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.
Filter by location
Ultramarathon Calendar 2026 - 2027
TrailFest - Holdenby House
Holdenby House, NorthamptonLone Wolf South West 2026
Exeter, DevonRace to Remember
Portsmouth, HampshirePhoenix West Sussex - Secret Squirrel
Crawley, West SussexThe Halloween 7in7
Ross-on-Wye, HerefordshireAmong The Pines Backyard Ultra
Gisburn Forest and Stocks - Forestry England Slaidburn BB7 4TSRunning Tribe Races
Course 1,2,3 are at - Chalfont Park Sports Club Chalfont Park, SL9 0QA. Course 4,5,6,12 are at - Chalfont St. Peter Community Centre , SL9 9QX. Course - 7,8 are at - Amersham Cricket Club, Missenden Rd, Old Amersham, Bucks, HP7 0RN Course - 9 is at - Sarratt Village Hall, The Green, Sarratt,,Nr Rickmansworth, Herts WD3 6AS Course - 10,11 are at - Chesham & District Community Association, White Hill Centre, White Hill, Chesham, Bucks, HP5 1AG.Wight Lines
Hurst Rd, Milford on Sea, Lymington SO41 0PYHalloween Runificent Run
Winchester, HampshireThe Horrorwood Halloween Run
The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SUHalloween Run
Northampton Active, Bedford Rd, Northampton NN4 7AAPhoenix Manchester Hoofs, Horns and Paws Charity Run
Manchester, LancashireChiltern Ridge Winter 50K
Berkhamsted, HertfordshirePHOENIX SOUTH WALES - ZOMBIE RUN
Pontypridd, Mid GlamorganSpooky Challenge Day 1
Bridestow, DevonPHOENIX Cambridgeshire Halloween Run
St Neots, CambridgeshireReason To Treason - Northampton
Northampton Active, Bedford Rd, Northampton NN4 7AASpooky Challenge Day 2
Bridestow, DevonPHOENIX - Lancaster Bomber Run
Walton-on-Thames, SurreyRace to Remember
Portsmouth, HampshireRemembrance Run
Lincoln Road, Skellingthorpe, Lincoln LN6 5UUPHOENIX - Lest We Forget
Walton-on-Thames, SurreyBeacons Ultra, Marathon & Half Marathon
Brecon, PowysRemembrance Run 2026 - South
The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SUPhoenix Running Manchester Wings of Remembrance 2026
Oldham, LancashireRemembrance Run 2026 - North East
Durham Amateur Rowing Club, Green Ln, Old Elvet, Durham, DH1 3JURemembrance Run: 5k,10k, Half Marathon, Full Marathon & ultra-marathon
Ferry Meadows, Ham Lane, Peterborough, PE2 5UUPhoenix West Sussex - Firework Flash
Horsham, West SussexPhoenix Manchester Friday Frolic
Manchester, LancashirePHOENIX - Wild Goose Chase
Walton-on-Thames, SurreyPhoenix South Wales - Lest We Forget 2026
Cardiff, South GlamorganRhino Run-Nottingham
Trentside N, West Bridgford, Nottingham NG2 5FAUltra X Morocco (110km, 50km)
OuarzazateAutumn Feisty Phoenix Day 1
Winchester, HampshireRhino Run - Nottingham
Trentside N, West Bridgford, Nottingham NG2 5FAPHOENIX - Chicken Run
Walton-on-Thames, SurreyJelly Runners
Exeter, DevonAutumn Feisty Phoenix Day 2
Winchester, HampshirePHOENIX Cambridgeshire Elements Series Earth
Huntingdon, CambridgeshireThe Smurf Run
The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SUDESERT ULTRA MARATHON
PHOENIX - Runbelievable - Road Runner - Day 1
Gravesend, KentDormouse Challenge
Salcey ForestUltramarathon 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.