Blended's Backyard Ultra
Distance: Unlimited
Elevation: 120M
Location: Chilton Manor Farm, Hampshire
Date: Sat, 5th Jun 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 ViewBack Yard Ultra
Back Yard Ultra
Suffolk Back Yard Ultra
Distance: Unlimited
Elevation: 28M
Location: High Lodge, Thetford, Suffolk
Date: Sat, 5th Jun 2027
50 KM
Maverick Peak District 50K
Distance: 55KM
Elevation: 1,214M
Location: Bakewell, Derbyshire
Date: Sat, 5th Jun 2027
100 Miles
Hardmoors 110
Distance: 110 Miles
Elevation: 5,000M
Location: Filey, North Yorkshire
Date: Sat, 5th Jun 2027
50 KM
Three Castles 50k
Distance: 50KM
Elevation: 264M
Location: Rochester, Kent
Date: Sat, 5th Jun 2027
50 KM
Beyond London 55K
Distance: 55KM
Elevation: 575M
Location: Woolwich, London
Date: Sat, 5th Jun 2027
50 KM
Glen Lyon Ultra Marathon
Distance: 50KM
Elevation: 1,066M
Location: Glen Lyon Dam, Scotland
Date: Sat, 5th Jun 2027
100 Miles
Jurassic Extinction 105 Miles
Distance: 105 Miles
Elevation: 5,100M
Location: South Haven Point, Poole
Date: Sat, 5th Jun 2027
100 KM
Jurassic Coast 100k
Distance: 100KM
Elevation: 2,900M
Location: Nothe Fort, Weymouth
Date: Sat, 5th Jun 2027
50 Miles
Jurassic Coast 70K Ultra
Distance: 70KM
Elevation: 2,200M
Location: South Haven Point, Poole
Date: Sat, 5th Jun 2027
100 Miles
The Round 100
Distance: 103 Miles
Elevation: 1,465M
Location: Beacon Hill Country Park, Leicestershire
Date: Sat, 5th Jun 2027
50 Miles
Classic Quarter Ultra
Distance: 44 Miles
Elevation: 1,685M
Location: Lizard Point, Cornwall
Date: Sat, 5th Jun 2027
50 KM
Jurassic Coast 50k
Distance: 50KM
Elevation: 1,730M
Location: Lyme Regis, Dorset
Date: Sun, 6th Jun 2027
Back Yard Ultra
Breakheart Backyard Ultra
Distance: Unlimited
Elevation: 170M
Location: Cotswold, Gloucestershire
Date: Fri, 11th Jun 2027
Back Yard Ultra
Manchester Backyard Ultra
Distance: Unlimited
Elevation: 68M
Location: Manchester
Date: Sat, 12th Jun 2027
50 Miles
Montane Summer Spine Sprint South
Distance: 46 Miles
Elevation: 2,017M
Location: Edale, Derbyshire
Date: Sat, 12th Jun 2027
100 Miles
Centurion South Downs Way 100
Distance: 100 Mile
Elevation: 3,800M
Location: Winchester, Hampshire
Date: Sat, 12th Jun 2027
50 KM
Centurion South Downs Way 50km
Distance: 50KM
Elevation: 1,200M
Location: Winchester, Hampshire
Date: Sat, 12th Jun 2027
100 KM
London 100k
Distance: 100k
Elevation: -
Location: Queen Mother Sports Centre, London
Date: Sat, 12th Jun 2027
50 Miles
Montane Summer Spine Sprint North
Distance: 43 Miles
Elevation: 1,759M
Location: Brown Rigg
Date: Tue, 15th Jun 2027
50 Miles
Ultra Wales 50
Distance: 51 Miles
Elevation: 2,898M
Location: Coed-Y-Brenin
Date: Sat, 19th Jun 2027
Back Yard Ultra
Longbridge 100 Summer
Distance: Unlimited
Elevation: 189M
Location: Litlington, East Sussex
Date: Sat, 19th Jun 2027
100 KM
Race To The King
Distance: 100KM
Elevation: 1,510M
Location: West Dean, West Sussex
Date: Sat, 19th Jun 2027
Multi Day
Montane Summer Spine
Distance: 268 Miles
Elevation: 10,732M
Location: Edale, Derbyshire
Date: Sat, 19th Jun 2027
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