Beacons to the Blacks

09-10 Sep 2023 (Sat - Sun)


Ultra marathon - 80.45km, Marathon, Half marathon, 12km

Beacons to the Blacks

schedule 24h ticket cancellation

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Join Beacons to the Blacks 2023

We are very excited to bring this spectacular event to you! A 50 Mile Ultra Marathon & Marathon. The 50 Mile Ultra and Marathon start at Llangynidr in the beautiful Brecon Beacons and finishing deep in the heart of the Black Mountains.

The Half Marathon & 12km will start and finish at Perth y Pia Llanbedr NP8 1SY- time tbc - these routes will be marked.

This long-distance challenge is one that will fulfil the elite and seasoned runner whilst also offering amazing support for the less experienced trail runner. With well-stocked checkpoints and our amazing support team, you will be safe in the knowledge that you’ll be well looked after whilst throughout the duration of your time with us. Support crews and supporters will be most welcome during the event.

The 50 Mile Ultra and Marathon participants will receive waterproof maps and Trackers that must be attached to your pack and kept on for the entirety of the event.

Friday evening the Team will welcome you to Race HQ at Perth Y Pia– camping and parking will be available. Registration and kit check will be available for an easier pre-race morning. For those unable to attend Friday please do not worry as there will also be registration available from 6 am-6:45 am Saturday morning. Race briefing will be at 6:45 am. Transport to the start will be arranged.

This Trail Challenge is self-navigation, so exceptional knowledge of how to use a map and a compass is compulsory and will be checked at kit check. We will be supporting certain areas that may lead to some confusion with flags and signs, but please do not rely on these. Our pledge not to use tape stands. Participants on the 50-Mile Ultra and Marathon will be tracked by our team throughout the entire race. Family and friends will be able to monitor and support you along your race.

Each competitor will pass a stringent kit check during registration and at the main Check Point Zone on route. Mountain Rules set by the Local Mountain Rescue Team must be obeyed.

There will be incredible support on your challenge, a first-class Medical team and mountain medics on the route. Our aim is to ensure that your experience will inject confidence with the knowledge that the Limitless Trail Team will do everything to make this challenge an amazing achievement and experience. Hopefully, it will inspire you to achieve and fulfil future goals and aspirations that you may have to push that bit further.

On route, we will be supporting you with Check Points and water stations. Some of these Checkpoints will also have hot food. Medical advice given to any runner not to continue must be followed, if not then the organisers do not accept any responsibility if the participant continues - you do so at your own risk. We will have a team of physiotherapists on-site to offer any light relief.

Support crews, friends and families are more than welcome to attend and assist runners at checkpoints. No outside help is allowed at any other points on the course. We ask that runners take president overall – please do not gather around checkpoints. Give our runners a clear path in and out. This is a small residential area so please keep the noise down to a minimum and be considerate when parking. More details will follow in the final event email.

During the event you will also be supported by a full mobile medical unit, support runners will be on the course at various locations if needed – all are well experienced within this Mountain Range.

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Course details

Course profile
Course surface
Other tags
Single track
Single Loop
ECO Friendly
Course highlights
50 Mile Ultra and Marathon: Starting at Llangynidr the route takes you straight up towards Pen y Fan via Fan y Big and Cribin- Pen y Fan the highest point in South Wales. Leaving PYF you head over Corn Du and drop down to the Storey Arms before heading back up to the ridge, following Graig Fan Du you drop down and cross the valley heading towards Pontsticill Resevervoir before once again climbing to Waun Rhydd and joining the Marathon route 26 - The marathon route will head from Llangynidr up to the reservoir before joining the 50-mile route near Tor y Foel. Taking the Beacons way you head towards Llangynidr before crossing to climb Mynydd Llangorse, The Dragons Back and hitting Waun Fach in the Black Mountains before your descent back to Perth y Pia. The Half Marathon & 12km will leave HQ into the village of Llanbedr - from there they will head up to Crug Mawr. The 12km split left before the summit while the the Half Marathon hit the summit before descending down the beautiful valley of Partrishow. Following the Beacons way for a short section, you will head towards the forest and Cadwgan. A gentle ascent will lead you through the Mynydd Du Forest with a technical section that never fails to amaze. The 12km re-joining the route while being greeted by beautiful views of the surrounding Black Mountains you have a fast trail down through the Grwyney Vale Valley. A short lane section to follow before you climb once again back up towards the Table Mountain and final fast but steep descent to the finish. Fully marked course ULTRA 50 HEIGHT GAIN = 10442FT MARATHON HEIGHT GAIN = 5869FT HALF MARATHON = 3935FT 12KM = 2220FT
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Start address: Llangynidr, Crickhowell NP8 1LS, UK

Finish address: Llangynidr, Crickhowell NP8 1LS, UK


Registration closes on 09 September (169 days left)


12.00 Km

More information

42 EUR


21.10 Km

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54 EUR


42.20 Km

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68 EUR

50 miles

80.45 Km

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96 EUR

selected tickets

selected tickets



You can, within 24 hours after your registration, get a full refund if you change your mind.

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What’s included

These are included in your entry
  • done Finisher medal

  • done Timing chip (single use)

  • done Photo Service

  • done Post-race meal info

  • done Massage

  • done Parking info

  • done Drink Stations info

  • done Nutrition Stations info

  • done Medical Assistance

  • done Bag drop

  • done Toilets

  • done Camping

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Beacons to the Blacks

schedule 24h ticket cancellation

local_activity Deals & Discounts

verified_user Refundable Booking

The race information has been found on the official website of the event or through publicly available sources. Always refer to the official website the latest race information. Please let us know if any data is wrong or missing, by emailing us.