Snowdon Ultra 50 & 100 Mile

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Calling all ultra runners looking for their next challenge. The Snowdon Ultra is a must-do event, with a route in Snowdonia National Park following the Slate Trail, there'll be incredible panoramic views from gun to tape.
100 Miles and 50 Miles
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5:30am Sat 3rd Sep 2022 - 6:00am Sat 3rd Sep 2022
View logistics
Betws-y-Coed, United Kingdom
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Where and when
Cae Llan Car Park, Station Rd, Betws-y-Coed LL24 0AE, UK
Start times
6:00am Sat 3rd Sep 2022
50 Miles:
5:30am Sat 3rd Sep 2022
100 Miles:
Event summary
Here are the distances available for Snowdon Ultra 50 & 100 Mile
50 Miles
£77 - £79
100 Miles
£147 - £149
Route information
Both the 50 and 100 mile routes follow the Snowdonia Slate Trail.
The 50 mile route will have an ascent of 2785m across the course. You'll pass Swallow Falls to the foot of the Snowdonia Mountains, up towards the Heather Terrace on Tryfan, Snowdon Summit and many more legendary points of interest in the Snowdonia National Park.
The 100 Mile route is the same as the 50 mile for the first half and leaves Betws-y-Coed (where the 50 mile route finishes) and heads to Beddgelert via the Snowdonia Slate Trail leaving the trail for ascents of Cnicht (689m) before heading through Nant Gwynant Valley passing Sygun Copper Mine, Llyn Dinas and Llyn Gwynant. Runners then finish the race with the ascent of Moel Siabod. There'll be 5483m of ascent.
What's included
  • Snowdon Ultra Buckle (Gold, Silver & Bronze)
  • Bespoke trophies for top 3 male and female
  • GPS tracking
  • Training runs
  • Support stations
How to get there
Cae Llan Car Park, Station Rd, Betws-y-Coed LL24 0AE, UK
Get full directionsExternalLink
There is a 'Long Stay' 24 hour car park at Betws-y-Coed for £6. Please bring both exact cash and card in case there is a fault with the pay and display machine.
Parking may be limited so please car share where possible.
Event day logistics
17:00 - 21:00 Event team setup
05:00 - 05:30 GB race tracker collection
05:30 - 06:00 100 mile starts
06:00 - 08:00 50 mile starts
Registration and Start/ Finish Location
You'll pick up your tracker and race number from registration at Cae Llan/Village Green, Station Road, Betws-Y-Coed, LL24 0AE.
* In severe weather registration and the start/ finish line will be at Betws-y-Coed Memorial Hall, Pentre Felin, Betws-y-Coed LL24 0BB.
Age Restrictions + Qualifying Critera
  • All runners for both the 50 and 100 mile ultras must be at least 20 years old to take part in this event.
  • You must be in good health and have run at least a 50 mile ultra before.
  • Runners are expected to be competent map readers for their own safety willing to use their map & compass throughout the event especially in low cloud/poor weather conditions and a night time.
There will be 10 checkpoints (6 for the 50 mile race) across the course offering the highest level of support possible to runners. A support team will be there to help you complete this run. There will be cut off times to keep runners on track to complete the ultra in 24/48hrs.
  • Checkpoint 1 - 9 Miles - SH68510 60202
  • Checkpoint 2 - 13 Miles - SH66150 55920
  • Checkpoint 3 - 23 Miles - SH66150 55920
  • Checkpoint 4 - 28 Miles - SH64968 60372
  • Checkpoint 5 - 32 Miles - SH68510 60202
  • Checkpoint 6 - 40 Miles - SH75665 61843
  • 50 Mile Finish/Checkpoint 7 - SH79450 56498 - Cut off 6.15am Sunday
  • Checkpoint 8 - 76 Miles - SH63149 44686
  • Checkpoint 9 - 88 Miles - SH58781 48129
  • Finish – 100 Miles - SH79450 56498 - Cut off 6.15am Monday
Compulsory Pairing at Checkpoint 3 & 4
After a 15:00, runners arriving at checkpoint 3 must wait to pair with at least one other runner. The same is for runners arriving at checkpoint 4 at 16:00.
What level or fitness so I need to be at to take part in the Snowdon Ultra 50 & 100 Mile?
You should be in good health and completed an ultra marathon before. You'll also need to be at least 20 years old and competent at reading maps.
Will there be support on the Snowdon Ultra 50 & 100 Mile course?
Yes, there'll be checkpoints every 6-10 miles with the best support possible will be provided.
How will I know what route to follow for the Snowdon Ultra 50 & 100 Mile?
You can familiarise yourself with the route maps on this page and download the GPX files. You'll also be given hard copies of the route maps on the day before you start (you should be confident at reading maps, especially in low cloud/ poor conditions).
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