Black Diamond Yr Wyddfa Snowdon24
Yr Wyddfa (Snowdon) is the highest mountain in England and Wales. Your challenge is to ascend and descend as many times as possible in 24 hours - solo or as a relay team.
Enter now- Sat 11 - Sun 12 Jul 2026
- Early bird
Early bird on now
10:00
Age 18 & over
£121.99-£374.99
- 24 hrs trail running + 3182 ft ascent
Event overview
Your ticket to compete in one of the UK's most challenging trail races.
The incredible routes explore the trails, gorgeous panoramic views and tough climbs that make Snowdonia National Park so popular with outdoor enthusiasts.
Visiting Rhyd Ddu, Beddgelert, Nant Gwynant, Pen y Pass, and Snowdon, there surely can't be a more striking trail marathon route in the UK!
Highlights
One of the UK's most challenging trail races
The ultra and 24hr event are UTMB-indexed.
Spectacular scenery
Unbeatable views across Eryri (Snowdonia).
Lively event village
Music, commentary, shopping, food, kit demos and toilets.
Family friendly vibes
Family finishes and plenty to see and do.
Support and fuel
Friendly marshals, signage, energy stations and support vehicles.
Unique finisher mementos
Beautifully designed to reflect our event locations and local history.
Professional timing
Chip timing, live tracker and online results.
This event is part of Snowdonia Trail Marathon Eryri Events.
Event details
- All fitness levels
- Event expo
- Event village
- Families
- Free venue entry
- Newcomers
- Spectators
- Teams
- Traders at event
Route
- Cut off time
- First aid
- Food stations
- Marshals
- Mass start
- Mountainous
- Multiple laps
- No headphones
- Sleeping facilities
- Timed section
- Toilets
- Water stations
- GPX available
Location
- Cafe
- Mountains
- Music
- Paid parking
- Secure bag storage
- Toilets
What's included
- Chip timing
- Eco medal
- Event app
Sustainability
- Bring your own cup
- Plastic bottle free
- Plastic-free event
- Public transport links
- Recycling
- Reusable cups
- Sustainability policy
Other races at event
- Sat 11 Jul 2026
- #1 of 0
09:30
Age 17 & over
£31.99-£37.99
- 9.8 km trail running + 1335 ft ascent
- Sun 12 Jul 2026
- #2 of 0
09:00
Age 17 & over
£44.99-£49.99
- 12.9 miles trail running + 3959 ft ascent
- Sun 12 Jul 2026
- #3 of 0
08:30
Age 18 & over
£59.99-£64.99
- 27.3 miles trail running + 5433 ft ascent
- Sun 12 Jul 2026
- #4 of 0
06:30
Age 20 & over
£97.99-£104.99
- 57 km trail running + 7171 ft ascent