Yr Wyddfa / Snowdon 24

Yr Wyddfa / Snowdon 24

Saturday, 11 July 2026

Llanberis, Caernarfon, UK

Follow event Run/Walk Off Road/Trail Relay

The Yr Wyddfa / Snowdon 24 on 11 July 2026, challenges endurance runners to ascend and descend Snowdon as many times as possible in 24 hours.

Based in Llanberis village the route goes up and down the Llanberis Path; a 15km out and back route taking you past the legendary Half Way House, Allt Moses, Clogwyn Bridge and ultimately on to the summit before heading back down.

The winners of the event will be the athletes who complete as many ascents and descents as possible within the 24 hour period.

Being UTMB Indexed, this is also a great qualifying or preparation race for UTMB Mont Blanc. The individual challenges mean that there is a 50km, 100km and 100 mile UTMB indexed challenge. The event can also be entered as a pair or team (up to 5) in a relay format.

This event is held on the same weekend as the Snowdonia Trail Marathon Eryri events.

Organiser

Always Aim High Events

Distances/Events

Multiple 15K laps - 24 Hour limit
- Solo
- Pairs relay
- Team relay (max 5 people)

Location map

The event village and start & finish for all distances is in Llanberis.

Please note: the map location may be approximate. Refer to the event website for start lines and course maps.

Disclaimer

Running Calendar is an event listing site created as a resource for runners/walkers/athletes. We have no affiliation with the events listed, nor do we endorse or recommend them.

Listings are based on information found on the official event website, facebook page and/or from event directors.

We endeavour to keep these as up-to-date as possible, however we accept no responsibility or liability for any errors/omissions in the content of this site or that of any third party links provided in our listings. Information can be subject to change without notice.

Always check with the official event website and/or facebook page for the most recent information. 

This listing was last manually checked on 1 September 2025.

Nearby Events

More nearby events