Half Marathons in Cardiff

2025 ABP Newport Marathon Festival

2025 Albert Goodman Weston Super Half

St David's Day Run

Conquer Cardiff Summer 5k, 10k, and Half Marathon

The Who Framed Roger Rabbit Love Run - Wales

St David's Day Dragon Run

Save The Rhino Run - Wales

2025 Cardiff Half Marathon

The Cardiff 5k, 10k and Half Marathon Winter Warmer Run

The Turtle Run

The ABP Newport Marathon Festival is a thrilling festival of running and one of the most exciting days on the Welsh sporting calendar. The marathon boasts one of the flattest courses in Europe and has been named in a list of ’10 of the fastest marathons in the world’ by Runners World.If you’re not up to the challenge of 26.2 miles, there’s also fun half marathon, 10K and mile race options to choose from. The races take in iconic landmarks, the city’s modern riverfront and International Sports Village as well as the stunning natural scenery and coastal wildlife of the nearby Gwent Levels. Come claim a PB and an epic finishers medal!Mae Gŵyl Marathon Casnewydd ABP yn ffefryn cadarn ar galendr rhedeg Cymru, gydag un o’r cyrsiau marathon mwyaf gwastad yn y DU. Mae’r llwybr yn dilyn tirnodau eiconig fel Pont Gludo’r ddinas ac mae yno olygfeydd godidog o Wastadeddau Gwent – gyda bywyd gwyllt y môr a phentrefi canoloesol hyfryd. Mae’r rasys hanner marathon a 10K hwyliog a chyflym sy’n cyd-fynd â’r marathon yn rhoi cyfle i redwyr o bob gallu gymryd rhan heb ymrwymo i’r pellter heriol o 26.2 milltir.

Run 4 Wales

Marathon - Mind Fundraiser

Half Marathon - Mind Fundraiser

10K - General Entry

10K - Mind Fundraiser

10K - Affiliated Entry

Future Challengers - Future Challenger

Toddler Dash - Toddler Entry

Mile - Fun Run Adult

Mile - Fun Run Child

Soak up spectacular sea views as you run this half marathon route along the Weston coastline. With unrivalled spectator support, you will be at the finish line in no time to collect your bespoke finisher medal and t-shirt.

WMP Creative

Half Marathon - Standard Entry

Moki Community Mile - Standard

Celebrate St David's Day this March with a run around Bute Park in Cardiff. With a range of distances on offer, from a 5k to a half marathon, and a 1.5k kids' race, there's truly something for everyone at this event. Come along to earn your finisher's medal.

The Fix Events

10k - Standard Entry

5k - Standard Entry

Kids 1.5k - Standard Entry

Enjoy a summer run with the Fix Event's Conquer Cardiff 5k, 10k, or Half Marathon. This lapped course through Bute Park features stunning scenery, flat pathways, and the opportunity to meet new people. The variety of distances will make this a great day out for all abilities.

Push yourself to the limits as you run as far as you can within 7 hours. Set in the stunning Dare Valley Country Park, you'll be surrounded by nature and treated to some amazing views. Come to get your hands on a goody bag and turtle-themed medal.

Saturn Running

5k - UKA Affiliated entry

5k - Standard entry

10k - UKA Affiliated entry

10k - Standard entry

Half Marathon - UKA Affiliated entry

Half Marathon - Standard entry

Marathon - UKA Affiliated entry

Marathon - Standard entry

Ultra/Time Challenge - UKA Affiliated entry

Ultra/Time Challenge - Standard entry

One of the largest and most exciting road races in Europe, the Cardiff Half Marathon returns to the streets of Cardiff on Sunday 5 October in 2025.A member of the SuperHalfs series and awarded an Elite Label by World Athletics, the flat, fast course passes all of the city’s most breathtaking scenery and iconic landmarks including Cardiff Castle, the Principality Stadium, Civic Centre and stunning Cardiff Bay. Join the thousands of other runners being cheered along the way by the crowds of spectators lining the streets.General entries sold out at record pace, within just 12 hours of launching, but all hope is not lost if you want to run in 2025! You can still secure a space via our [official charities](https://www.cardiffhalfmarathon.co.uk/charity/running-for-charity-list-of-associated-charities/) and [tour operators](https://www.cardiffhalfmarathon.co.uk/take-part/international-entry/), or via a [Business Challenge](https://www.cardiffhalfmarathon.co.uk/take-part/business-challenge/) package.Mae Hanner Marathon Caerdydd wedi tyfu i fod yn un o’r rasys ffordd mwyaf cyffrous a phoblogaidd yn Ewrop. Hwn yw’r ail hanner marathon mwyaf yn y DU a dyma’r digwyddiad mwyaf yng Nghymru o ran codi arian ar ran elusennau amrywiol.

Half Marathon - Early Bird First Release

Half Marathon - Second Release

Half Marathon - Final Release

Half Marathon - Affiliated Entry

Charity - NSPCC Fundraiser

Warm yourself up this winter with this 5k, 10k and half marathon event. Ideal for all types of runners, from novices to seasoned athletes, the route loops around the beautiful parkland of Bute Park. Soak up the scenery and earn a well-deserved finisher's medal.

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Half Marathon Events in Cardiff, Wales 2025-2026

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