Ultra Marathons Found
View all ↓Ultra Marathons
For when the standard 26.2 mile Marathon is just not far enough. Ultra runs (any run over marathon distance) are experiencing a huge growth in popularity in the UK.
From small, locally organised Ultra Marathons, to some of the best known events Find a Race event calendar lists over 100 ultras every year all over the UK. So check out the comprehensive list of races in our 2026 - 2027 Ultramarathon calendar below: and hit the “Refine” button to tailor your search.
If you're looking for something different why not check out our Running Holidays page which lists international running trips and breaks.
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Ultramarathon Calendar 2026 - 2027
Race to Remember
Portsmouth, HampshireRose of The Shires ULTRA and The Rosebud Marathon
Brixworth Country Park, Northampton Road, Brixworth, NN6 9DGThe Pendine Sands Races
Carmarthen, CarmarthenshireThe Hardwick Hobble – Winter 2026: Day 2
Chesterfield, DerbyshireBath & Bristol Railway Races; 50km, Marathon, 25km, Half, 10km & 2km Fun Run
Bath, AvonHaughley Festival of Running - 5K,10K, HALF MARATHON, FULL MARATHON & ULTRA-MARATHON
Haughley Park, IP30 9RSThe Rasselbock Run – Spring 2027 - Day One
Mansfield, NottinghamshireUltra X Spring Trail Series (110km, 50 miler, 50km, 25km and 12km)
Midhurst, West SussexThe Rasselbock Run – Spring 2027 - Day Two
Mansfield, NottinghamshirePHOENIX West Sussex - NOT London Marathon
Crawley, West SussexPhoenix Manchester Not the London or Manchester Marathon Run
Manchester, LancashireBluebell Bash at Temple Newsam- NOT LONDON
Temple Newsam House, Temple Newsam Road, Leeds, LS15 0AEThe Other Run - 5k, 10k, Half, Full and Ultra marathon
Suffolk Running Centre, Church Road, Bury St Edmunds, IP29 5AXPHOENIX - NOT the London Marathon Run 2027
Walton-on-Thames, SurreyMHU - Malvern Hills Ultra
Worcester, WorcestershireThe Maverick Exmoor X-Trail 2027
Lynton, DevonMTC MizMal ®
Skibbereen, County CorkMTC POOKA
Skibbereen, County CorkNational Forest Way Ultra 75
Alrewas showground, Daisy Lane, Burton-on-Trent, DE13 7DPMTC Leprechaun
Bantry, County CorkRun Rabbit Trail Festival
Deene Park, Deene, Corby NN17 3EGMTC MACHA
Killarney, County KerryShires and Spires
Naseby Village Hall, Haselbech Road, Northampton, NN6 6DEZig Zag Marathon and Half
Suffolk Running Centre, Church Road, Bury St Edmunds, IP29 5AXMTC Shamrock
Listowel, County KerryMTC BANSHEE
Limerick, County LimerickMTC DULLAHAN
Ennis, County ClareMTC ENBARR
Galway, County ClareMTC Oilliphéist
Galway, County GalwayMTC Gancanagh
Clifden, County GalwayMTC Abhartach
Westport, County MayoThe Birthday Run - 5k,10k, Half Marathon, Full Marathon & Ultra-Marathon
Brandon Country Park, Bury Road, Brandon, Suffolk, IP27 0SUMTC BALOR
Plano, CollinMTC CARMAN
Freetown, WesternMTC Bodach
Villa Rosa, PilarMTC AIBELL
Lifford, County DonegalThe Maverick Cotswolds Trail 2027
Cheltenham, Winchcombe, GloucestershireRACE THE TIDE
Plymouth, DevonThe Grim Reaper - 10, 40, 70, 100-miles
Bourne, LincolnshireGoring Gap Trails Festival
Reading, OxfordshireCircuit Du Sore Legs
Wodson Park Sports Centre, Ware, Herts, SG12 0UQUltramarathon race FAQs
Is 50K considered an ultramarathon?
Is 50K considered an ultramarathon?
A 50K is an ultramarathon because it goes beyond the marathon distance of 26.2 miles. It measures 31.1 miles, making it the shortest standard ultra and a common next step for marathon runners. The extra five miles shouldn’t be underestimated, though. You’re likely to spend longer fuelling and may also encounter rougher ground than you would in a road marathon. If you’re not quite ready for that jump, another event from the marathon calendar will give you more time to develop your stamina and race-day experience.
What is the toughest ultramarathon in the UK?
What is the toughest ultramarathon in the UK?
The Montane Winter Spine, Dragon’s Back Race and Arc of Attrition are all serious contenders for the title. The Spine covers roughly 268 miles of the Pennine Way in winter, so cold and sleep deprivation become part of the challenge. Dragon’s Back crosses the Welsh mountains over several days. Arc of Attrition is shorter, but its steep Cornish coast paths are difficult underfoot, and the weather can turn quickly.
There isn’t a clear winner because each race tests runners differently. Whichever sort of challenge appeals to you, there’ll be another step towards it on Find a Race, including plenty of trail runs that don’t begin at the extreme end.
How much does it cost to enter an ultramarathon?
How much does it cost to enter an ultramarathon?
A single-day UK ultramarathon will usually cost somewhere around £40 to £120, with some small timed events coming in below that range. Multi-day and overseas races are much more expensive. Once an entry covers things such as overnight stays or transfers between stages, the price can rise to several hundred pounds and occasionally into four figures. Take a close look at what you’re paying for, as checkpoint supplies or baggage transport may be included at one race but charged separately at another.
Are ultramarathons difficult, and are there flat ones?
Are ultramarathons difficult, and are there flat ones?
Every ultramarathon is difficult, although that difficulty doesn’t always come from mountains. Some races follow level roads or canal towpaths, leaving you to deal mainly with the distance and the hours spent moving. Others head onto steep trails where climbing and uneven ground slow everything down. A flatter route will probably make more sense for your first ultra. Even then, repeated laps can become mentally draining, and an exposed towpath may feel very different once the weather turns.
How much do ultramarathon runners run each week?
How much do ultramarathon runners run each week?
For a first 50K, a runner might gradually reach around 30 miles a week. An experienced athlete training for 100 miles could cover 50 miles or more, although neither figure is a rule you have to follow. Your available time and previous mileage will shape what’s realistic, and you’ll need enough recovery between the longer sessions. It’s useful to understand the commitment before entering, even if your own training looks slightly different. If you’re only starting that build now, a race from the Spring ultramarathon calendar or later will give you more breathing room.
What time do ultramarathons start, and why are they so early?
What time do ultramarathons start, and why are they so early?
Many ultramarathons begin between 6 am and 9 am, giving runners a useful stretch of daylight before the course cut-offs come into play. Long point-to-point races tend to set off earliest because even the quickest competitors may be outside for most of the day. Timed and multi-lap events aren’t always as early and might not get underway until mid-morning. There are overnight races as well, so don’t assume every ultra follows the usual dawn timetable.
Do runners sleep during ultramarathons?
Do runners sleep during ultramarathons?
Most runners won’t sleep during a 50K or another ultra that finishes within a day. Once a race reaches 100 miles, 24 hours or several days, brief naps become much more common. Runners might stop at an aid station for 15 or 20 minutes, while somebody moving more quickly may decide that sleeping would cost too much time. There’s no universal approach; it depends on how long you’ll be racing and how your body handles a full night on the move.
What do ultramarathon runners eat during a race?
What do ultramarathon runners eat during a race?
Ultramarathon runners need regular carbohydrates, but that doesn’t mean relying entirely on gels. Sports drinks and sweets are convenient early in the race, while savoury food may become more appealing after several hours of sweet flavours in later stages of an event. Try your planned food during long training sessions first. That way, you’ll know what sits comfortably in your stomach before race day rather than discovering a problem halfway around the course. Aid stations differ from one event to another, and certain races expect you to carry nearly everything yourself.