Skip to content

Great Welsh Marathon

Great Welsh Marathon, Pembrey
Loading map…

Road runs in United Kingdom, Pembrey

Distances

  • Running

    Marathon

    42.2 km

    Start: Oct 15, 09:00 PM

  • Running

    Half Marathon

    21.1 km

    Start: Oct 15, 09:20 PM

  • Running

    10K

    10 km

    Start: Oct 15, 09:35 PM

About

A fast, flat route set on a Brand New course for 2027 — offering runners a superb opportunity to achieve their personal best. The event is a Abbott World Marathon Majors Qualifying Race with an accessible, scenic course and strong support along the route.

Catering & aid stations

On-course hydration and support provided by Brecon Carreg: water stations at kilometre 5 (10K), miles 3/6/9.5/12 (Half Marathon), and miles 3/6/10/14/18.5/22.5/25 (Marathon); water also available at the finish. Aid stations focus on hydration; runners are advised to bring their own pre-filled bottle or hydration pack and use recycling bins on route.

Pacers

Pacemaker/Pacer guidance: In the Marathon Majors Global Ranking (AbbottWMM qualifier) and on event day, pacers are deployed with target times per start wave and carry Pacerflaggen. Pacers help runners achieve target splits while staying on pace; details are provided in the Race Day Guide and on registration/start instructions.

Results

View official results

Surface mix

  • 100% asphalt

Typical weather in Pembrey

Monthly averages based on historical data (2000–present).

Jan
08:18
16:35
Feb
07:33
17:30
Mar10°
06:31
18:22
Apr12°
06:21
20:14
May15°
05:25
21:03
Jun17°12°
04:59
21:37
Jul19°14°
05:17
21:29
Aug19°14°
06:03
20:41
Sep17°13°
06:53
19:33
Oct14°11°
07:42
18:24
Nov11°
07:37
16:28
Dec
08:18
16:08

Weather data by Open-Meteo

Route maps

What's included in entry

  • Race number with integrated timing chip
  • Safety pins
  • On-course hydration (Brecon Carreg) at water stations
  • Integrated timing chip
  • Race pack posted ~2 weeks before race

FAQ

Results Queries

If you disagree with your result or believe there is a discrepancy please CLICK HERE to raise your query.

Am I Able To Transfer My Place To Someone Else?

Yes – Your entry into the Event is transferable, meaning that another person can compete in the Event under your competitor number in your place should you wish to Transfer. The deadline to transfer is the 31st January 2026. You are responsible for the transfer, which can be completed via the Njuko participant dashboard and there is a minimum charge of at least £12 (plus admin fees) to be paid by the transferee. Please note, you will not receive a refund from us for your original booking and if the transfer to an Event is of a higher value, you will incur a fee to the value of the difference in costs. In the event You are found to have transferred your race entry to another person, without following the Event procedure your race number will be disqualified from the Event.

Am I Able To Transfer My Place To Another Front Runner Event?

Yes – You are able to transfer your entry into another Front Runner Event, you will not be subject to a fee and you will not receive a refund. All transfers can be done via your Njuko participant dashboard and any difference in entry cost will need to be paid by you. The deadline for an event-to-event transfer is: 31st January 2026. Please note, you will not receive a refund from us for your original booking and if the transfer to an Event is of a higher value, you will incur a fee to the value of the difference in costs. In the event you are found to have transferred your race entry to another person, without following the event procedure, your number will be disqualified from the race and jeopardise entry at future races.

Am I able to defer my entry?

Yes – you can defer your entry if you are injured, have a medical condition or are pregnant or postpartum, which is preventing you from taking part. Your entry can be deferred once and into the subsequent year’s event and must be completed by 4th March 2026. You will need to do this via your Njuko participant dashboard and will be asked to provide proof of injury/medical/maternity note. A deferral fee of £30 (+ bf) will be applicable once your application to defer has been approved. Once approved a registration form MUST be completed to confirm your entry into the subsequent year’s event.

Can I have a refund if I can no longer take part?

Unfortunately, we are unable to offer refunds. This is due to the costs associated with the preparation and planning of the event. However, if you purchased the Refund Protect ‘Ticket Protection’ at point of entry you can find more information about making your claim here. Ticket Protection is a stand-alone Agreement between You and Refund Protect. Front Runner Events cannot assist with any claims or enquiries in respect of this.

Will water be available on the course?

Our hydration partner, Brecon Carreg will provide water at stations along the route: At kilometre 5 of the 10K. At miles 3, 6, 9.5 and 12 of the half marathon At miles 3, 6, 10, 14, 18.5, 22.5 and 25 of the marathon Water will also be available at the finish. Please help us by bringing your own pre-filled water bottle or hydration pack and dispose any water bottles you use in the recycling bins on the course to keep our route clean and green.

What is in my race pack

Race packs will be posted out to you approximately 2 weeks prior to Race Day. Your race pack contains your race number with integrated timing chip, along with safety pins.

Can I register on the day?

No – there will be no entry or registration on the day for half marathon or marathon.

Is there a cut off time?

Yes, there is a cut off time of 4 hours for the Half and 6 hours for the Full.

Are there toilets on the course?

Yes, there will be toilets located throughout the course and in the race village. They will be stocked and replenished throughout the event but it’s always advisable to bring pocket tissues just in case you’re caught short. There will be women-only toilets stocked with sanitary items and urinals.

If I suffer an injury on race day, what support is available?

St John Cymru Wales will be in attendance across the entirety of the route and for the duration of the event.

Can I raise money for charity?

Yes, you will need to contact them directly for a fundraising pack.

Can I run in fancy dress?

Running in fancy dress is welcomed, however if your outfit is likely to impede other runners please contact info@frontrunnerevents.co.uk

Can I run with headphones?

In line with Welsh Athletics rules, headphones are no longer permitted, unless they are bone conducting.

Where is the race start?

The race start & finish is located in Pembrey Country Park (SA16 0EJ), there will be Marshalls to direct you once you enter the park.

What time does the race start?

The Full Marathon will start at 9.00am*, the Half Marathon will start at 9.20am* and the 10K will start at 9.35. Please note, all runners must be parked at Pembrey Country Park by 8.30am, regardless of event distance. *Start times are subject to change based on conditions on the day of the event

Can I drop down to the half or 10K?

Yes, you can. You will need to login to your Njuko participant dashboard to make this change, the latest date you can do this is the 31st January 2026. This will allow for the correct race packs to be sent with the correct timing chip and bib.

iTab queries

You can order an iTab when you register for our race and up to 1 week after the event. To order yours after registration CLICK HERE. Any queries on your iTab order can be sent to info@mysportingtimes.com

What is the route elevation?

The course is very flat, for more information on the elevation profile CLICK HERE.

Is there parking available?

Yes, there is plenty of parking available within Pembrey Country Park. You’ll find event parking signposted on arrival to the park as well as Marshalls who will be there to direct you. Please ensure you arrive as early as possible to allow yourself enough time to enter the park (as there will be heavy congestion), find a park space and be ready to race from 8.30am. The race village will be open from 7am and will have refreshments available to purchase. Please note, parking is managed by Carmarthenshire County Council and parking charges will apply. To book your parking ahead of the race CLICK HERE. All vehicles and property are left are at your own risk.

Last updated: Jun 6, 2026, 12:30:47 AM

Get RaceAlerts

We'll email you when races match your filters. No spam — only what fits your goals.

Related runs