Time & Location
22 May 2026, 04:30 – 23:50
Llanberis, Llanberis, Caernarfon LL55, UK
About the event
The mountains;
1. Crib Goch, 3028ft
2. Garnedd Ugain, 3494ft
3. Snowdon, 3559ft
4. Elidir Fawr, 3031ft
5. Y Garn, 3106ft
6. Glyder Fawr, 3284ft
7. Glyder Fach, 3261ft
8. Tryfan, 3011ft
9. Pen yr Ole Wen, 3208ft
10. Carnedd Dafydd, 3425ft
11. Carnedd Llewelyn, 3490ft
12. Yr Elen, 3156ft
13. Foel Grach, 3202ft
14. Garnedd Gwenllian, 3038ft
15. Foel-Fras, 3090ft
Start time: 4.30am Llanberis
Finish time: 11.00pm approx (18 hours average 'good' finish time)
This is a superb challenge, a fab bucketlist must if you love the Eryri/Snowdonia National park. The hike spans 3 mountain ranges and we will tackle this in just 1 day... you must have great mountain fitness and be able to keep a fast pace for the most part.
The perfect candidate should have previously completed a challenging grade 1 scramble, excel in navigating steep descents, and be capable of maintaining a leader's pace of approximately 4-5 kph on mountainous terrain. (4 uphill or 5kph on the descents) This would be a great challenge for anyone who has completed Ultra distances on similar terrain before.
This is not a running challange but similar fitness is absolutely necessary to complete the challenge in under 24 hours.
Distance: 50km
Ascent: 4000m including the same in descent
Difficulty level: Very difficult/challenging/
Experience: Grade 1 scramble experience
Recommeneded kit: Trail shoes, walking poles, lightweight pack
Accomodation: Local to Llanberis ready for a 4.30am start
YHA Llanberis
Royal Victoria Hotel
Any accomodation in Llanberis
You may need to book two nights accomodation to allow an early start and a late finish in the evening (you will miss most check in times) or have some ground support (friend/family) to drop off/collect you from the start and finsh. You will be met at two road junctions with water stops, pre-planned food/fuel throughout the challenge so you will not have to carry all your supplies.
You will have 2-3 mountain leaders throughout your challenge who will switch leads to make sure they are rested and fully prepared to support you at each stage!
Do something epic ❤️
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