Great Welsh Ultra
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Only those with bones of steel should tackle this mammoth 200km Ultra across Wales. Spanning 2 days, participants will take on the toughest single stage foot-race in the world and trek past stunning Welsh scenes. Come for the ultimate challenge, and a finisher's medal to mark your achievements.
4:00am Sat 18th Sep 2021
Machynlleth, United Kingdom
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Where and when
Machynlleth SY20, UK
4:00am Sat 18th Sep 2021
Here are the distances available for Great Welsh Ultra
£195 - £235
Machynlleth to Cardiff: 200km, 5200m Height Gain
This spectacular route starts in Machynlleth, an historic town that was once the administrative capital of Wales, it follows Glyndwr's Way, the Wye Valley Walk Way, the Black Mountains, the Waun Fach Ridge, Coety Mountain and into Cardiff, the modern-day capital of Wales, finishing at the Millenium Centre, Cardiff Bay.
Follow along National Trails, peaceful rivers, remote hills, mountains and villages in the toughest single stage foot-races in the world.
*There will be an indoor sleeping area at approximately half-way where you can choose to sleep or continue on. The clock keeps going no matter what you choose.
Below is the route details broken down into more manageable sections. The bracketed number is the total distance traveled:
From Machynlleth the route follows the famous National Trail Glyndwrs Way all the way to the banks of Llyn Clywedog. The route is a mix of ridges, forests and tracks all through stunning mid-Wales countryside.
2. 29km (61km)
From the banks of Llyn Clywedog follow Glyndwrs Way to the village of LLanidloes. Participants will head across country over the river Severn to the village of Llangurig, cross the River Wye, and follow the Wye Valley Walk for a further 5km.
3. 28km (89km)
Stay on the beautiful Wye Valley Walk and pass through the town of Rhayader and on to the town of Newbridge on Wye.
4. 31km (120km)
Starting in Newbridge on Wye continue the journey on the Wye Valley Walk with views of the river from ridges and forest. Pass through the town of Builth Wells and carry on south to the village of Llyswen.
5. 32km (152km)
Head south on rural roads to the town of Talgarth before heading up to the high summit of Waun Fach 809m. Stay high on the magnificent ridge taking in the summits of Pen Allt-Mawr 720m and the summit of Pen Cerrig Calch 707m before dropping down into the village of Crickhowell.
6. 30km (184km)
The journey towards the capital, Cardiff, is now becoming a reality. There's a noticeable climb out of Crickhowell to the summit of Mynydd Llangatwyg, then a descent to Brynmawr before climbing the last significant peak of Coity Mountain, on the ridge line that runs all the way to Newbridge.
7. 18km (200km)
The end is in sight. Participants will travel south from Newbridge, cross rolling hills before joining the Forge Trail. Head past Llanishen Reservoir and Roath Park Lake and onto the final stretch and the finish line at The Millennium Centre in Cardiff Bay.
Organiser route images
- 7 Checkpoints with food and drink
- GPS tracking
- 2 indoor checkpoints stocked with hot food and drinks
- Bag drop and bag transportation
- Event merchandise
- Professional photography
- Timing and live-results
- Medical support
- Event marshals
How to get there
Machynlleth SY20, UKGet full directions
Start Address: Machynlleth SY20, UK
Finish Address: Millennium Centre, Cardiff Bay
Participants are responsible for accommodation on Friday evening, and there is plenty to choose from in Machynlleth.
For those driving, you can leave your car at the finish and travel by private coach to Machynlleth. Leaving Cardiff at 12 noon on Friday and it will cost an additional £40.
Event day logistics
16:00 Registration/Kit Check
18:00 Race Brief
04:00 Race Start
11:59 Race Cut-off Time
Cut-off times are strict and listed below.
- CP1 Staylittle - 9am
- CP2 Llanidloes - Midday
- CP3 Rhayader - 7pm
- CP4 Builth Wells - Midnight
- CP5 Talgarth - 7am
- CP6 Crickhowell - 1pm
- CP7 Mynyddislwyn - 7pm
- Finish Cardiff Bay - 11:59pm
Do I need a support crew?
While you don't need one, it would be beneficial to have one. Support crews can meet participants at any point of the route, but are not permitted to run with you. Please let the event organisers know of their mobile phone numbers at registration.
What if I want to end my participation before I complete the event?
Contact the event mobile or speak to a marshal and a minibus will collect you and take you to the closest checkpoint. From here you can arrange your own transport home. If it is an emergency, please call 999 before calling the event organisers.
Do I have to have all the equipment listed?
Yes, equipment checks will be carried out at registration and at checkpoints so please make sure you have everything required.
Are there any pre-requirements to entering?
While there is no hard requirement, participants are recommended to have completed a 50km - 100km event before entering this event. GPS trackers and checkpoints will be provided but support crews are encouraged.
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