Sun 5 Oct 2025 Cardiff, South Glamorgan, UK Entries closed

Oysho Cardiff Half

An iconic road race around Wales' capital offering a flat course from the castle to the marina and over the Cardiff Bay barrage!

  • Sun 5 Oct 2025
  • Entries closed
Cardiff Castle, Cardiff
Oysho Cardiff Half

10:00

Age 17 & over

FREE-£45

  • 13.1 miles road running + 81 m ascent

Event overview

Recognised by World Athletics as one of the best half marathons in the world!

Event community

£360
Katharine Q.

Katharine Q.

View team Sponsor
£360
Aled J.

Aled J.

View team Sponsor
£224
Steve K.

Steve K.

View team Sponsor
£150
31h 32m
Tegan G.

Tegan G.

21 year old from south wales, on a fitness and weight loss journey, setting myself goals to one day run a marathon 🫢🏻

View team Sponsor
£75
Mia P.

Mia P.

View team
Vivi R.

Vivi R.

View team
Georgia S.

Georgia S.

View team
Rosalyn M.

Rosalyn M.

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Catrin W.

Catrin W.

View team
Ulan H.

Ulan H.

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0h 55m
Ben T.

Ben T.

25 year old fitness enthusiast!

View team

Event details

  • Event village
  • Families
  • Fancy dress
  • Spectators
  • Traders at event
  • Wheelchair users

Location

  • Bag storage
  • Bar
  • Cafe
  • Changing facilities
  • Coast
  • Entertainment
  • Music
  • Paid parking
  • Showers
  • Toilets
  • Urban

Route

  • Cut off time
  • Distance markers
  • Entertainment
  • First aid
  • Flat
  • Marshals
  • No headphones
  • Out and back
  • PB
  • Sweeper
  • Toilets
  • Traffic free
  • Water stations
  • GPX available

Sustainability

  • Carbon offset
  • Public transport links
  • Recycling
  • Sustainability policy

What's included

  • Cash prizes
  • Chip timing
  • Eco goody bag
  • Eco medal
  • Event app
  • Technical t-shirt
  • Training plan
  • Vouchers

Do it for charity

Looking to do this event for charity? Charity entry options are explained on the Cardiff Half Marathon charity places for 2025 page.

Health and Medical

Guts UK

Funding research into digestive diseases to save lives with better treatments.

  • Technical t-shirt
  • Running vest
  • Fundraising support
  • Fundraising materials
  • Dedicated contact
Charity place

Get a place from the charity.

Sign up
£15

Fundraise
£350

Children

Dreams Come True

Making dreams come true to bring joy to seriously ill children.

  • Personalised running vest
  • Fundraising support
  • Fundraising materials
  • Dedicated contact
  • Certificate
Charity place

Get a place from the charity.

Sign up
£20

Fundraise
£300

Animals

Cats Protection

For a world where every cat is treated with kindness and an understanding of its needs.

  • Running vest
  • Fundraising support
  • Fundraising materials
  • Training guide
  • Dedicated contact
  • Exclusive social group
Charity place

Get a place from the charity.

Sign up
£10

Fundraise
£250

Entries

  • Age 17 & over
  • 27500 places
  • Entries closed
  • Charity entries closed
  • Charity places
  • Enter online
  • Event merch available
  • Race pack by post
  • Series discount

Other Wales events

Other UK events

4 steps to wellbeing
Sleep well

A good night's sleep is an essential foundation for a healthy lifestyle, effective training and weight control.

Train slow

Low-intensity training is easier for you, reduces the risk of injury and helps builds an efficient aerobic system.

Eat natural

Cut out sugar & junk food, reduce carbs, eat natural foods and train your body to burn fat for fuel.

Get outdoors

Fresh air, natural light and reconnecting with nature all help to improve mental and physical wellbeing.