Ultra marathons are any run longer than a marathon (26.2 miles or 42.2 km) - the most common distances are 50K, 100K and 100 miles. Despite this, distance is not always the key challenge with ultra runs - the total ascent gives a much better indication of how hard it will be. Select a specific distance, your location for ultra runs in your area or scroll down to browse events.
Featured events are listed below - select a month/region or the map view to see all events.
Walk, jog or run along the spectacular UNESCO World Heritage coastline from Corfe Castle past Lulworth Cove and Durdle Door, with full support, welcoming base camp and finish line celebration!
Conquer a challenge fit for royalty through the heart of Sussex in this epic ultramarathon along the South Downs Way and Monarch’s Way. Choose from two unique 50km loops – or tackle both in a 100km!
Conquer Britain's oldest trail, the ancient Ridgeway, at the UK's biggest ultramarathon as you race towards the 5000-year-old Avebury Standing Stones. Back for the 12th Year Running!
A trail ultra that is flat and fast and perfect for a PB and also brilliant for a first-timer or the runner who wants to do their own pace plus bespoke medal and finish line treats.
A new and unique concept where you turn up ready to conquer an Ultra but if you feel like going easy, run a cool 1-3 loops instead! Ideal for testing out fuelling techniques & kit.
In 2023 we had St George's, in 2024 we had St Patrick's so why not come along to St David's Day Challenge with a one-off medal that you will want to add to your collection?
Take on a 6-lap course through the stunning South Yorkshire Park country park of Rabbit Ings and reach the finish to hang your finisher's medal around your neck with pride.
Fast, flat, PB-grabbing ultra on traffic-free trails and the canal towpath with a bespoke medal and treats at the finish line. First-time ultra runners welcome.
Fast, flat, PB-grabbing event on good trail and canal towpath with a bespoke medal and treats at the finish line.
Enjoy a trip up the Leeds and Liverpool Canal this spring over a range of distances, all along the flat and even towpath. This event is perfect for runners of all abilities.
A new and unique concept where you turn up ready to conquer an Ultra but if you feel like going easy, run a cool 1-3 loops instead! Ideal for testing out fuelling techniques & kit.
A great opener to the full Ultra Challenge season! From the racecourse basecamp 2000 adventurers will head out on looped routes with fantastic panoramic views of the city and surrounding countryside.
Join Zig Zag Running at the beautiful Haughley Park for the Haughley Festival of Running and join like-minded runners tackling more than marathon distance on paths and trails.
Make it an active Easter on a challenge from Windsor Racecourse on looped routes through the Great Park with fantastic views of the castle, to Runnymede along the Thames Path.
This event gives participants the opportunity to take in a runnable, beautiful route which follows the North Walian coastline between Prestatyn and Bangor.
This event gives participants the opportunity to take in a runnable, beautiful route which follows the North Walian coastline between Prestatyn and Bangor.
On the same day as the London Marathon, why not come along to The "Other" Run? Complete the distance of your choice over 26.2 miles up to the 7-hour cut off and earn a Zig Zag medal too.
A new and unique concept where you turn up ready to conquer an Ultra but if you feel like going easy, run a cool 1-3 loops instead! Ideal for testing out fuelling techniques & kit.
4.167 miles on the hour, every hour, until the there is only one left standing. Have you got what it takes for just one more loop?
Great challenges need great settings, and up to 2,000 adventurers will take on the Isle of Wight stunning coastal path – all out to push themselves further.
Great challenges need great settings, and up to 2,000 adventurers will take on the Isle of Wight stunning coastal path – all out to push themselves further.
The full 106km circumnavigation of the Isle of Wight, in daylight hours. Overnight at Cowes for a well-earned rest on this wonderful exploration of the coastal routes around the island.
Great challenges need great settings, and up to 2,000 adventurers will take on the Isle of Wight stunning coastal path – all out to push themselves further.
Great challenges need great settings, and up to 2,000 adventurers will take on the Isle of Wight stunning coastal path – all out to push themselves further.
Great challenges need great settings, and up to 2,000 adventurers will take on the Isle of Wight stunning coastal path – all out to push themselves further.
Scenic mixed-terrain route around Bewl Water on undulating rural wooded trails and quiet country lanes. The marathon on the same day was previously rated one of the top UK marathons.
The finish line is unique to you: 24 hours after the mass start, the race shall stop and the Solo Runners and Teams furthest South on the National Trail, shall be declared winners.
58km of beautiful trail, with ups and downs giving over 1600m of ascent on a gorgeous coastal route which visits some of the highlights of the Jurassic Coast.
A demanding challenge, taking on 100km along the UNESCO World Heritage Jurassic Coast, starting from Corfe Castle on a fully-supported challenge visiting the highlights of the region.
Walk, jog or run along the spectacular UNESCO World Heritage coastline from Corfe Castle past Lulworth Cove and Durdle Door, with full support, welcoming base camp and finish line celebration!
The route is 3/4 of the Full Challenge – so starts at the Corfe Castle main start, takes in the fantastic 2nd 1/4 Challenge route to Weymouth, and then on to West Bay and the finish line at Bridport.
A marathon distance challenge departing from Weymouth, visiting Chesil Beach and the West Dorset Heritage Coast en route to the finish line at Bridport.
The ultra is graded ‘very hard’ and one to get into your ultra running calendar if you’re looking for UTMB index runs where you can bag points. Includes Full Weekend Festival Ticket in the price!
A varied 56km challenge, initially following the path of the River Thames, before exploring the North Downs en route to the finish at Turners Hill and a huge celebration!
Leafy Richmond to sunny Brighton – over the North Downs and the South Downs, with some wonderful Surrey and Sussex countryside in between, fully supported all the way with a huge celebratory finish!
Leafy Richmond to sunny Brighton, over the North and South Downs, with some wonderful Surrey and Sussex countryside - all in daylight hours and with a good nights' sleep mid-way!
Can you survive Farmmageddon? Run an ultra over a fantastic 5.3K loop through the lovely grounds of Hyde Hall Farm as part of the Farmmageddon endurance weekend.
Can you survive Farmmageddon? Run, jog or walk a fantastic 5.3K loop through the lovely grounds of Hyde Hall Farm as part of the Farmmageddon endurance weekend for 24 hours and see how far you can go.
Can you survive Farmmageddon? Held over 32-hours, runners will cover the fantastic 5.3K loop through the lovely grounds of Hyde Hall Farm and receive a t-shirt, buckle and medal to prove it!
Starting at Oaks Park then following the fantastic 2nd 1/4 Challenge route to Tulley’s Farm in Turners Hill, and then over the South Downs to the finish line at Brighton Racecourse to a celebration!
Taking in the two Munro summits of Cairn a Chlamain and Ben Dearg along with Glen Tilt and the vast forests of Blairuachdair, the Full Tilt Ultra has it all. Are you up to the challenge?
A new and unique concept where you turn up ready to conquer an Ultra but if you feel like going easy, run a cool 1-3 loops instead! Ideal for testing out fuelling techniques & kit.
100km of trails, high passes, stunning scenery, Ambleside, the magnificent Lake Windermere, nature reserves, forests and over 2,500m of ascent. Fully supported all the way with a celebratory finale!
In its fifth year! Come take on the challenge of the track at Wodson Park. Do you have it in you to complete your distance on a 400-metre athletics track?
In its fifth year! Come take on the challenge of the track at Wodson Park. Do you have it in you to complete your distance on a 400-metre athletics track?
From Kendal you'll head up the Longsleddale Valley over the Garburn Pass with stunning views, on to Windermere and Ambleside, round the west side of Lake Windermere to finish to a big welcome!
100km of trails, high passes, stunning scenery, Ambleside, the magnificent Lake Windermere, nature reserves, forests and over 2,500m of ascent. Fully supported with a good night's sleep mid-way.
A truly beautiful area of North Wales! The route uses two way-marked 15-mile linear routes either side of the river, to create a spectacular, challenging excursion in and above the valley.
From the west side of Lake Windermere on to the steep climb of Hampsfell to the flatter terrain on the Lyth Valley with some of the best views of the southern Lakes to a celebratory finale at Kendal!
An incredible 24-hour running adventure! Whether you're a total newbie or a seasoned pro, challenge yourself as a solo runner, in pairs or part of a team of up to 12 runners.
This route takes in the Valley of the Owls in Suffolk, with some of the oldest roads in England and very beautiful countryside.
Run or hike the UK's most iconic ultramarathon and conquer 70 miles in 26 hours over a fully waymarked journey through Hadrian's Wall country. Ideal first ultra.
A coastal trail ultra through the ancient village of Bosham towards Chichester Harbour with panoramic views of this AONB, to finish at the fantastic basecamp with food and bars.
Take on the full 100K Race to the King ultra marathon challenge in one go. Fully supported through day and night on a route combining castles and coastal scenery.
Head through the historic town of Arundel and witness the impressive Arundel Castle as you meander along the River Arun, across the South Downs in breathtaking surroundings.
The first half of the challenge is tough with steep ascents and descents taking you into the heart of this beautiful landscape with magnificent views out to the West.
Head into the rolling green hills of the Cotswolds with leg-testing climbs and breathtaking views on your 100km mission, with stops every 12-13km and a halfway break in Wotton, you're fully supported.
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The route is 3/4 of the full challenge – so starts at Painswick, takes in the fantastic 2nd 1/4 Challenge route to Wotton, and then on through the Cotswolds to the finish line at Cirencester basecamp.
A start at Wotton and then some fantastic Cotswold scenery in the heart of this beautiful landscape, on the way back to the very welcome finish line celebration back at Cirencester basecamp.
Start and finish from the idyllic Bakewell basecamp for a few steep ascents and descents taking you into the heart of this beautiful and varied landscape to return for a finish line celebration!
Take on the full 100km in a figure-of-eight route through the north and south of the Peak District with stops every 12-13km and whatever support you need to get you to the finish line celebration!
Take on the full 100km in a figure-of-eight route through the north and south of the Peak District in daylight with a good night's rest and full support to get you to the finish line celebration!
A new and unique concept where you turn up ready to conquer an Ultra but if you feel like going easy, run a cool 1-3 loops instead! Ideal for testing out fuelling techniques & kit.
Take on a mighty ultra adventure through the stunning Peak District with regular stops and whatever support you need to get you to the finish line celebration! You can even cover it in two days.
Starting out from the idyllic Bakewell basecamp, trek through some fantastic southern Peaks scenery on the way back to the very welcome finish line and celebration!
The original Snowdonia Ultra Marathon. A beautiful route boasting stunning views, a hearty ascent of Yr Wyddfa (Snowdon) and a thrilling 7km descent to a heroes' welcome at the finish line!
Join a mid-summer North Downs 50 Challenge! This looped route is set in an area of outstanding natural beauty of the Surrey Hills, taking in chalk ridges and ancient woodlands.
Starting in Lewknor, this event presents a varied and scenic route steeped in history. Crossing England’s longest river at the halfway mark, the course finishes at the iconic Lattin Down basecamp.
Take on the full 100K ultramarathon in one go. Fully supported through day and night on an incredibly scenic and historic route to finish at the 5000-year-old Avebury standing stones.
Take on the full 100K Race to the Stones ultramarathon with an overnight stop at the all-inclusive Basecamp, meaning a good nights' sleep in between the 50K stints.
Take on the full Race to the Stones 100K ultramarathon over two days, making your own arrangements for overnight accommodation at the halfway point (ideal if you'd prefer not to camp).
Yr Wyddfa (Snowdon) is the highest mountain in England and Wales. Your challenge is to ascend and descend as many times as possible in 24 hours - solo or as a relay team.
Sticking to higher ground, you'll pass through a surprisingly isolated stretch of southern England and enjoy dramatic views before finishing with the full 100K at the awesome Avebury Standing Stones.
A new Ultra Challenge for this year, set on the stunning Gower Peninsula – the UK’s first Area of Outstanding Natural Beauty and famous for its golden beaches.
A new Ultra Challenge for this year, set on the stunning Gower Peninsula – the UK’s first Area of Outstanding Natural Beauty and famous for its golden beaches.
A new Ultra Challenge for this year, set on the stunning Gower Peninsula – the UK’s first Area of Outstanding Natural Beauty and famous for its golden beaches.
A new Ultra Challenge for this year, set on the stunning Gower Peninsula – the UK’s first Area of Outstanding Natural Beauty and famous for its golden beaches.
A new Ultra Challenge for this year, set on the stunning Gower Peninsula – the UK’s first Area of Outstanding Natural Beauty and famous for its golden beaches.
10 running events in 10 days in the beautiful Suffolk countryside! Run 5K, 10K, Half Marathon, Marathon or an Ultra every day for 10 days in this unique endurance challenge!
A new and unique concept where you turn up ready to conquer an Ultra but if you feel like going easy, run a cool 1-3 loops instead! Ideal for testing out fuelling techniques & kit.
The full distance option of the South West Coast 50 Challenge from basecamp next to Dunster Castle, along the South West Coastal Path to a picnic in Exmoor National Park, finishing back at Minehead.
A major event in the East Anglian running calendar, attracting a large field of runners of all abilities to the winter residence of The Royal Family, to run a 24-hour race around the estate.
Starting alongside those taking on the full route, runners and walkers alike will feel the buzz of the startline before running past all four of the route's ruined abbeys to finish at Jedburgh.
Visiting the heartland of the Scottish Borders, runners and walkers will take to the Borders Abbey Way to complete the full waymarked loop as individuals, teams or a relay of four.
A new and unique concept where you turn up ready to conquer an Ultra but if you feel like going easy, run a cool 1-3 loops instead! Ideal for testing out fuelling techniques & kit.
Your race, your pace, your distance! Ultra runners will explore The Clover Route which is on road and receive a special bespoke medal too.
A stunning ultra trail race taking in the South West Coast Path on a fully-marked route with chip timing and medals for all plus an uplifting festival vibe!
The full distance option of the South Coast Challenge from sunny Eastbourne, over the magnificent Seven Sisters, onto Cuckmere Haven and over the South Downs all the way to historic Arundel.
The full distance option of the South Coast Challenge over 2 days with 57km on day 1 and 43km on day 2, meaning you experience the route in daylight with the chance to sleep overnight.
The first half option of the South Coast Challenge from Eastbourne to the coastline, over the Seven Sisters to Cuckemere Haven, over the South Downs to finish via Brighton's promenade.
The second half option of the South Coast Challenge is a scenic ‘marathon plus’ adventure across the South Downs towards Arundel.
The full, non-stop option of the Thames Path Challenge from leafy South West London following the river to Hampton Court, Runnymede to finish at Henley-on-Thames for a celebratory finish and BBQ.
The full distance option of the Thames Path Challenge over 2 days with 50km on day 1 and 50km on day 2, meaning you experience the route in daylight with the chance to sleep overnight.
The first half option of the Thames Path Challenge from leafy South West London on the River Thames along the river to Hampton Court to finish at Runnymede for a big celebration finish and hot meal.
Scenic mixed-terrain route around Bewl Water on undulating rural wooded trails and quiet country lanes. The marathon course was previously rated one of the top UK marathons.
Start this epic Challenge in near Hampton Court. This route follows the meandering waterway to Runnymede, for a big celebration finish and hot meal at Henley on Thames.
The second half option of the Thames Path Challenge from Runnymede along the meandering river through Cookham to Henley-on-Thames, home of the regatta, to a celebration finish and family BBQ.
Your race, your pace, your distance! Utilising the Gallops route at the amazing Suffolk Running Centre which takes you through to Newmarket so you may get to see the race horses in training!
Celebrating the unique valleys of the Lake District which are part of the UNESCO World Heritage Site status, by linking them together with spectacular trail and ultra routes for you to enjoy!
Celebrating the unique valleys of the Lake District which are part of the UNESCO World Heritage Site status, by linking them together with spectacular trail and ultra routes for you to enjoy!
Take on 100 historic miles across the beautiful Southern Upland Way - one of the greatest trails in the UK. Ultrarunners will tackle several ascents, pass through forests, valleys and by lochs.
Take on 50 historic miles across the beautiful Southern Upland Way - one of the greatest trails in the UK. Ultrarunners will tackle several ascents, pass through forests, valleys and by lochs.
Guides, tips and advice on running an ultra marathon.
Introducing the 13 Valleys Ultra plus the event's shorter distance options, helping you to push your limits and get involved!
To celebrate Global Running Day, we're rounding the best unsung marathons, half marathons and more in the UK!
Take on an epic endurance challenge with one of the most popular ultra runs in the UK, from traditional fell runs to the UTMB World Series!
Ultra marathons are some of the greatest tests of endurance on the planet and yield unforgettable experiences - if you're well prepared.
Select your location for ultra marathons in your area.