How far is the Snowdon Ultra 50?

The Snowdon Ultra 50 is one distance: 45 Mile (72.4 km).

How much climbing is in the Snowdon Ultra 50?

The 45 Mile has 2,800 m of ascent.

What are the cut-offs for the Snowdon Ultra 50?

Overall time limits — 45 Mile: 20h.

When is the next Snowdon Ultra 50?

Sat, 5 Sept 2026, 06:15. Entries open.

Betws-y-Coed, Conwy

GB Ultras Snowdon Ultra 50

Sat, 5 Sept 2026

Forty-five mountain miles from Betws-y-Coed.

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What runners wore

Nobody has told us what they wore on the Snowdon Ultra 50 yet. It is the thing most runners want to know before they enter, and no organiser publishes it.

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The course

72.4

km · 45.0 mi

2,800

m ascent

20h cut-off

Terrain and trail

mountainfell

Reviews

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How to enter

Sat, 5 Sept 2026 · Entries open

No entry link yet. Check GB Ultras’s site ↗

Common questions

: The Snowdon Ultra 50 is one distance: 45 Mile (72.4 km).
: The 45 Mile has 2,800 m of ascent.
: Not graded yet. A TRP grade is worked out from distance and climb measured off the course file, and there isn't one for the Snowdon Ultra 50 yet.
: We haven't confirmed the marking on the Snowdon Ultra 50 with GB Ultras. Check their race information before you enter rather than assuming it either way.
: We don't hold a compulsory kit list for the Snowdon Ultra 50. GB Ultras confirm mandatory kit in their race information, usually in the final instructions.
: Overall time limits — 45 Mile: 20h.
: We don't hold a checkpoint list for the Snowdon Ultra 50. What's on the table varies a lot between races, so check the GB Ultras race information rather than turning up expecting food.
: Not yet — we don't hold a course file for the Snowdon Ultra 50. Some organisers only send the GPX to entrants. If we get one, it goes up free, with no sign-up.
: Sat, 5 Sept 2026, 06:15. Entries open.