Dyfi ULTRA 50 Miles


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A 50 mile/80km ULTRA marathon along coast, trail, mountain, river and forest in south Snowdonia taking in several peaks including the iconic summit of Cadair Idris. This is a challenging, stunning route, and is at times remote. Total height gain 3200m.
Where and when
Bus Stop at Neuadd Dyfi, Aberdyfi, Aberdovey LL35 0NR, UK
Start times
Sat 5th Jun 2021
Dyfi ULTRA 50 Miles:
Races summary
Here's what races are available for Dyfi ULTRA 50 Miles
Dyfi ULTRA 50 Miles
Route information
  • The whole of the Cadair Idris massif and ridge line, from sea to summit
  • Breath-taking views over the Mawwddach estuary, the Dyfi estuary & the Dysynni Valley
  • 15 peaks that a far from the crowds​
  • The Welsh Coastal Path
  • Dyfi Forest
  • The Dyfi Biosphere
  • The beautiful, historic fishing village of Aberdyfi
  • The route reaches remote peaks and parts of Snowdonia that few have journeyed through
As well as covering sections of the Welsh Coastal Path, and the whole of the iconic Cadair Idris ridge line, you will also summit several remote peaks around the Dyfi Estuary which is a UNESCO Biosphere Reserve. It is a beautiful part of Snowdonia, which you will come to realise on your 50 mile journey. Quite possibly the most beautiful and least travelled 50 mile Ultra in the UK.
How to get there
Bus Stop at Neuadd Dyfi, Aberdyfi, Aberdovey LL35 0NR, UK
Get full directionsExternalLink
Event day logistics
  • Race HQ: Neuadd DyfiExternalLink, Aberdovey LL35 0NR
  • Registration: Fri 18:00 - 19:45
  • Race Briefing: 05:45
  • Race start: 06:00
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Kit List
  • Online live GPS Tracking for each competitor
  • Live leader-board/positions & results
  • SiEntries processing fee
  • 4 UTMB points (pending)
  • Four main check points with a range of nutrition & drinks
  • An additional aid station on the summit of Cadair Idris
  • Professional event photosExternalLink included
  • Finisher's special edition bottle opener
  • FREE Reccie run 
  • Post-race hot drinks and refreshments included​​
  • Option to book floorspace in the Neauadd Dyfi on the Friday/Saturday night (£5 per night)
  • Transport back from cut-off if required. CP3, 55km - 11hr (18:30)
  • Event safety cover throughout
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