry and past editions →Entry information ↗Colour Run Swansea
WALSwansea, Wales
Colour Run Swansea — Singleton Park, Swansea. Listed on runABC (South of England).
· 5K
Race details, entry and past editions →Entry information ↗Race for Life Caernarfon 5K 2027
WALCaernarfon, Gwynedd
Race for Life Caernarfon 5K 2027 — an officially confirmed in-person 5K at Parc Coed Helen.
· 5K
Race details, entry and past editions →Entry information ↗Race for Life Cardiff 5K 2027
WALCardiff
Race for Life Cardiff 5K 2027 — an officially confirmed in-person 5K at Coopers Field - Bute Park.
· 5K
Race details, entry and past editions →Entry information ↗Race for Life Aberystwyth 5K 2027
WALAberystwyth, Ceredigion
Race for Life Aberystwyth 5K 2027 — an officially confirmed in-person 5K at The Bandstand, Marine Terrace.
· 5K
Race details, entry and past editions →Entry information ↗Race for Life Swansea 5K 2027
WALSwansea
Race for Life Swansea 5K 2027 — an officially confirmed in-person 5K at Museum Park.
· 5K
Race details, entry and past editions →Entry information ↗Margam Wild Trail Runs
WALSouth Wales, Wales
Margam Wild Trail Runs — Margam Country Park, Margam, South Wales. Listed on runABC (Midlands).
· 5K
Race details, entry and past editions →Entry information ↗Swansea 5K
WALSwansea, Wales
Swansea 5K — East Burrows Road Car Park, Swansea. Listed on runABC (South of England).
· 5K
Race details, entry and past editions →Entry information ↗Inflatable 5K Cardiff
WALCardiff, Wales
Inflatable 5K Cardiff — Heath Park, Cardiff. Listed on runABC (South of England).
· 5K
Race details, entry and past editions →Entry information ↗Race for Life Rhyl 5K 2027
WALRhyl, Denbighshire
Race for Life Rhyl 5K 2027 — an officially confirmed in-person 5K at The Arena.
· 5K
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.
· 5K
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.
Abergele 5K & 10K
WALAbergele, Conwy
Abergele 5K & 10K — flat, fast coastal races designed for first-timers and PB attempts.
Next date not listed
Race guide and recorded editions →Cardiff 5K - Race For Victory
WALCardiff
Cardiff 5K - Race For Victory
Next date not listed
Race guide and recorded editions →Harper Scarper 5K
WALShropshire, Wales
Harper Scarper 5K — Harper Adams University, Newport, Shropshire. Listed on runABC (Midlands).
Next date not listed
Race guide and recorded editions →Home Nations 5K 2026
WALCardiff
Home Nations 5K 2026 — an officially published 5K fixture at Cardiff, Cardiff.
Next date not listed
Race guide and recorded editions →Llantwit Major 10K & 5K 2026
WALLlantwit Major, Vale of Glamorgan
Llantwit Major 10K & 5K 2026 — an officially published 5K fixture at Llantwit Major, Llantwit Major.
Next date not listed
Race guide and recorded editions →Porthcawl 10K 2027
WALPorthcawl, Bridgend
Porthcawl 10K 2027 — an officially published 10K fixture at Porthcawl seafront, Porthcawl.
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 Cardiff (5), Swansea (4), Chepstow (2). Use the town filter to compare locations, then check the race guide for the start venue and organiser’s travel information.
Questions about 5k races in Wales
Which 5k races are coming up in Wales?
Anglesey Trail Half Marathon & 10K is listed for 1 November 2026 (status to be confirmed). Cardiff MoRun is listed for 1 November 2026 (status to be confirmed). Endurancelife Gower is listed for 7 November 2026 (status to be confirmed). 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.