Find half marathons in and around Wales for 2024/2025 - search by date or place, display on a map or use the advanced search to find your perfect race.
Click an event for full event details, location, route, sustainability, what's included and how to enter.
It's time to conquer the Cardiff Summer Half Marathon, have a morning out with family, friends, or colleagues and enjoy the stunning Bute Park then receive your superb medal!
Wales' spectacular mountain half marathon! A tough route with over 1,192m of ascent, most of which is up Wales’ highest peak, with incredible views all the way to Anglesey and a downhill finish too.
An exciting and spectacular event starting near Table Mountain and exploring the nearby Black Mountains, with incredible support guaranteed.
An iconic road race around Wales' capital offering a flat course from the castle to the marina and over the Cardiff Bay barrage! Charity runners, entertainment, huge crowd support and Event Village.
A top class half marathon event on a challenging and scenic trail around Llyn Elsi that is friendly, inclusive, sustainable, runner-focused, fun and rewarding. Come and see what the fuss is about!
This is a Road Race and not a Trail Race
The Spring race involving summit and sea, we will be going 'Summit 2 Sea' - and the Half Marathon (ish - it's 13.8 miles) will see runners gather on the summit of Moel y Parc...
The Pendine Sands 5K & 10K are on the beach. The Half & Full Marathon take in the full length of the beach and then return along quiet lanes.
A scenic Half Marathon that starts and finishes at the Athletics track Colwyn bay, after completing 300m on the track, the route takes you to the Colwyn bay pier,
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,
The Brecon Beacons Trail Running Challenge is now entering its 10th year in Talyboont-on Usk and is one of the most popular events on the trail running calendar in Wales.
Radyr Trail Half Marathon & Trail Marathon start in Wales' capital city, Cardiff but you'll soon feel a million miles away as you leave the hustle and bustle behind you for idillic trails and scenery.
One of The UK’s Toughest Half Marathon Warning! Warning! Warning! This is very tough! This is very tough!
Altitude with Attitude Marathon/Half/10K over 5,500ft of Ascent
Embark on a magical trail running journey through ancient woodlands, hidden reservoirs, towering wind turbines and unrivalled views of the Brecon Beacons National park culminating in a dramatic,
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
The Midnight Mountain Marathon is no ordinary marathon.
Possibly the toughest half marathon in the UK, and the most awe-inspiring.
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.
10th Swansea Half Marathon
Taking place in 2024, the Salomon Trail Marathon Wales and Trail Half Hanner will have full (26 mile / 42km) and half (13mile / 21 km) marathon race routes...
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.
Set in the beautiful Pembrokeshire Coast National Park...
Explore majestic Snowdonia National Park! Trail Half Marathon, 10K & Kids 1 mile. +Yoga, festivities & camping!
A roller coaster awaits at this spectacular trail run around the Afan and Glyncorrwg forests.
Eryri (Snowdonia) The Crossing 2024
This amazing route takes you on an undulating trail run around the lake and then up and down Wales's highest mountain, Yr Wyddfa (Snowdon).
The Hopalong Abersoch Half Marathon has a world-class course and superb atmosphere, great crowds and a stunning route set in the picturebook seaside village of Abersoch.
A 10k and a Half Marathon, both of which start and finish in the beautiful village of Dale.
Join the Trail Revolution and experience the undulating trails of Margam Park and autumn in the forest.