- Sun 1 Oct
- £36-£46
- 26 charities
Cardiff Half Marathon
A hugely popular event with big crowd support around Wales' capital with a flat course from the castle to the marina and over the Cardiff Bay barrage! Charity places now available for 2023.
- 13.1 miles road running
- Sun 26 Mar
- £30-£32
The Merthyr Half Marathon | Half Marathon
Starting and finishing at Merthyr College, the race is organised and run by Merthyr Running Club.
- 13.1 miles road running
- Sat 1 Apr
- £39.99
Swansea Trail Half Marathon
Welcome to the second edition of the highly successful Swansea Trail Half Marathon.
- Half marathon
- Sun 2 Apr
- £25-£27
- Cancelled
Sanlam Coast Half Marathon
A fantastic coastal Half Marathon along the fabulous coastal pathway of North Wales.
- Half marathon
- Sun 2 Apr
- £41-£43
2Wish Great Welsh Marathon Events | Half Marathon
A Fast, flat course set on the scenic Llanelli coastline
- 13.1 miles road running
- Sun 16 Apr
- £35
The Pendine Races | Half Marathon
The Pendine Sands 5k & 10k are all on the beach. The Half & Full Marathon take in the full length of the beach and then return along quiet lanes.
- 13.1 miles trail running
- Sun 16 Apr
- FREE-£32.50
Summit 2 Sea - The Offa's Dyke Half Marathon
Summit 2 Sea - the Half Marathon will see runners gather on the summit of Moel y Parc and follow the Offa's Dyke National Trail to the coast and finish line on the beach at Prestatyn.
- Half marathon
- Sat 22 Apr
- £47
Pembrokeshire Coastal Trail Run | Half Marathon
As Britain's only coastal National Park primarily designated for its coastal landscape, Pembrokeshire is justifiably famous for its rugged cliffs, quiet coves, expansive sandy bays, picturesque...
- 13.4 miles trail running
- Sat 29 Apr
- £45
Blacks to the Beacons | Half Marathon
Whether you’re a season Marathon and Ultra runner or this is your first attempt at a longer distance, we guarantee you will have an amazing day. The Blacks to the Beacons is part of our Trail Festival
- 13.1 miles trail running
- Sat 29 Apr
- £20-£22
Red Kite Challenge | Half Marathon Run
The Red Kite Challenge is an annual trail running / walking event, held in and around Devil's Bridge, nr Aberystwyth, in Mid-Wales.
- 13.1 miles trail running
- Sat 6 May
- £45
TEC Brecon Beacons Trail Running Challenge | Half Marathon
The Brecon Beacons Trail Running Challenge is now entering its 9th year in Talyboont-on Usk and is one of the most popular events on the trail running calendar in Wales.
- 25 km trail running
- Sun 14 May
- £35-£37
Snowdonia Half Marathon
ONE OF THE UK’s TOUGHEST HALF MARATHONS. WARNING! WARNING! WARNING! THIS IS VERY TOUGH! THIS IS VERY TOUGH!
- Half marathon
- Sat 20 May
- £38
Midnight Mountain Marathon | Half Marathon
The Midnight Mountain Marathon is no ordinary marathon.
- 13 miles fell running
- Sat 3 Jun
- £45
Black Mountains | Half Marathon
Limitless Trails are very excited to be offering another Ultramarathon and Marathon in the beautiful Black Mountains, deep in the heart of the Brecon Beacons National Park.
- 13.1 miles trail running
- Sun 4 Jun
- £25
Conquer Cardiff Summer | Half Marathon
It's time to conquer 2023 Cardiff Summer 5k, 10k and Half Marathon and have a morning out with family, friends, or colleagues and be part of this great event.
- 13.1 miles road running
- Sun 11 Jun
- £41-£43
Swansea Half Marathon
The MULTI-AWARD WINNING Swansea Half Marathon will return in 2023. It’s a course with great PB potential and has won several accolades including the UK’s best half marathon!
- Half marathon
- Sat 17 Jun
- £45
TEC Black Mountains Trail Running Challenge | Half Marathon
Set at Newcourt Farm in Felindre, Wales, we are in the perfect place for trail running and these challenges are along some of the best trails this region has to offer.
- 23 km trail running
- Sat 17 Jun
- £35
Salomon Trail Marathon Wales | Half Marathon
The Salomon Trail Marathon Wales will have full and half marathon race routes in the stunning trails and tracks of the world-renowned Coed y Brenin forest in the Snowdonia National Park.
- 13.1 miles trail running
- Sun 9 Jul
- £43.99
XTERRA Snowdonia Trail | Half Marathon
Welcome to the XTERRA Snowdonia Trail Marathon, a stunning Trail Marathon, Ultra Marathon, Half Marathon and 10k, starting and finishing in Wales' outdoor capital, Llanberis.
- 12.9 miles trail running
- Sat 22 Jul
- £30
Chepstow Running Festival | Half Marathon
Kickstart the New Year and run at Chepstow Racecourse – our only event in Wales!
- 13.1 miles road running
- Sun 13 Aug
- £24-£26
Port Talbot Half Marathon
Will you join the Port Talbot Half Marathon in 2023?
- Half marathon
- Sun 27 Aug
- £23-£29
Severn Bridge | Half Marathon
....running between sea and sky - over the iconic Severn Bridge on the closed M48
- 13.1 miles road running
- Sat 9 Sep
- £45
Beacons to the Blacks | Half Marathon
Limitless Trails are very excited to bring this spectacular event to you!
- 13.1 miles trail running
- Sun 10 Sep
- £35-£37
Caernarfon | Half Marathon
A scenic Half Marathon that starts and finishes next to the majestic Caernarfon castle, a route with a few small ups and some long fast downhill sections.
- 13.1 miles road running
- Sun 17 Sep
- £32-£34
Lake Vyrnwy Half Marathon
Perfect for all runners as well as those seeking a fast time.
- Half marathon
- Sun 24 Sep
- £28
M&D Care Llanelli Half Marathon
Be part of an epic event, and guarantee your spot at the Llanelli Half Marathon.
- Half marathon
- Sun 24 Sep
- £34
Pembrokeshire | Half Marathon
A 10k and a Half Marathon, both of which start and finish in the beautiful village of Dale.
- 13.1 miles road running
- Sun 8 Oct
- £34-£36
Bangor City | Half Marathon
This race starts and finishes in the city centre and goes out to the coastline and along the Garth Pier over the Menai Straits taking in views of Anglesey,
- 13.1 miles road running
- Sun 22 Oct
- £15-£17
Ron Skilton Memorial Half Marathon
Recognised as a tough challenge for competitors - 'The Ron Run'.
- Half marathon
- Sun 5 Nov
- £39.99-£43.99
Anglesey Trail | Half Marathon
Always Aim High Events are proud to present this trail event in Newborough Forest, Anglesey.
- 21.1 km trail running
- Sat 11 Nov
- £47
Gower Coastal Trail Run | Half Marathon
Gower was the first place in Britain to be designated an 'Area of Outstanding Natural Beauty' (AONB).
- 14.3 miles trail running
- Sun 12 Nov
- £39.99
Cardiff Trail Half Marathon
Welcome to the third edition of the Cardiff Trail Half Marathon taking place from the awesome Mountain View Ranch.
- Half marathon
- Sun 19 Nov
- £37-£39
Conwy | Half Marathon
Run like you've never run before at the iconic, fast Conwy half marathon in the capital of North Wales.
- 13.1 miles road running
- Sun 10 Dec
- FREE-£25
Sea 2 Summit - Offa's Dyke | Half Marathon
The only way is up with these Half Marathon/Marathon/Ultra distance races along the Offas Dyke footpath!
- 13.1 miles trail running