Trail 50k events in the United Kingdom
Find trail 50k events in the United Kingdom. Compare 45 upcoming events by date and location. Open a race guide for the course, recorded editions and official entry information where available.
Events to explore include Black Beacon Mountain Races, Five Trails 50K & Three Trails Half Marathon and The Copthorne Races.
Narrow your search to England, Wales and Scotland.
Compare running races by distance, date and surface, from shorter road events to trail races and ultras.
48 listed events · 45 with upcoming dates
Upcoming 50k events
45 matching events, earliest date first. Entry availability is shown separately.
Black Beacon Mountain Races
WALHay-on-Wye / Pontneddfechan, Powys
Four mountain trail distances in the Bannau Brycheiniog area.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Five Trails 50K & Three Trails Half Marathon
ENGGraffham, West Sussex
Five Trails 50K & Three Trails Half Marathon — 50K, Half at Graffham and the South Downs.
Date listed · latest organiser confirmation not yet checked.
The Copthorne Races
ENGMickleham, Surrey
Looped trail ultras around Box Hill, Mickleham and Headley, with a separate Thursday start for the 200-mile event.
Date listed · latest organiser confirmation not yet checked.
UK Ultra Winter on the Downs
ENGPlumpton, East Sussex
Winter trail races from Plumpton Racecourse.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Hurtwood 50K
ENGDorking, Surrey
Hurtwood 50K — 50K at Dorking and the Surrey Hills.
Date listed · latest organiser confirmation not yet checked.
MindOverMoors Twin Falls 50K
ENGGoathland, North Yorkshire
MindOverMoors Twin Falls 50K in Goathland.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
UK Ultra Hibernal Hills 50 Miles, 50K & 20 Miles
ENGDitcham Park School, Petersfield
Running event in Ditcham Park School, Petersfield.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Dartmoor Winter Traverse
ENGDartmoor, Devon
Running event in Dartmoor, Devon.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
BigMud Trails (EARTH)
ENGHorndean, Hampshire
BigMud Trails (EARTH) — Meon Valley, Hampshire.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
North Downs Ridge 50K Trail Ultra
ENGDenbies Wine Estate, Dorking
Running event in Denbies Wine Estate, Dorking.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Harrold Odell Trail Races
ENGBedfordshire, South of England
Harrold Odell Trail Races — Harrold Odell Country Park, Harrold, Bedfordshire. Listed on runABC (South of England).
Date listed · latest organiser confirmation not yet checked.
Bath 50 Ultra Challenge
ENGLansdown, Bath
Running event in Lansdown, Bath.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Centurion Hundred Hills 50K
ENGChiltern Hills
Running event in Chiltern Hills.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
London Lea Valley 50K Ultra & Gratitude 25K
ENGWelwyn Garden City to Hackney Wick, East London
Running event in Welwyn Garden City to Hackney Wick, East London.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Total Coastal Ultra, Half Marathon & 10K
ENGKingswear to Shaldon, Devon
Running event in Kingswear to Shaldon, Devon.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
UK Ultra Springtide 50K & Half Marathon
ENGArundel, West Sussex
Running event in Arundel, West Sussex.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Butcombe Trail Ultra
ENGMendip Activity Centre, Mendips
Running event in Mendip Activity Centre, Mendips.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Chiltern Ridge Classic 50K
ENGBerkhamsted to Wendover
Running event in Berkhamsted to Wendover.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
SheUltra™
WALAbersoch to Pwllheli, North Wales
Running event in Abersoch to Pwllheli, North Wales.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Ultra X Spring Trail Series
ENGMidhurst, West Sussex
Running event in Midhurst, West Sussex.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Windsor 50 Ultra Challenge
ENGWindsor
Running event in Windsor.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Isle of Wight Challenge
ENGChale, Isle of Wight
Isle of Wight Challenge — a verified UTMB Index race for the 2026 edition.
Date listed · latest organiser confirmation not yet checked.
Ultra X Scotland
SCOInverness, Highlands
Ultra X Scotland in Inverness.
Date listed · latest organiser confirmation not yet checked.
Moray Coastal Trail Races
SCOFindhorn, Moray
Moray Coastal Trail Races — 50mi, 50K at Findhorn or Lossiemouth to Cullen on the Moray Coast Trail.
Date listed · latest organiser confirmation not yet checked.
Holy Trail Running Festival
ENGOulton Broad, Suffolk
Holy Trail Running Festival in Oulton Broad.
Date listed · latest organiser confirmation not yet checked.
Five Rivers Ultra
ENGBlaxhall / Trimley, Suffolk
Five Rivers Ultra in Blaxhall / Trimley.
Date listed · latest organiser confirmation not yet checked.
Lake District Ultra Challenge
ENGKendal, Cumbria
Lake District Ultra Challenge in Kendal.
Date listed · latest organiser confirmation not yet checked.
Centurion South Downs Way 50K
ENGWinchester, Hampshire
Centurion South Downs Way 50K in Winchester.
Date listed · latest organiser confirmation not yet checked.
Race to the King
ENGWest Dean, West Sussex
Race to the King — a verified UTMB Index race for the 2026 edition.
Date listed · latest organiser confirmation not yet checked.
North Yorks Ultra Challenge
ENGScarborough, North Yorkshire
North Yorks Ultra Challenge in Scarborough.
Date listed · latest organiser confirmation not yet checked.
Race archive
Past races and previous editions
Looking back at a race? Browse the guides below for recorded editions. This section also includes events awaiting a new date and cancelled editions. Previous editions of races in the upcoming calendar are available through their race guides above.
Heights Ultra Trail
ENGWest Yorkshire, North of England
Heights Ultra Trail — Broad Oak Cricket Club, Linthwaite, West Yorkshire. Listed on runABC (North of England).
Next date not listed
Race guide and recorded editions →Thunder Races
ENGBedford, Bedfordshire
Thunder Races — a verified UTMB Index race for the 2026 edition.
Next date not listed
Race guide and recorded editions →UK Ultra Dark Downs
ENGPlumpton, East Sussex
Night trail races from Plumpton Racecourse in the South Downs.
Next date not listed
Race guide and recorded editions →Browse states, counties and areas
Choosing a race in United Kingdom
The unfiltered upcoming calendar includes events in Abergavenny (1), Abersoch to Pwllheli, North Wales (1), Arundel, West Sussex (1). Use the town filter to compare locations, then check the race guide for the start venue and organiser’s travel information.
Questions about 50k events in United Kingdom
What should I check before a running event in United Kingdom?
Choose your distance, then check the route, elevation, cut-off time and entry conditions in the organiser’s race guide.
Which trail 50k events are coming up in the United Kingdom?
Black Beacon Mountain Races is listed for 31 October 2026 (status to be confirmed). Five Trails 50K & Three Trails Half Marathon is listed for 14 November 2026. The Copthorne Races is listed for 21 November 2026. Check the race guide and organiser’s latest information before making plans.
Where can I find race entry details for the United Kingdom?
Follow the link from the race guide to the organiser or entry provider, where one is available. Check the entry deadline, eligibility and current availability there. A listed race date does not necessarily mean entries are still open.
Why has a race moved out of the upcoming calendar?
Once its listed dates have passed, a race moves to the past-editions view unless another upcoming edition is recorded. Cancelled events also leave the upcoming list. The race guide stays available, and the event returns when a new date is added.