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Cardiff Half Marathon

Tickets on organiser’s site

With 20,000+ participants, put this race in your diary as a must-do event. The mostly flat course is packed with supporters throughout and you'll run past Cardiff Castle, Penarth Marina and Cardiff Bay. Come for the festival vibes, finisher's medal and technical t-shirt.

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Looks like tickets for this event aren’t available, here are some similar events you can book today:
Your organiser

Run 4 Wales delivers a series of high profile elite and mass participation sporting events in Wales including the Cardiff Half Marathon, Newport Wales Marathon, VELOTHON Wales, Cardiff Bay Run, Barry Island 10K and the Royal Welsh Trail Running Festival.

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We’re always looking for volunteers to help make these events epic.
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How to enter

What's included:

  • Chip Timed Event
  • Finisher's Medal
  • Finisher's T-shirt
  • Marshalled Course
  • Water Stations
  • Aid Stations
  • Post Race Goody Bag
  • Hoka One One Pacers
Half Marathon
10:00am Sun 3rd Oct 2021

Run 13.1mi

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What people think
4.9
16 reviews
FriendlyFaceFriendly atmosphere
FamilyFamily friendly
ShoeFlatGood for beginners
Lucia
Star
5.0
Did the Half Marathon in 2019
I have run this event since 2014. Fantastic crowds. Best part is running across the barrage. Even through the hailstones during the world half marathon. Flat for most of the way, so I get my best times.… read more
Jo
Star
4.3
Did the Half Marathon in 2019
Great atmosphere, though the crowds getting to the race then the finishing and getting away from the race were somewhat testing 😬 was just for short while though. I wouldn’t recommend this for a person best because there were simply too many runners. … read more
Sean
Star
5.0
Did the Half Marathon in 2019
Great easy course (well as easy as a flat marathon is), great atmosphere at the event and in town during/after, I did my PB there which I was not expecting/trying to do...Just need to watch out for a steep little hill at mile 12 best know its there and power up it, its not a long one.… read more
Frequently asked questions
FAQ
What is the cut-off time for the Cardiff Half Marathon?
To ensure roads open again and limit impact to the city, the cut-off time for the Cardiff Half Marathon is 4.5 hours. Runners falling behind this pace can be picked up by the sweeper vehicle or continue along the pavements.… read more
FAQ
What is the minimum age to take part in the Cardiff Half Marathon?
Participants must be 17 years old on race day to enter the Cardiff Half Marathon.… read more
FAQ
When will I receive my race pack for the Cardiff Half Marathon?
This will be sent to you in the post 1-3 weeks before the event. … read more
Running Event Distances
Running Event Distances
Running Events in London Parks
Running Events in London Parks
Nearby Running Events
Nearby Running Events
Route description
Route description

This route is the perfect tour of Cardiff, taking runners past the city's most iconic landmarks, beautiful scenery, and historic buildings.

The predominately flat and fast course makes this an ideal event for beginners and elites.

The Half Marathon starts outside Cardiff Castle and travels down past Cardiff City Stadium on the way to Penarth. Runners will get to take in the glorious Penarth Marina before crossing the barrage and heading to Cardiff Bay. The route takes runners right through the heart of the bay, taking in the Norwegian Church and Wales Millennium Centre along the way.

The route's last leg takes runners north of the city, to run around the stunning Roath Park Lake before getting their photo finish back in the heart of the city.

Lucia
Star
5.0
Did the Half Marathon in 2019
I have run this event since 2014. Fantastic crowds. Best part is running across the barrage. Even through the hailstones during the world half marathon. Flat for most of the way, so I get my best times.
Jo
Star
4.3
Did the Half Marathon in 2019
Great atmosphere, though the crowds getting to the race then the finishing and getting away from the race were somewhat testing 😬 was just for short while though. I wouldn’t recommend this for a person best because there were simply too many runners.
Sean
Star
5.0
Did the Half Marathon in 2019
Great easy course (well as easy as a flat marathon is), great atmosphere at the event and in town during/after, I did my PB there which I was not expecting/trying to do...Just need to watch out for a steep little hill at mile 12 best know its there and power up it, its not a long one.
Paul
Star
5.0
Did the Half Marathon in 2019
Great event for any type of runner. Amazing support all the way round! Already signed up for 2020. 👊👊
Becky
Star
5.0
Did the Half Marathon in 2019
Great course and atmosphere as always. Liked the route on back of the medal and T-shirt is a fab design this year. xsmall T-shirt are still too big. The gel stand could be laid out better perhaps on both sides as I always miss it every year.
Sadie
Star
5.0
Did the Half Marathon in 2019
Definitely worth doing and staying over if you can. The atmosphere was electric and the support was superb! Not boring at all so many landmarks ! I think my favourite section was the run across the barrage, absolutely stunning. I wouldn’t say it was flat as there was a very cheeky hill at mile 12 and this didn’t help my time. So no not a P.B course but that is my only criticism. Definitely one for your diary x
Stuart
Star
5.0
Did the Half Marathon in 2019
Parking was simple and only a short walk away, the bag drop, charity village andvbstart line were a bit hectic but we'll sign posted. A serious lack of toilets but understandable with over 50000 people attending. The course was a lovely route with a couple of small inclines. Marshals & volunteers were awesome, the crowds and support were penominal from start to finish. Finish line was okay as finish lines go, goody bag was reasonable, I like the t-shirt, loved the medal with the course printed on the back. A nice touch and a real winner with me was the free pint and 25% off food at any of the Brains brewery pubs.I will be back to run the Cardiff half marathon and I would highly recommend it to first timers and PB seekers.
Lydia
Star
5.0
Did the Half Marathon in 2019
My favourite half so far out of several. Crowds on the whole route. Music. Predominantly flat course taking in the whole city, lots to keep you interested. Easy to get into the city and park. Easy to get into pens. Frequent water stations. Last km slightly downhill which is always nice :) Just brilliant really I'd highly recommend
John
Star
4.3
Did the Half Marathon in 2019
2019 was my fourth Cardiff half and it is a race I keep returning to because it has a great atmosphere, is well organised and parts of the course, particularly around Cardiff Bay and the barrage, are lovely. This year the weather held and so the support was incredible, the entire course had people willing you on. Because there are such large numbers, the start is a bit busy and it takes a while to move around the event village and get to your pen, particularly the front ones, as the start approaches. Given the scale of the event, the organisers do a great job. Already signed up for number 5 next year.
Geraint
Star
5.0
Did the Half Marathon in 2019
This was my 8th half marathon and first time at Cardiff and it is easily the best organised half I've done. The staff and volunteers were amazing and the course takes you on an amazing your of Cardiff. I loved it so much I've already signed up to the double distnace Cardiff half and Newport marathon for 2020!
Karen
Star
5.0
Did the Half Marathon in 2019
Fantastic day, first time in Cardiff and me and the family used the parking at the stadium and walked in. Would come back again.
Howard
Star
5.0
Did the Half Marathon in 2019
Great atmosphere and an excellent race, as always, and a free pint of Brains ale in any Brains pub for all finishers 😀
angela
Star
4.3
Did the Half Marathon in 2019
This is my third Cardiff half and it's my highlight race of the year. This year I had an injury so knew I was going to be slower and this affected the amount of support on the course, even though the weather was perfect. My highlight is always the drummers by the Millennium Centre so I was disappointed that they weren't playing as I approached, I rely on them to get me though the boring stretch of Lloyd George Avenue.BUT the goodie bag was the best I've ever had out of all the races I've ever done. And loved that the bag could be composted yet it felt very sturdy. I will always recommend this race, as despite my comments the whole city does seem to come out in support and the fancy dress is always great.Thank you to the volunteers who make this possible, having my good friend put my medal round my neck was a great feeling.
Alice
Star
5.0
Did the Half Marathon in 2018
A really great event, loads of other runners and plenty of water stations. Would recommend not just accepting the lucozade because it's free if you haven't trained with sports drinks. I felt very sick! Not much incline, great route taking out over the barrage to see both the bay and Bristol Channel.
Jay
Star
5.0
Did the Half Marathon in 2018
Absolutely brilliant race and awesome atmosphere. No matter where you were on the course there was always an abundance of support, from the handmade signs, to high fives, to handing out jelly sweets. Course was relatively flat with only a few gradual hill climbs. Best part of the race would probably be running through Cardiff Bay, the views were great. Definitely recommend especially for those who are first timers to a half marathon, there are people of all caliber who run it.
Mat
Star
5.0
Did the Half Marathon in 2018
Really enjoyable route
4.9
16 reviews
FriendlyFaceFriendly atmosphere
FamilyFamily friendly
ShoeFlatGood for beginners
Rate this event
Logistics and schedule

Schedule:

08:30 Bag Drop opens

10:00 Half Marathon Starts

11:30 Prize Ceremony Starts

14:30 Cut-Off Time

Runners will be set off in a staggered start, with Red, White, and Green runners starting at 10am, and Blue and Yellow runners starting at 10:10am.

Spectators

Spectators are more than welcome and help lend to the superb atmosphere of this event.

With thousands of supporters coming out each year, a dedicated spectator zone, and excellent standing terraces, this event is just as special for spectators as it is for runners.

Make sure to arrive in plenty of time to grab the best spot to watch your athlete cross that finish line!

How to get there

25 Castle St, Cardiff CF10 1BT, UK

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Address: Castle St, Cardiff CF10 3RB

Parking

Cardiff City Football Stadium (Leckwith Road, Cardiff, CF11 8AZ), just 1 mile away from the event site, is the official site of the Park & Walk. This costs just £8 per car and £12 per minibus/coach and will be available for booking closer to the event date.

There are other parking facilities available including the option to park safely road-side.

By Train and Bus

Due to limited Sunday morning trains, please check your route and ensure your planned train leaves time to get to the race in time. Cardiff Central Station is the closest to the event site and has many services from major cities.

Similarly, there are a number of bus services available, however please account for extra road closures and arrive in plenty of time for the race. Please visit Cardiff Bus for more information.

By Car

From the East: Leave the M4 at junction 32 and take the first exit following the A470 towards the centre of Cardiff.

From the West: Leave the M4 at junction 33 and join the A4232 (3rd exit at roundabout). You can then either exit the A4232 at the next roundabout and follow signs for Cardiff city centre, or alternatively, there will be a diversion on the A4232 due to race road closures.

From the South West: Drive North along the M5 motorway and then follow signs for South Wales and the M4.

From the Midlands and North: Head for the M50 motorway (junction 8 on the M5 motorway) and then onto the A40 (signposted South Wales, Monmouth). Continue along the A40 until you reach Monmouth when the road becomes the A449. Continue along the A449 until you reach the Coldra roundabout. Here you should take the 5th exit to join the M4.

Frequently asked questions
FAQ
What is the cut-off time for the Cardiff Half Marathon?
To ensure roads open again and limit impact to the city, the cut-off time for the Cardiff Half Marathon is 4.5 hours. Runners falling behind this pace can be picked up by the sweeper vehicle or continue along the pavements.
FAQ
What is the minimum age to take part in the Cardiff Half Marathon?
Participants must be 17 years old on race day to enter the Cardiff Half Marathon.
FAQ
When will I receive my race pack for the Cardiff Half Marathon?
This will be sent to you in the post 1-3 weeks before the event.
FAQ
What times will the pacers be running at the Cardiff Half Marathon?
The Hoka One One Pacers will be running at the following paces: 1:30, 1:45, 2:00, 2:15, 2:30, and 3:00. They will be holding sail flags corresponding to each of these times and are a friendly group.
FAQ
Where can I purchase my race photos from the Cardiff Half Marathon?
All race photos can be purchased from the events official photographers Marathon Photos, and will be available 2 days after the event.
Booking related questionsDo you have a question about bookings, cancellations, or refunds?
Half Marathon
10:00am Sun 3rd Oct 2021

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Tickets on organiser’s site

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