50K races
The first ultra distance most people run, at around 50 km. A long day rather than an overnight one.
141 races
November 2026
9 races7
Nov
2026
CTS Gower
Oxwich Bay, Swansea · Endurancelife
Oxwich Bay, and the Gower coast the hard way.
HARD TO VERY HARD
Entries open
14
Nov
2026
Winter Weavers' Way Ultras
Great Yarmouth, Norfolk · Boghopper Races
Fifty or a hundred kilometres of the Weavers' Way in November, Great Yarmouth to Cromer Pier.
Entries open
14
Nov
2026
Wharfedale Skyline
Otley, West Yorkshire · Punk Panther
Otley to the high ground above Wharfedale, by way of Yeadon Tarn.
HARD TO VERY HARD
Entries open
14
Nov
2026
Wooler Trail Marathon
Wooler Hostel (YHA), 30 Cheviot Street, Wooler · Trail Outlaws
28.5-mile November hill marathon through the Cheviots from Wooler
EXPERT
Not open yet
14
Nov
2026
Winter Wirral Ultra
Ellesmere Port, Cheshire · Charm Bracelet Trail Events
Their flattest ultra — thirty-six circular miles with barely 250 metres of climb.
VERY HARD
Entries open
15
Nov
2026
Tweed Valley Ultra
Glentress Peel Visitor Centre, near Peebles · High Terrain Events
Sixty-seven or fifty kilometres of forest track, singletrack and heather moor out of Glentress, with the option to drop to the fifty on the day.
VERY HARD TO EXPERT
Entries open
21
Nov
2026
Peak District South & North
Edale, Derbyshire · Ranger Ultras
Fifty kilometres on the Saturday, forty-three on the Sunday, or both across one weekend.
Entries open
21
Nov
2026
North Chilterns 50K
Offley, Hertfordshire · Runaway Racing
Fifty kilometres through the northern Chilterns in November, starting near Offley.
VERY HARD
Entries open
21
Nov
2026
The Kendal Mountain Trail Runs
Kendal, Cumbria · Maverick Race
Kendal Mountain Festival — 50km, 25km and a 10km that is really 11.8.
Entries open
December 2026
4 races5
Dec
2026
CTS Dorset
Swanage, Dorset · Endurancelife
The Jurassic Coast from Swanage. Graded Extreme.
HARD TO VERY HARD
Entries open
6
Dec
2026
New Forest Xmas Trails
Holmesly Campsite, Forest Rd, Burley, Christchurch · BigFeat Events
December single-lap New Forest trail races: 15km, 30km, marathon and 50km
Not open yet
£36–£70
12
Dec
2026
Christmas Cracker
Otley, West Yorkshire · Punk Panther
A December loop out of Otley over Norwood Edge and the Washburn.
HARD TO VERY HARD
Entries open
27
Dec
2026
Midwinter Mortimer Trail
Chapter66 cafe, Ludlow Castle, Ludlow · Andali Events
Self-navigated Mortimer Trail from Ludlow to Kington: 30 mile ultra or 17 miles
Not open yet
£40–£60
January 2027
11 races2
Jan
2027
Green Gateways
Otley, West Yorkshire · Punk Panther
New Year's trail marathon through the green spaces north of Leeds.
HARD TO VERY HARD
Entries open
9
Jan
2027
CTS North Cornwall
Polzeath, Cornwall · Endurancelife
Polzeath and the north Cornish cliffs.
HARD TO EXPERT
Entries open
9
Jan
2027
Hardmoors 30
Robin Hood's Bay, North Yorkshire · Hardmoors
Robin Hood's Bay to Scarborough on cliff path and cinder track.
VERY HARD
Not open yet
9
Jan
2027
Leeds Country Way Winter Ultra South
Miners Welfare Hall, 56 Main St, Garforth, Leeds · Great Owl Running
Self-navigated 59km winter ultra on the Leeds Country Way, Garforth-Greengates
Not open yet
£50
16
Jan
2027
Winter Canal Canter
Leeds & Liverpool Canal, Wyther Lane, Kirkstall, Leeds · It's Grim Up North Running
January on the Leeds & Liverpool towpath at Kirkstall: 10k to ultra on a flat out-and-back, laps of it for the longer distances.
Entries open
£29–£43
16
Jan
2027
BigBeyond Trails (Aether)
Queen Elizabeth Country Park, Gravel Hill, Horndean · BigFeat Events
New January night race on the South Downs Way from QECP, 12 miles to 50km
Not open yet
£38–£70
17
Jan
2027
Winter Tanners
Leatherhead, Surrey · LDWA Surrey
The forty-eighth Tanners: thirty or twenty miles of the Surrey Hills from Leatherhead on a route that is new every January, with minimal support and all back by seven.
Entries open
£10–£33
23
Jan
2027
CTS South Devon
Beesands, Devon · Endurancelife
Beesands and the South West Coast Path.
HARD TO EXPERT
Entries open
24
Jan
2027
Arc 50K
Harlyn Bay, Cornwall · Arc of Attrition by UTMB
Harlyn Bay south to Perranporth, fifty kilometres of coast path.
VERY HARD
Entries open
30
Jan
2027
Pagan Trails
Chagford Cricket and Football Club, Chagford · OuterEdge Events
Midwinter marathon and half on north-east Dartmoor from Chagford
VERY HARD
Not open yet
31
Jan
2027
Wilmot Wander
27th Derby Scout Group HQ, Meadow Lane, Chaddesden, Derby · 27th Derby Scouts
Thirty-two miles round Derby from the scout headquarters at Chaddesden: field paths, parkland, canal towpath and some proper hills, five checkpoints, through the last one at Swarkestone by six. Teams or individuals, 200 places.
Not open yet
£20
February 2027
6 races6
Feb
2027
Harrogate Hustle
Harrogate, North Yorkshire · Punk Panther
A wide loop of the spa town on good country paths. The kindest way into ultra distance in Yorkshire.
HARD TO VERY HARD
Entries open
6
Feb
2027
Skipton Sweetie Skedaddle
Craven Leisure Centre, Gargrave Road, Skipton · It's Grim Up North Running
The Leeds & Liverpool towpath out of Skipton, flat and fast, 10k to ultra with a six-and-a-half-hour cut-off and sweets, chocolate and cake at the finish. Road shoes suggested.
Entries open
£29–£43
7
Feb
2027
Saltburn Trail Races
Saltburn-by-the-Sea, North Yorkshire · Hardmoors
Cliff tops north from Saltburn. Marathon, half or short.
MODERATE TO VERY HARD
Not open yet
14
Feb
2027
Surrey Loops
Tilford Village Hall, Surrey · LDWA Surrey
Three different ten-mile loops from Tilford village hall, so ten, twenty or thirty miles of Surrey heath and woodland, all back by half six. First running.
Entries open
£13–£36
20
Feb
2027
CTS Northumberland
Bamburgh, Northumberland · Endurancelife
Sand and dunes from Bamburgh — their flattest round.
MODERATE TO VERY HARD
Entries open
21
Feb
2027
BigMud Trails (Earth)
Queen Elizabeth Country Park, Gravel Hill, Horndean · BigFeat Events
Muddy February South Downs race from QECP that climbs Butser Hill twice
Not open yet
£44–£68
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