GPX track and published figures
The linked GPX indicates 161.4 km from the GPX · 9,248 m ascent from the GPX.
Organiser-published figures and values calculated from the GPX remain separate: a track depends on its version and sampling.
Ultra-Trail Snowdonia by UTMB®
Ultra-Trail Snowdonia by UTMB® - Eryri 100M
Organised by UTMB® World Series
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Route reference
Prepare the Ultra-Trail Snowdonia by UTMB® - Eryri 100M route
The Ultra-Trail Snowdonia by UTMB® - Eryri 100M 2026 page brings together published data for this running route.
The route is listed from Llanberis, United Kingdom to an unpublished finish, with an unpublished distance and an unpublished ascent on the page.
Listed organiser: UTMB® World Series.
- Start / area
- Llanberis, United Kingdom
- Edition
- 2026
Documented checkpoints and aid stations
This page lists 12 aid station(s) or life base(s), 1 point(s) with water listed, and 10 checkpoint(s).
- Bwlch Glas (Finger Stone) · km 7.1
- Pen-y-Pass · km 12
- Glyder Fawr · km 15.1
- Ogwen Valley · km 21.9
- Carnedd Llewelyn · km 29.4
- Llyn Eigiau · km 37.2
- Capel Curig · km 49.5
- Moel Siabod · km 53.4
- Dolwyddelan · km 59.8
- Blaenau Ffestiniog · km 72.3
- Moelwyn Mawr · km 81.4
- Croesor · km 84.6
- Cnicht · km 88
- Gwastadanas Farm · km 98.2
- Beddgelert · km 112.3
- Moel Hebog · km 116
- Rhyd-Ddu · km 126.7
- Yr Wyddfa/Snowdon · km 132.9
- Bron-y-Fedw Uchaf · km 139.2
- Mynydd Mawr · km 143.4
- Betws Garmon · km 147.5
- Moel Eilio · km 154.4
Sources reviewed
This page shows 1 official source(s) and 1 source(s) with a recorded review date. Updates from the organiser always take precedence.
Latest recorded check: 15 September 2026.
Frequently asked questions
Is the Ultra-Trail Snowdonia by UTMB® - Eryri 100M GPX available?
Yes. The track and its profile can be viewed here, and the file is available as a free download from this page.
Do these details replace the organiser's instructions?
No. This page makes sources easier to consult and separates published data from GPX calculations. Check the latest official instructions before the start.
Reviewed information
Preparation and points to check
Differences and information still uncertain
These items are shown explicitly so an approximation is never presented as official data.
- Les heures de barrière ne sont publiées que lorsqu’elles correspondent à l’édition de la fiche.
Check the information
Sources and provenance
These links point to the documents used. The organiser's instructions remain authoritative if they change.
- Page de course, GPX et points officiels UTMB® World SeriesOfficialOpen source