Running Calendar Wales
Running Calendar Wales is a running events list which includes fun runs, obstacle course races, mud runs, trail runs and more.
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Events 1 to 71 of 71
Secret Santa Festive Trail Series
Saturday, 6 December 2025Crickhowell, Powys, UK
Celtic Trail Races
Saturday, 13 December 2025Aberdare, Rhondda Cynon Taff, Wales, UK
Chepstow Running Festival
Sunday, 25 January 2026Chepstow, Monmouthshire, UK
Llanelli Half Marathon & 10K
Sunday, 8 February 2026Llanelli, Wales, UK
Trails & Tarmac Winter Back Yard Ultra
Saturday, 14 February 2026Crickhowell, Powys, Wales, UK
Caerphilly Trail Races: 5K & 10K
Sunday, 15 February 2026Van Community Centre, Caerphilly, UK
Nick Beer Llandudno 10K
Sunday, 15 February 2026Llandudno, Conwy, Wales, UK
Brecon Canal 10
Saturday, 21 February 2026Brecon, Powys, UK
Anglesey Half Marathon & 10K
Sunday, 1 March 2026Menai Bridge, Anglesey, UK
Dragons Dash
Sunday, 1 March 2026Menai Bridge, Anglesey, UK
North Wales Pilgrim Half Marathon
Sunday, 1 March 2026Cwt Tatws to Aberdaron, North Wales, UK
Colwyn Bay 20 Mile & Metric Marathon
Sunday, 8 March 2026 (Date TBC)Colwyn Bay, Conwy, UK
Great Welsh Marathon & Half Marathon
Sunday, 8 March 2026Pembrey, Carmarthenshire, UK
Monmouth 10 Mile
Sunday, 8 March 2026Monmouth, UKBrechfa Trail Half Marathon & Marathon
Saturday, 14 March 2026Brechfa Forest, Carmarthen, UK
Red Warrior Challenge Multi Terrain Races
Sunday, 22 March 2026Margam Country Park, Port Talbot, UK
Llandudno Half Marathon & 10 Mile
Sunday, 29 March 2026Llandudno, Conwy, Wales, UK
The Pendine Sands Races
Sunday, 5 April 2026Pendine Sands, Carmarthanshire, UK
SheUltra™
Saturday, 11 April 2026Abersoch to Pwllheli, North Wales, UK
Brisco Gorseinon 10K & 2K
Sunday, 12 April 2026Gorseinon, Swansea, UK
Ogwen Yr Helgi Du Race
Sunday, 12 April 2026Plas Y Brenin, Capel Curig, UK
Beast of the Beacons
Saturday, 18 April 2026Talybont-on-Usk, Brecon, UK
Cymoedd Sir Fynwy
Saturday, 18 April 2026 to Sunday, 19 April 2026Abergavenny, Monmouthshire, UK
Newport Marathon Festival
Sunday, 19 April 2026Newport City Centre, Wales, UK
Trawsfynydd Lake Race
Sunday, 19 April 2026Blaenau Ffestiniog, Gwynedd, UK
EnduranceLife Pembrokeshire
Saturday, 25 April 2026Little Haven, Haverfordwest, UK
The Medieval Backyard Ultra
Saturday, 25 April 2026Cosmeston Country Park, Penarth, UKRadyr Trail Half Marathon & Marathon
Saturday, 9 May 2026Cardiff Harlequins RFC, Cardiff, UK
Tenacious Ten Hour Endurance Challenge
Saturday, 9 May 2026Pengenffordd, Talgarth, Brecon, Powys, UK
Snowdonia Half Marathon
Sunday, 10 May 2026Llanrwst, Conwy, Wales, UK
Barry Island 10K
Sunday, 17 May 2026Barry Island, Barry, Wales, UK
The Swansea 5K
Sunday, 24 May 2026Swansea, Wales, UK
Abersoch 10K
Saturday, 30 May 2026Abersoch, Gwynedd, Wales, UK
Pembrokeshire Coastal Races
Friday, 5 June 2026 to Sunday, 7 June 2026Dale, Milford Haven, Wales, UK
Midnight Mountain Marathon
Saturday, 6 June 2026Talybont-on-Usk, Brecon, Wales, UK
North Wales Pilgrim Trail Marathon
Saturday, 6 June 2026Yr Eifl to Aberdaron, North Wales, UK
Swansea Half Marathon
Sunday, 7 June 2026Swansea Arena, Swansea, UK
Wales Marathon, Half Marathon, 10K & 5K
Sunday, 28 June 2026Tenby, Pembrokeshire, Wales, UK
Porthcawl 10K
Sunday, 5 July 2026Porthcawl Esplanade, Porthcawl, UK
Wild Wye SwimRun
Sunday, 5 July 2026Chepstow, Monmouthshire, UK
The Severn Challenge
Wednesday, 8 July 2026 to Sunday, 12 July 2026Hafren to Bristol, UK
Snowdonia Trail Marathon Eryri
Saturday, 11 July 2026 to Sunday, 12 July 2026Llanberis, Caernarfon, UK
Yr Wyddfa / Snowdon 24
Saturday, 11 July 2026Llanberis, Caernarfon, UK
Dragon Coastal Ultramarathons
Saturday, 18 July 2026 to Sunday, 19 July 2026Rhossili Bay to Cardiff Bay, Wales, UK
Gower Peninsula Ultra Challenge
Saturday, 18 July 2026 to Sunday, 19 July 2026Penrice, Swansea, Wales, UK
Rabbit Run Wales
Saturday, 18 July 2026Merthyr Mawr, Bridgend, South Wales, UK
Ultra X Wales
Saturday, 25 July 2026 to Sunday, 26 July 2026Abergavenny, Monmouthshire, Wales, UK
SkyRun Eryri
Saturday, 15 August 2026Rhyd-Ddu, Caernarfon, Wales, UK
Beast of Llangattock
Saturday, 22 August 2026Llangattock, Crickhowell, UKBlack Cattle Ultra
Saturday, 29 August 2026Llanthony Priory to Cardiff, UK
Caernarfon Half Marathon
Sunday, 6 September 2026Caernarfon, Wales, UK
Cardiff 10K
Sunday, 6 September 2026Cardiff City Centre, Wales, UK
IRONKIDS Wales
Saturday, 12 September 2026Five Arches Car Park, South Parade, Tenby, UK
Machlud Trail Race
Saturday, 12 September 2026Cilcain, Mold, Flintshire, Wales, UK
Abersoch Trail Run
Saturday, 19 September 2026Abersoch, Gwynedd, Wales, UKTrails & Tarmac 12 Hour Summer Back Yard Ultra
Saturday, 19 September 2026Crickhowell, Powys, Wales, UK
Gower Coastal Trail Races
Saturday, 26 September 2026Gower Peninsula, Wales, UK
Rat Race Sea to Summit - Yr Wyddfa (Snowdon)
Saturday, 26 September 2026Caernarfon to Rhyd Ddu, Wales, UK
Pembrokeshire Half Marathon & 10K
Sunday, 27 September 2026Dale, Pembrokeshire, UK
Bangor City 10K & Half Marathon
Sunday, 4 October 2026Bangor, Wales, UK
Cardiff Half Marathon
Sunday, 4 October 2026Cardiff City Centre, Wales, UK
The Loop Ultra
Saturday, 10 October 2026Plas Dolanog, Welshpool, UK
Abergele 5K & 10K
Sunday, 18 October 2026Abergele/Pensarn, Wales, UK
Marathon Eryri
Saturday, 24 October 2026Llanberis, Caernarfon, UK
Tenby 10K
Sunday, 25 October 2026Tenby, Pembrokeshire, UK
Anglesey Trail Half Marathon & 10K
Sunday, 1 November 2026Newborough Forest, Anglesey, UK
Beacons Ultra, Marathon & Half Marathon
Saturday, 7 November 2026Talybont-on-Usk, Brecon, Powys, UK
Coast2Coast Winter Ultra
Saturday, 7 November 2026Llithfaen, Pwllheli, North Wales, UK
EnduranceLife Gower
Saturday, 7 November 2026Oxwich Bay, Gower, Swansea, UK
Slate Trail Ultra
Saturday, 14 November 2026Porth Penrhyn, Bangor, Wales, UK
Conwy Half Marathon
Sunday, 15 November 2026Quayside, Conway, UK
Events 1 to 71 of 71