Beast of the Blacks 40 Miler
Distance: 40 Miles
Elevation: 3,385M
Location: Longtown, Hereford
Date: Sat, 6th Mar 2027
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Discover UK ultramarathons for 2026 - 2027. Find your challenge and hit the trails!
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!
229 events found
Map View50 Miles
Distance: 40 Miles
Elevation: 3,385M
Location: Longtown, Hereford
Date: Sat, 6th Mar 2027
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50 KM
Distance: 55KM
Elevation: 1,292M
Location: Otley, West Yorkshire
Date: Sat, 13th Mar 2027
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50 Miles
Distance: 50.3 Miles
Elevation: 1,828M
Location: Otley, West Yorkshire
Date: Sat, 13th Mar 2027
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50 KM
Distance: 50KM
Elevation: 363M
Location: Harrold, Bedford
Date: Sat, 13th Mar 2027
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50 KM
Distance: 50KM
Elevation: 1,020M
Location: Welshpool, Wales
Date: Sun, 14th Mar 2027
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50 Miles
Distance: 55 Miles
Elevation: 2,300M
Location: Guisborough, North Yorkshire
Date: Sat, 20th Mar 2027
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50 KM
Distance: 50KM
Elevation: 1,200M
Location: Henley-On-Thames, Oxfordshire
Date: Sat, 20th Mar 2027
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50 Miles
Distance: 50 Miles
Elevation: 123M
Location: Manchester
Date: Fri, 26th Mar 2027
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Back Yard Ultra
Distance: Unlimited
Elevation: 63M
Location: Sherwood Pines, Nottinghamshire
Date: Sat, 27th Mar 2027
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50 KM
Distance: 50KM
Elevation: 1,327M
Location: Trenchford Reservoir, Devon
Date: Sat, 27th Mar 2027
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Featured Event
100 Miles
Distance: 100 Miles
Elevation: 2,438M
Location: Swallow. Lincolnshire
Date: Sat, 27th Mar 2027
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50 KM
Distance: 50KM
Elevation: 958M
Location: Arundel, West Sussex
Date: Sat, 3rd Apr 2027
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Multi Day
Distance: 295KM
Elevation: 6,500M
Location: St Bees, Cumbria
Date: Sat, 3rd Apr 2027
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50 KM
Distance: 53KM
Elevation: 2,647M
Location: Keswick School, Keswick
Date: Sat, 10th Apr 2027
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Back Yard Ultra
Distance: Unlimited
Elevation: 8M
Location: Deal, Kent
Date: Sat, 10th Apr 2027
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50 Miles
Distance: 50 Miles
Elevation: 1,750M
Location: Worthing, West Sussex
Date: Sat, 10th Apr 2027
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50 Miles
Distance: 54 Miles
Elevation: 706M
Location: Brixworth, Northampton
Date: Sat, 10th Apr 2027
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Back Yard Ultra
Distance: Unlimited
Elevation: 60M
Location: Morpeth, Northumberland
Date: Sat, 10th Apr 2027
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50 KM
Distance: 55KM
Elevation: 1,265M
Location: Skipton, North Yorkshire
Date: Sat, 10th Apr 2027
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Multi Day
Distance: 200 Miles
Elevation: 9,144M
Location: Chepstow, Wales
Date: Wed, 14th Apr 2027
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100 Miles
Distance: 102 Miles
Elevation: 849M
Location: Chester
Date: Sat, 17th Apr 2027
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50 KM
Distance: 51KM
Elevation: 996M
Location: Berkhamsted Castle, Hertfordshire
Date: Sat, 17th Apr 2027
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100 KM
Distance: 110KM
Elevation: 1,563M
Location: Midhurst, West Sussex
Date: Sat, 17th Apr 2027
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50 Miles
Distance: 50 Miles
Elevation: 1,362M
Location: Midhurst, West Sussex
Date: Sat, 17th Apr 2027
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Browse and discover ultra marathon races across all distances, terrains and elevation. Whether you're building up to your first ultra or adding another 100 miler to your calendar, the listings are here to help you find the perfect event.
Sort by distance, climb or location to easily find races that fit your training plan and travel preferences. With new ultra marathons added weekly, there’s always another challenge on the horizon.
Don’t just run – go the distance. Find your next ultra now.
An ultramarathon is any running event that exceeds the traditional marathon distance of 26.2 miles (42.195 kilometres). Common formats include 50k, 100k, 50 miles, 100 miles, and multi-day endurance events.
GB Ultra Runner allows you to filter events by location, distance category, elevation and organiser. You can browse events by country, including ultramarathons in Scotland, England and Wales, or use the ultramarathon map to find races near you.
I aim to keep the event listings fresh by updating the site frequently, usually on a weekly basis. This includes adding new races, updating details and removing any cancelled or outdated ultras.
Yes, definitely! If you’re a race organiser or know of an ultra that’s not on the list, you’re welcome to submit it. I manually review every submission to ensure it meets the criteria and provides accurate information. Click here for details on how to list your ultra event.
Nope, this is a passion project and my aim is to create a super user-friendly resource for all things ultra running …free of charge!
This filter helps you choose events based on total elevation gain. Some races follow flatter terrain, while others involve steep mountain climbs. I categorise events so you can find ones that match your training and experience level.
Training for an ultra requires gradual progression, good kit choices and smart fuelling. While I don’t offer coaching, I am in the process of putting together some ultramarathon training plans to help new commers get started. Over the coming months I'll also be posting some running gear reviews so keep and eye out for that too.
The best way to find an ultra marathon in the UK is to use a dedicated ultra marathon finder that allows you to filter by distance (50k, 100k, 100 miles+), terrain, and location. At GB Ultra Runner, we provide a comprehensive, human-verified directory of races across England, Scotland, and Wales. Simply use our search tool at the top of this page to filter by month or region to find your next challenge.
While there are several options available, the best ultra finder is one that offers more than just a list. GB Ultra Runner is widely considered one of the UK’s leading resource because we offer an integrated ecosystem for ultra-runners:
Browse the ultra runners' kit list for all your essential gear.
Explore ultra kit List
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