Ultra-Trail Snowdonia 100K
Distance: 104KM
Elevation: 6,500M
Location: Llanberis
Date: Sat, 15th May 2027
UK ULTRA MARATHON CALENDAR
Welcome to the definitive guide for ultramarathon events across the UK in 2026 - 2027! Whether you're a seasoned ultra-runner looking for your next epic challenge or an aspiring athlete ready to tackle your first long-distance race, you've come to the right place.
With more than 120 of the top UK ultra running events listed, this comprehensive ultra marathon calendar makes it easy to discover races across England, Scotland, and Wales. From gruelling 100 mile challenges through national parks to scenic 50km routes along coastal paths, I've curated a diverse selection to help you find the perfect event!
249 events found
Map View100 KM
50 KM
Ultra-Trail Snowdonia 50K
Distance: 56KM
Elevation: 3,400M
Location: Llanberis
Date: Sat, 15th May 2027
50 KM
Maverick Cotswolds 50K
Distance: 51KM
Elevation: 1,383M
Location: Sudeley Castle, Gloucestershire
Date: Sat, 15th May 2027
50 Miles
Kendal to Preston Ultra 50
Distance: 50 Miles
Elevation: 457M
Location: Sedgwick, Kendal
Date: Sat, 15th May 2027
50 Miles
Centurion North Downs 50
Distance: 50 Miles
Elevation: 1,700M
Location: Farnham, Surrey
Date: Sat, 15th May 2027
50 Miles
Cateran Trail Ultramarathon
Distance: 55 Miles
Elevation: 2,300M
Location: Spittal of Glenshee, Scotland
Date: Sat, 15th May 2027
50 KM
Trent Valley 50K Ultra
Distance: 50K
Elevation: 164M
Location: Cromwell, Nottinghamshire
Date: Sat, 15th May 2027
50 KM
Ripon Stinger Ultra
Distance: 56KM
Elevation: 1,053M
Location: Ripon, North Yorkshire
Date: Sat, 15th May 2027
50 KM
BC50K Ultra
Distance: 50KM
Elevation: 1,524M
Location: Bishops Castle, Shropshire
Date: Sat, 15th May 2027
Back Yard Ultra
Red On Backyard Ultra
Distance: Unlimited
Elevation: -
Location: Cheltenhem Racecourse
Date: Fri, 21st May 2027
Featured Event
Back Yard Ultra
Yellow Belly Backyard Ultra
Distance: Unlimited
Elevation: -
Location: Louth, Lincolnshire
Date: Sat, 22nd May 2027
Back Yard Ultra
Mackyard x 4ZERO Ultra
Distance: Unlimited
Elevation: -
Location: Gatesgarth Farm, Buttermere
Date: Sat, 22nd May 2027
50 KM
The Fox 62K
Distance: 62K
Elevation: 756M
Location: Godalming, Surrey
Date: Sat, 22nd May 2027
Featured Event
Multi Day
Cape To Glen 214 Miles
Distance: 214 Miles
Elevation: -
Location: Keodale, Scotland
Date: Sun, 23rd May 2027
100 KM
South Downs 100k
Distance: 100KM
Elevation: 2,407M
Location: Helen Gardens, Eastbourne
Date: Sat, 29th May 2027
50 KM
South Downs 50K
Distance: 50KM
Elevation: 1,097M
Location: Falmer, East Sussex
Date: Sat, 29th May 2027
Back Yard Ultra
God’s Own Backyard Ultra
Distance: Unlimited
Elevation: 90M
Location: Hawksworth, Leeds
Date: Sat, 29th May 2027
100 KM
The Priory 100K
Distance: 100KM
Elevation: 731M
Location: Bamburgh Castle
Date: Sat, 29th May 2027
PWR Endure
Distance: Unlimited
Elevation: 98M
Location: Tockington Manor, Britstol
Date: Sat, 29th May 2027
Multi Day
Grand Union Canal 145
Distance: 145 Miles
Elevation: 500M
Location: Birmingham
Date: Sat, 29th May 2027
Back Yard Ultra
DNF x FCF Backyard Ultra
Distance: Unlimited
Elevation: -
Location: Far Coley Farm, Stafford
Date: Fri, 4th Jun 2027
50 Miles
Ultra Scotland 50
Distance: 56 Miles
Elevation: 2,447M
Location: St Johns
Date: Sat, 5th Jun 2027
100 Miles
Ultra Scotland 100
Distance: 104 Miles
Elevation: 4,611M
Location: St Johns
Date: Sat, 5th Jun 2027
50 KM
The Llangollen 50k
Distance: 49KM
Elevation: 1,657M
Location: Llangollen, Wales
Date: Sat, 5th Jun 2027
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