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Brechfa Forest is one of Wales' spectacular hidden secrets. It's incredible there is something so vast just 90 minutes from Cardiff. It's easy to be overwhelmed by the size of the place but, fortunately for us, Natural Resources Wales have created some gorgeous routes with open panoramic views, quiet and serene pine forests and waterfall laden deciduous woods.
A 13 mile loop allows you to choose one, or two laps. This is a perfect race as either your A race for a fast trail race or as a part of your training for another race. The benefit of laps for the latter is that you can practice fuelling, carrying your equipment and have some company for those long training runs. Which distance will you choose; half marathon or marathon?
Our Radyr and Machen Races are challenging as they have many technical sections. If you are new to trail running this is the race for you. We specifically put this race on as most of the route are forestry tracks where navigation is easier, and there are less technical sections. That said, many have told us that this is their favourite of all our events - though that may be down to the amazing soup that the Pobl Y Fforest make for you at the finish!
You can find a preview of the route here. It's the Wind and Water Trail.
What you'll get
A professionally run event with full medical support, aid stations and free photographs. The route is fully signed and our friendly marshals will be at regular intervals to provide support and, of course, aid station snacks and water.
Every finisher will receive a 'finishers medal'. There will also be prizes for the
1st, 2nd and 3rd Male
1st, 2nd and 3rd Female
1st Male Veteran (over 45)
1st Female Veteran (over 45)
Race details
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Date: Saturday 14 March 2026
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Marathon race start: 9.00
Registration opens: 7.00
Registration closes: 8.45
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Half marathon race start: 10:00,
Registration reopens: 7:00
Registration closes: 9.45
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There will be a kit check at registration – no kit, no entry. A full kit list and more information can be found here.
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The venue for the race is:
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Keepers Car Park
Brechfa Forest
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Note: There is limited parking at the venue. There is parking in nearby Brechfa Village. We will put on a shuttle bus which is included in your entry fee.
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Costs
Half Marathon: £40
Full Marathon: £50
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Cut offs
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Half marathon and marathon
The cut off for all races is 17.00.
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Disclaimer: We reserve the right to pull entrants if they appear unable to complete the course following medical advice even if they are within the cut off times. The safety of our runners is paramount.
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Travel
Unfortunately there are no trains directly to Brechfa - Please car share if you can to reduce your carbon footprint.
See note above on Parking - we are working on this.
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Facilities
There are toilets at the event venue.
There will be snacks and water at the aid stations.
